LOGO
Inquiry
Silicon Carbide Sleeve Bearing – Inner Diameter 30mm
Custom Silicon Carbide Thrust Bearing for Chemical Pumps
Reaction-Bonded Silicon Carbide Bearing – Polished Finish
Silicon Carbide Bearings

Thermo-Stable Silicon Carbide Bearing for Continuous-Duty Machinery

Engineered for demanding thermal, chemical, and mechanical environments, Silicon Carbide Bearing delivers stable operating behavior through its unique combination of high hardness, thermal stability, and corrosion resistance, enabling long-duration service in precision and heavy-duty industrial systems.

Catalogue No. AT-SIC-ZC684CE
Material SSiC / RBSiC Silicon Carbide
Hardness (HV) HV2300–2700 for sustained abrasion resistance
OThermal Stability Operates reliably up to 1300°C with low structural change
Thermal Expansion 4.0–4.5×10⁻⁶/K for stable clearance under rapid cycling
24H Standard Dispatch
Small Batch Support OEM
Factory Direct
Expert Engineering Support
Quick Quote Now

ADCERAX® Silicon Carbide Bearing is engineered for operating conditions where temperature fluctuations, corrosive media, and continuous high-speed rotation place sustained demands on stability and material integrity. Its microstructure, built on dense SiC grains with low thermal expansion and high thermal conductivity, supports consistent mechanical behavior across extended cycles in chemical processing, high-temperature machinery, and precision motion systems.

Performance Characteristics of Silicon Carbide Bearing

  • Hardness HV2300–2700 ensures low abrasion even under continuous particle-rich operation. It preserves bearing geometry during extended cycling.
  • Elastic modulus ~410 GPa limits deformation under radial and axial loads. High stiffness maintains predictable contact patterns at varying speeds.
  • Porosity <1% supports consistent load transfer across the SiC lattice. Dense microstructure prevents crack initiation during high-frequency vibration.
  • Operating stability up to 1300°C prevents softening or microstructural collapse in furnace and metallurgical systems. Material phase stability remains constant.
  • Thermal conductivity 80–120 W/m·K dissipates frictional heat efficiently. Heat removal lowers localized surface stress.
  • Thermal expansion 4.0–4.5×10⁻⁶/K limits clearance variation during operation. Minimal expansion protects against jamming in tight-tolerance housings.
  • Compatibility with strong acids and alkalis (H₂SO₄, HCl, NaOH) prevents structural loss during continuous exposure. Chemical resistance protects contact surfaces.
  • Oxidation resistance >1400°C maintains surface integrity in oxidizing atmospheres. Stable oxide films reduce reaction-driven degradation.
  • Wear rate significantly lower than steel under slurry conditions as demonstrated in multiple tribology studies. Reduced abrasion maintains long-term rolling quality.

Technical Specifications of Silicon Carbide Bearing

Designed for demanding thermal, mechanical, and chemical environments, Silicon Carbide Bearing exhibits stable structural behavior and predictable performance characteristics derived from its dense microstructure, high hardness, and resistance to thermal and chemical degradation.

Material Composition ≥98% SiC (SSiC) / Si-infiltrated SiC (RBSiC)
Density 3.10–3.20 g/cm³
Hardness HV2300–2700
Flexural Strength 350–450 MPa (SSiC up to ~500 MPa)
Elastic Modulus ~410 GPa
Thermal Conductivity 80–120 W/m·K
Thermal Expansion Coefficient 4.0–4.5×10⁻⁶/K
Maximum Operating Temperature 1300°C (short excursion up to 1400°C)
Oxidation Resistance Threshold >1400°C
Chemical Resistance Stable in H₂SO₄, HCl, NaOH, chloride media, organic solvents
Porosity <1% closed porosity
Wear Performance Much lower abrasion rate than steel in slurry media

Dimensions of Silicon Carbide Bearing

sic bearing size

Silicon Carbide Bearing
Item NO. Product Size r (Min) Install Size
d（Inner Dia) D（Outer Dia） B（Height） da (Min) Max Max Max
AT-SIC-ZC684CE 4 9 2.5 0.1 4.8 / 8.2 0.1
AT-SIC-ZC694CE 4 11 4 0.15 5.2 / 9.8 0.15
AT-SIC-ZC604CE 4 12 4 0.2 5.6 / 10.4 0.2
AT-SIC-ZC624CE 4 13 5 0.2 5.6 / 11.4 0.2
AT-SIC-ZC634CE 4 16 5 0.3 6 / 14 0.3
AT-SIC-ZC685CE 5 11 3 0.15 6.2 / 9.8 0.15
AT-SIC-ZC695CE 5 13 4 0.2 6.6 / 11.4 0.2
AT-SIC-ZC605CE 5 14 5 0.2 6.6 / 12.4 0.2
AT-SIC-ZC625CE 5 16 5 0.3 7 / 14 0.3
AT-SIC-ZC635CE 5 19 6 0.3 7 / 17 0.3
AT-SIC-ZC686CE 6 13 3.5 0.15 7.2 / 11.8 0.15
AT-SIC-ZC696CE 7 15 5 0.2 7.6 / 13.4 0.2
AT-SIC-ZC606CE 8 17 6 0.3 8 / 15 0.3
AT-SIC-ZC626CE 9 19 6 0.3 8 / 17 0.3
AT-SIC-ZC636CE 10 22 7 0.3 8 / 20 0.3
AT-SIC-ZC687CE 7 14 3.5 0.15 8.2 / 12.8 0.15
AT-SIC-ZC697CE 7 17 5 0.3 9 / 15 0.3
AT-SIC-ZC607CE 7 19 6 0.3 9 / 17 0.3
AT-SIC-ZC627CE 7 22 7 0.3 9 / 20 0.3
AT-SIC-ZC637CE 7 26 9 0.3 9 / 24 0.3
AT-SIC-ZC688CE 8 16 4 0.2 9.6 / 14.4 0.2
AT-SIC-ZC698CE 8 19 6 0.3 10 / 17 0.3
AT-SIC-ZC608CE 8 22 7 0.3 10 / 20 0.3
AT-SIC-ZC628CE 8 24 8 0.3 10 / 22 0.3
AT-SIC-ZC638CE 8 28 9 0.3 10 / 26 0.3
AT-SIC-ZC689CE 9 17 4 0.2 10.6 / 15.4 0.2
AT-SIC-ZC699CE 9 20 6 0.3 11 / 18 0.3
AT-SIC-ZC609CE 9 24 7 0.3 11 / 22 0.3
AT-SIC-ZC629CE 9 26 8 0.3 11 / 24 0.3
AT-SIC-ZC639CE 9 30 10 0.6 13 / 26 0.6
AT-SIC-ZC6800CE 10 19 5 0.3 12 12 17 0.3
AT-SIC-ZC6900CE 10 22 6 0.3 12 12.5 20 0.3
AT-SIC-ZC6000CE 10 26 8 0.3 12 13 24 0.3
AT-SIC-ZC6200CE 10 30 9 0.6 14 16 26 0.6
AT-SIC-ZC6300CE 10 35 11 0.6 14 16.5 31 0.6
AT-SIC-ZC6801CE 12 21 5 0.3 14 14 19 0.3
AT-SIC-ZC6901CE 12 24 6 0.3 14 14.5 22 0.3
AT-SIC-ZC16001CE 12 28 7 0.3 14 / 26 0.3
AT-SIC-ZC6001CE 12 28 8 0.3 14 15.5 26 0.3
AT-SIC-ZC6201CE 12 32 10 0.6 16 17 28 0.6
AT-SIC-ZC6301CE 12 37 12 1 17 18 32 1
AT-SIC-ZC6802CE 15 24 5 0.3 17 17 22 0.3
AT-SIC-ZC6902CE 15 28 7 0.3 17 17 26 0.3
AT-SIC-ZC16002CE 15 32 8 0.3 17 / 30 0.3
AT-SIC-ZC6002CE 15 32 9 0.3 17 19 30 0.3
AT-SIC-ZC6202CE 15 35 11 0.6 19 20.5 31 0.3
AT-SIC-ZC6302CE 15 42 13 1 20 22.5 37 1
AT-SIC-ZC6803CE 17 26 5 0.3 19 19 24 0.3
AT-SIC-ZC6903CE 17 30 7 0.3 19 19.5 28 0.3
AT-SIC-ZC16003CE 17 35 8 0.3 19 / 33 0.3
AT-SIC-ZC6003CE 17 35 10 0.3 19 21.5 33 0.3
AT-SIC-ZC6203CE 17 40 12 0.6 21 23.5 36 0.6
AT-SIC-ZC6303CE 17 47 14 1 22 25.5 42 1
AT-SIC-ZC6403CE 17 62 17 1.1 23.5 / 55.5 1
AT-SIC-ZC6804CE 20 32 7 0.3 22 22.5 30 0.3
AT-SIC-ZC6904CE 20 37 9 0.3 22 24 35 0.3
AT-SIC-ZC16004CE 20 42 8 0.3 22 / 40 0.3
AT-SIC-ZC6004CE 20 42 12 0.6 24 25.5 38 0.6
AT-SIC-ZC6204CE 20 47 14 1 25 26.5 42 1
AT-SIC-ZC6304CE 20 52 15 1.1 26.5 28 45.5 1
AT-SIC-ZC6404CE 20 72 19 1.1 26.5 / 65.5 1
AT-SIC-ZC6805CE 25 37 7 0.3 27 27 35 0.3
AT-SIC-ZC6905CE 25 42 9 0.3 27 28.5 40 0.3
AT-SIC-ZC16005CE 25 47 8 0.3 27 / 45 0.3
AT-SIC-ZC6005CE 25 47 12 0.6 29 30 43 0.6
AT-SIC-ZC6205CE 25 52 15 1 30 32 47 1
AT-SIC-ZC6305CE 25 62 17 1.1 31.5 36 55.5 1
AT-SIC-ZC6405CE 25 80 21 1.5 33 / 72 1.5
AT-SIC-ZC6806CE 30 42 7 0.3 32 32 50 1
AT-SIC-ZC6906CE 30 47 9 0.3 32 34 57 1
AT-SIC-ZC16006CE 30 55 9 0.3 32 42.5 65.5 1
AT-SIC-ZC6006CE 30 55 13 1 35 36.5 53 1
AT-SIC-ZC6206CE 30 62 16 1 35 38.5 60 1
AT-SIC-ZC6306CE 30 72 19 1.1 36.5 42.5 68.5 1
AT-SIC-ZC6406CE 30 90 23 1.5 54 / 82 2
AT-SIC-ZC6807CE 35 47 7 0.3 37 37 45 0.3
AT-SIC-ZC6907CE 35 55 10 0.6 39 39 51 0.6
AT-SIC-ZC16007CE 35 62 9 0.3 37 / 60 0.3
AT-SIC-ZC6007CE 35 62 14 1 40 41.5 57 1
AT-SIC-ZC6207CE 35 72 17 1.1 41.5 44.5 65.5 1
AT-SIC-ZC6307CE 35 80 21 1.5 43 47 72 1.5
AT-SIC-ZC6407CE 35 100 25 1.5 43 / 92 1.5
AT-SIC-ZC6808CE 40 52 7 0.3 42 42 50 0.3
AT-SIC-ZC6908CE 40 62 12 0.6 44 46 58 0.6
AT-SIC-ZC16008CE 40 68 9 0.3 42 / 66 0.3
AT-SIC-ZC6008CE 40 68 15 1 45 47.5 63 1
AT-SIC-ZC6208CE 40 80 18 1.1 46.5 50.5 73.5 1
AT-SIC-ZC6308CE 40 90 23 1.5 48 53 80 1.5
AT-SIC-ZC6408CE 40 110 27 2 49 / 101 2
AT-SIC-ZC6809CE 45 58 7 0.3 47 47.5 56 0.3
AT-SIC-ZC6909CE 45 68 12 0.6 49 50 64 0.6
AT-SIC-ZC16009CE 45 75 10 0.6 49 / 71 0.6
AT-SIC-ZC6009CE 45 75 16 1 50 53.5 70 1
AT-SIC-ZC6209CE 45 85 19 1.1 51.5 55.5 78.5 1
AT-SIC-ZC6309CE 45 100 25 1.5 53 61.5 92 1.5
AT-SIC-ZC6409CE 45 120 29 2 54 / 111 2
AT-SIC-ZC6810CE 50 65 7 0.3 52 52.5 63 0.3
AT-SIC-ZC6910CE 50 72 12 0.6 54 55 68 0.6
AT-SIC-ZC16010CE 50 80 10 0.6 54 / 76 0.6
AT-SIC-ZC6010CE 50 80 16 1 55 58.5 75 1
AT-SIC-ZC6210CE 50 90 20 1.1 56.5 60 83.2 1
AT-SIC-ZC6310CE 50 110 27 2 59 68 101 2
AT-SIC-ZC6410CE 50 130 31 2.1 61 / 119 2
AT-SIC-ZC6811CE 55 72 9 0.3 57 59 70 0.3
AT-SIC-ZC6911CE 55 80 13 1 60 61.5 75 1
AT-SIC-ZC16011CE 55 90 11 0.6 59 / 86 0.6
AT-SIC-ZC6011CE 55 90 18 1.1 61.5 64 83.5 1
AT-SIC-ZC6211CE 55 100 21 1.5 63 66.5 92 1.5
AT-SIC-ZC6311CE 55 120 29 2 64 72.5 111 2
AT-SIC-ZC6411CE 55 140 33 2.1 66 / 129 2
AT-SIC-ZC6812CE 60 78 10 0.3 62 64 76 0.3
AT-SIC-ZC6912CE 60 85 13 1 65 66 80 1
AT-SIC-ZC16012CE 60 95 11 0.6 64 / 91 0.6
AT-SIC-ZC6012CE 60 95 18 1.1 66.5 69 88.5 1
AT-SIC-ZC6212CE 60 110 22 1.5 68 74.5 102 1.5
AT-SIC-ZC6312CE 60 130 31 2.1 71 79 119 2
AT-SIC-ZC6412CE 60 150 35 2.1 71 139 2
AT-SIC-ZC6813CE 65 85 10 0.6 69 69 81 0.6
AT-SIC-ZC6913CE 65 90 13 1 70 71.5 85 1
AT-SIC-ZC16013CE 65 100 11 0.6 69 / 96 0.6
AT-SIC-ZC6013CE 65 100 18 1.1 71.5 73 93.5 1
AT-SIC-ZC6213CE 65 120 23 1.5 73 80 112 1.5
AT-SIC-ZC6313CE 65 140 33 2.1 76 85.5 129 2
AT-SIC-ZC6814CE 70 90 10 0.6 74 74.5 86 0.6
AT-SIC-ZC6914CE 70 100 16 1 75 77.5 95 1
AT-SIC-ZC16014CE 70 110 13 0.6 74 / 106 0.6
AT-SIC-ZC6014CE 70 110 20 1.1 76.5 80.5 103.5 1
AT-SIC-ZC6214CE 70 125 24 1.5 78 84 117 1.5
AT-SIC-ZC6314CE 70 150 35 2.1 81 92 139 2
AT-SIC-ZC6815CE 75 95 10 0.6 79 79.5 91 0.6
AT-SIC-ZC6915CE 75 105 16 1 80 82 100 1
AT-SIC-ZC16015CE 75 115 13 0.6 79 / 111 0.6
AT-SIC-ZC6015CE 75 115 20 1.1 81.5 85.5 108.5 1
AT-SIC-ZC6215CE 75 130 25 1.5 83 90 122 1.5
AT-SIC-ZC6816CE 80 100 10 0.6 84 84.5 96 0.6
AT-SIC-ZC6916CE 80 110 16 1 85 87.5 105 1
AT-SIC-ZC16016CE 80 125 14 0.6 84 / 121 0.6
AT-SIC-ZC6016CE 80 125 22 1.1 86.5 91 118.5 1
AT-SIC-ZC6216CE 80 140 26 2 89 95.5 131 2
AT-SIC-ZC6817CE 85 110 13 1 90 90.5 105 1
AT-SIC-ZC6917CE 85 120 18 1.1 91.5 94.5 113.5 1
AT-SIC-ZC16017CE 85 130 14 0.6 89 / 126 0.6
AT-SIC-ZC6017CE 85 130 22 1.1 91.5 96 123.5 1
AT-SIC-ZC6217CE 85 150 28 2 94 102 141 2
AT-SIC-ZC6818CE 90 115 13 1 95 95.5 110 1
AT-SIC-ZC6918CE 90 125 18 1.1 96.5 98.5 118.5 1
AT-SIC-ZC16018CE 90 140 16 1 95 / 135 1
AT-SIC-ZC6018CE 90 140 24 1.5 98 103 132 1.5
AT-SIC-ZC6819CE 95 120 13 1 100 102 115 1
AT-SIC-ZC6919CE 95 130 18 1.1 101.5 104 123.5 1
AT-SIC-ZC16019CE 95 145 16 1 100 / 140 1
AT-SIC-ZC6019CE 95 145 24 1.5 103 109 137 1.5
AT-SIC-ZC6820CE 100 125 13 1 105 106 120 1
AT-SIC-ZC6920CE 100 140 20 1.1 106.5 111 133.5 1
AT-SIC-ZC16020CE 100 150 16 1 105 / 145 1
AT-SIC-ZC6020CE 100 150 24 1.5 108 113 142 1.5
AT-SIC-ZC6821CE 105 130 13 1 110 111 125 1
AT-SIC-ZC6921CE 105 145 20 1.1 111.5 116 138.5 1
AT-SIC-ZC6822CE 110 140 16 1 115 117 135 1
AT-SIC-ZC6922CE 150 20 1.1 116.5 121 143.5 1
AT-SIC-ZC6824CE 120 150 16 1 125 127 145 1
AT-SIC-ZC6924 120 165 22 1.1
AT-SIC-ZC16024 120 180 19 1
AT-SIC-ZC6024 120 180 28 2
AT-SIC-ZC6224 120 215 40 2.1
AT-SIC-ZC6324 120 260 55 3
AT-SIC-ZC6826 130 165 18 1.1
AT-SIC-ZC6926 130 180 24 1.5
AT-SIC-ZC16026 130 200 22 1.1
AT-SIC-ZC6026 130 200 33 2
AT-SIC-ZC6226 130 230 40 3
AT-SIC-ZC6326 130 280 58 4
AT-SIC-ZC6828 140 175 18 1.1
AT-SIC-ZC6928 140 190 24 1.5
AT-SIC-ZC16028 140 210 22 1.1
AT-SIC-ZC6028 140 210 33 2
AT-SIC-ZC6228 140 250 42 3
AT-SIC-ZC6328 140 300 62 4
AT-SIC-ZC6830 150 190 20 1.1
AT-SIC-ZC6930 150 210 28 2
AT-SIC-ZC16030 150 225 24 1.1
AT-SIC-ZC6030 150 225 35 2.1
AT-SIC-ZC6230 150 270 45 3
AT-SIC-ZC6330 150 320 65 4
AT-SIC-ZC60/22 22 44 12 0.6
AT-SIC-ZC62/22 22 50 14 1
AT-SIC-ZC63/22 22 56 16 1.1
AT-SIC-ZC60/28 28 52 12 0.6
AT-SIC-ZC62/28 28 58 16 1
AT-SIC-ZC63/28 28 68 18 1.1
AT-SIC-ZC60/32 33 58 13 1
AT-SIC-ZC62/32 33 65 17 1
AT-SIC-ZC63/32 33 75 20 1.1
AT-SIC-ZC603CE 3 9 3
AT-SIC-ZC606CE 6 17 6
AT-SIC-ZCMR117 7 11 3
AT-SIC-ZCMR128 8 12 3.5
AT-SIC-ZCMR85 5 8 2.5
AT-SIC-ZCMR63-1 3 6 2.5
AT-SIC-ZCMR85-1 5 8 2
AT-SIC-ZCMR148 8 14 4
AT-SIC-ZCMR84 4 8 2
AT-SIC-ZCMR126 6 12 4
AT-SIC-ZCMR74-1 4 7 2
AT-SIC-ZCMR84-1 4 8 3
AT-SIC-ZCMR74 4 7 2.5
AT-SIC-ZCMR148 8 14 3.5
AT-SIC-ZCMR63 3 6 2
AT-SIC-ZCMR103 3 10 4
AT-SIC-ZCMR104 4 10 4
AT-SIC-ZCMR105 5 10 3
AT-SIC-ZCMR105-1 5 10 4
AT-SIC-ZCMR106 6 10 2.5
AT-SIC-ZCMR106-1 6 10 3
AT-SIC-ZCMR115 5 11 4
AT-SIC-ZCMR52 2 5 2.5
AT-SIC-ZCMR62 2 6 2.5
AT-SIC-ZCMR94 4 9 3
AT-SIC-ZCMR95 5 9 3
AT-SIC-ZCR188 6.35 12.7 4.763
AT-SIC-ZCR6 9.525 22.225 5.556

Packaging Method for Silicon Carbide Bearing

Silicon Carbide Bearing is packed through a controlled multi-layer process to protect the components from moisture, impact, and contamination during long-distance transport. Each unit is sealed in protective film, placed into reinforced inner cartons, and consolidated into export-grade outer boxes. The boxed goods are then palletized and wrapped for stability, ensuring consistent handling quality for international shipments.

ADCERAX® Packaging of Silicon Carbide Bearing

Engineering Challenges Resolved by ADCERAX® Silicon Carbide Bearing in High-Demand Industrial Systems

ADCERAX® Silicon Carbide Bearing addresses performance limitations commonly encountered in high-temperature, corrosive, and particle-rich mechanical environments where metal and oxide-based bearings show accelerated degradation. Its thermal stability, corrosion resistance, and low-expansion microstructure enable consistent operation across long duty cycles without clearance drift.

  • Silicon Carbide Bearing in Chemical Pump Circulation Loops (Acid, Alkali, Chloride Media)

    ✅Key Advantages

    1. Acid–Alkali Stability Under Continuous Cycling
    In immersion tests in strong acid and alkali media, ADCERAX® Silicon Carbide Bearing shows mass loss typically below 0.1 mg/cm² after more than 1000 hours of exposure. This performance keeps the raceway geometry stable in circulation loops where pH swings and oxidizing agents are present throughout the duty cycle.

    2. Slurry Abrasion Resistance with Suspended Solids
    In slurry conditions with hard particulate load, measured wear volume of SiC races is reduced by 50–70% compared with stainless steel bearings at comparable load and speed. This lower abrasion rate helps maintain smooth rotation even when circulation lines carry solids that intermittently disrupt lubrication films.

    3. Vibration Control in Corrosion–Erosion Environments
    Field measurements on upgraded pumps frequently show a 30–40% reduction in vibration amplitude after switching to ADCERAX® Silicon Carbide Bearing. This reduction indicates that the bearing maintains surface integrity and alignment despite combined chemical attack and erosive particle impact.

    ✅ ️Problem Solved

    A chemical plant operating mixed acid and alkali circulation loops previously experienced rapid degradation of metal bearings, with significant vibration growth within a few months of continuous operation. High chloride content and entrained solids caused both corrosion and abrasive scoring, so deterioration often outpaced planned maintenance windows and triggered unplanned pump stoppages. After adopting ADCERAX® Silicon Carbide Bearing in the critical pump stages, inspection data showed a wear depth reduction of more than 60% on loaded raceways over comparable operating hours. Vibration readings remained within predefined limits across the full maintenance interval, and circulation loops could run to scheduled shutdowns without bearing-related interruptions.

  • Silicon Carbide Bearing in High-Temperature Furnace Drive Assemblies (800–1200°C Continuous Motion)

    ✅Key Advantages

    1. High-Temperature Phase Stability Up to 1300°C
    ADCERAX® Silicon Carbide Bearing maintains its crystalline structure and mechanical strength at temperatures up to 1300°C, well above the softening range of common bearing steels. Long-duration soak tests demonstrate that dimensional change remains within <0.02 mm on critical diameters after extended high-temperature exposure.

    2. Low Creep and Minimal Runout Drift Under Long Soak
    Under continuous furnace operation, radial and axial runout of SiC-bearing-supported shafts often stays within 10–15% of initial alignment values after thousands of operating hours. This low drift contrasts with metal bearings, where thermal creep and oxidation frequently drive runout beyond acceptable limits during the same period.

    3. Resistance to Thermal Shock in Cyclic Heating Profiles
    In thermal cycling tests with temperature swings of 200–300°C per cycle, fracture and crack propagation in SiC components remain rare when stress levels stay within design limits. This resistance to thermal shock supports repeated heat-up and cool-down cycles without sudden loss of rotational integrity in furnace drive assemblies.

    ✅ ️Problem Solved

    A heat-treatment line operating multi-zone furnaces encountered recurring issues with drive assemblies as conventional steel bearings distorted and oxidized under sustained temperatures above 900°C. Operators observed growing torque fluctuations and periodic seizing events after relatively short service periods, leading to unscheduled halts for bearing replacement. After replacing the critical positions with ADCERAX® Silicon Carbide Bearing, runout measurements taken after more than 1500 hours of operation remained within the original alignment tolerance band. Thermal cycling no longer produced crack-related failures, and the furnace line was able to complete full production campaigns without high-temperature bearing incidents.

  • Silicon Carbide Bearing in Powder-Handling and Metallurgical Conveying Equipment (High Abrasion & High Load)

    ✅Key Advantages

    1. Ultra-High Hardness Against Mineral and Metal Powders
    With hardness levels in the HV2300–2700 range, ADCERAX® Silicon Carbide Bearing offers significantly greater resistance to surface scoring than through-hardened steel races. Under continuous exposure to mineral powders and metallic fines, profilometry data show surface roughness growth rates reduced by more than 50% compared with steel bearings at similar loading.

    2. Stable Torque Under Heavy Load and Particulate Exposure
    In metallurgical conveying tests, drive systems supported by SiC bearings typically exhibit torque variation within <10% of the baseline over extended operation. This stability contrasts with steel-based systems, where torque tends to rise progressively as wear scars deepen and friction increases in dusty environments.

    3. Extended Service Interval in Abrasive Conveying Lines
    Field deployments in powder-handling lines have documented service life extensions of 3–4× when ADCERAX® Silicon Carbide Bearing replaces conventional bearing sets in high-dust positions. This longer interval directly reduces the frequency of shutdowns required to inspect and change worn components in critical conveyor and feeder assemblies.

    ✅ ️Problem Solved

    A metallurgical facility operating bulk powder conveyors and rotary feeders faced persistent bearing wear due to continuous contact with abrasive dust and metal fines. Conventional bearings showed rapid roughening of raceways, leading to progressively increasing torque and sporadic stoppages to replace damaged units. After upgrading to ADCERAX® Silicon Carbide Bearing at key load-bearing locations, measured torque remained within a narrow band across multiple production cycles, and visual inspection after one full service interval revealed substantially less wear depth than previous steel sets. Maintenance teams were able to extend bearing change-out intervals by a factor of three, improving material flow continuity and reducing intervention in particulate-rich zones.

ADCERAX® Silicon Carbide Bearing User Guide for Stable, Safe, and Long-Cycle Operation

The proper use of Silicon Carbide Bearing directly influences its operational stability, lifespan, and behavior under temperature, load, and chemical exposure. This guide provides structured recommendations to help users prevent avoidable wear, ensure correct installation, and maintain consistent rotation performance in demanding industrial environments.

  • Operating Conditions and Environmental Considerations

    1. Chemical and Temperature Compatibility
    Silicon Carbide Bearing maintains stability in corrosive media, but the surrounding equipment must also be compatible with acids, alkalis, or oxidizers. Sudden changes in chemical concentration or temperature can generate local stress at the raceway interface. Maintaining steady process conditions reduces structural fatigue and ensures long-cycle operational consistency.
    2. Thermal Cycling Management
    Thermal shock can be minimized by avoiding abrupt transitions between heating and cooling phases. Even though SiC has low thermal expansion, connected components may expand differently and introduce mechanical stress. Ensuring controlled heating ramps and cooldown intervals supports stable rotation and reduced clearance drift.
    3. Particle and Slurry Exposure
    SiC resists abrasion, but system performance may still decline if excessive particulates accumulate near the bearing track. Frequent monitoring of solids concentration in circulating loops or conveying paths prevents localized wear. Maintaining stable particle flow helps preserve predictable torque and reduced vibration levels.

  • Installation Guidelines for Optimal Alignment and Load Distribution

    1. Shaft and Housing Preparation
    The shaft surface should be smooth, free of burrs, and aligned with the housing bore to avoid point loading. Surface irregularities can create stress concentrations and reduce bearing life. Preparing well-finished interfaces ensures balanced load transfer across contact zones.
    2. Controlled Press-Fit Procedures
    Excessive force during installation can damage the bearing race or distort the housing. Uniform pressure should be applied only to the appropriate ring to avoid uneven deformation. Controlled press-fit handling helps maintain initial concentricity and geometry accuracy.
    3. Load Orientation and Positioning
    Correct orientation is essential for environments with alternating axial or radial loads. Mispositioned installation increases friction and accelerates wear. Following load-specific placement maintains consistent running behavior under shifting forces.

  • Maintenance Practices for Extended Service Life

    1. Routine Vibration Monitoring
    Regular vibration checks reveal early-stage surface wear or shaft misalignment. Small deviations may escalate quickly under chemical or thermal loads. Tracking vibration allows operators to maintain stable rotational performance throughout cycles.
    2. Cleanliness Management
    Debris, corrosion by-products, or powders should be removed promptly to avoid abrasive interaction at the raceway. High-purity environments benefit from sealed enclosures to limit foreign particle ingress. Clean operation supports smooth torque output and reduced wear rates.
    3. Lubrication Assessment (When Used)
    If lubrication is applied, it must remain clean and compatible with the chemical environment. Contaminated lubricants can introduce micro-abrasion or chemical attack. Proper lubricant maintenance preserves surface smoothness under high-duty operation.

  • Storage, Handling, and Pre-Use Preparation

    1. Moisture and Contaminant Protection
    Silicon Carbide Bearing is chemically stable, but storage moisture can affect packaging materials or connected components. Sealed packaging prevents contact with airborne impurities. Proper storage ensures surface cleanliness prior to installation.
    2. Controlled Temperature Storage
    Avoid storing bearings near heat sources or in environments with rapid temperature shifts. Thermal stress during storage may impact nearby metallic components or create condensation. Stable storage temperature protects bearing condition before deployment.
    3. Safe Handling Procedures
    Dropping or striking the bearing may generate microfractures that are not immediately visible. Using padded surfaces and protective gloves reduces accidental impact risks. Safe handling maintains raceway integrity before installation.

Technical FAQs Addressing Real-World Engineering Challenges with ADCERAX® Silicon Carbide Bearing

  1. Q1: How does Silicon Carbide Bearing maintain operational stability in corrosive chemical environments?

    Silicon Carbide Bearing uses a chemically inert SiC matrix that withstands acids, alkalis, and chloride media. Its surfaces remain stable even under fluctuating pH and oxidizing agents. This prevents premature pitting or structural weakening. The result is significantly lower degradation in long-cycle chemical circulation systems.

  2. Q2: Why does Silicon Carbide Bearing perform reliably under high-temperature furnace conditions?

    The SiC crystal structure remains stable up to 1300°C, avoiding creep and softening seen in metal bearings. Its low thermal expansion preserves clearance during thermal cycling. This keeps rotational behavior consistent in furnace drive assemblies. High-temperature installations therefore experience fewer torque fluctuations and fewer unplanned shutdowns.

  3. Q3: What makes Silicon Carbide Bearing suitable for slurry and particulate-loaded systems?

    SiC’s hardness level of HV2300–2700 resists surface scoring from mineral powders and metallic fines. This reduces wear growth that normally increases torque in conveying lines. Its stable surface condition maintains predictable movement over long durations. Equipment operating in abrasive environments benefits from extended service intervals.

  4. Q4: How does Silicon Carbide Bearing reduce vibration under corrosive and abrasive loads?

    The bearing’s microstructure minimizes surface fatigue caused by chemical attack and entrained solids. Its consistent stiffness prevents distortion under fluctuating forces. This stabilizes vibration patterns during high-duty operation. Industrial pump systems gain smoother rotation and lower mechanical noise.

  5. Q5: Can Silicon Carbide Bearing operate without lubrication?

    Yes, SiC allows dry-running because its surfaces generate minimal adhesion. The material maintains low friction even when lubrication films are absent. This is beneficial in environments where lubricants contaminate process media. Vacuum, chemical, and clean-system operators benefit from reduced lubrication dependency.

Engineering Feedback on ADCERAX® Silicon Carbide Bearing from Industrial Application Teams

  • ⭐️⭐️⭐️⭐️⭐️
    Our rotating equipment division integrated Silicon Carbide Bearing into several corrosive-media pump lines, and the improvement was immediate. The bearings maintained stable rotation under continuous chemical cycling, even where previous metal units showed rapid degradation. Their performance in slurry-rich conditions has noticeably reduced maintenance stops and vibration levels.
    — Jonathan M., Process Engineering Group, Northshore Chemical Systems
  • ⭐️⭐️⭐️⭐️⭐️
    In our high-temperature furnace drives, the Silicon Carbide Bearing demonstrated exceptional dimensional stability during long-duration thermal exposure. Torque behavior remained consistent throughout a full production cycle, which had not been achievable with steel bearings in the same zones. The reduced thermal distortion has helped us maintain alignment across multiple heating programs.
    — Elena R., Materials Engineering Division, ThermoMet Industrial Technologies
  • ⭐️⭐️⭐️⭐️⭐️
    Our powder-handling equipment consistently struggled with abrasive wear until we adopted the Silicon Carbide Bearing from ADCERAX®. The bearings preserved surface integrity under particulate impact, preventing the rapid torque escalation that previously disrupted our conveying line. Their robustness has extended our service intervals far beyond earlier projections.
    — Markus W., Mechanical Systems Engineering, EuroMetal Conveyance Solutions
  • ⭐️⭐️⭐️⭐️⭐️
    The Silicon Carbide Bearing supported continuous operation in aggressive chloride environments without the corrosion fatigue issues we typically encountered. Its ability to maintain predictable performance under combined chemical and mechanical load has strengthened reliability in our circulating pump assemblies. Integration was straightforward, and operational consistency has measurably improved.
    — Sophie L., Fluid Technology Engineering Unit, Atlantic Industrial Processing Labs
Quick Quote Now
customize size

Customization Services for SiC Bearing

ADCERAX® Silicon Carbide Bearing is supported by an engineering-centered customization system designed to align material behavior, structural design, and long-cycle performance with the operational requirements of advanced industrial machinery.

Structural and Dimensional Configuration Options

It is ensured that each configuration is aligned with mechanical loading behavior and rotational stability.

  • Ring Geometry Selection
    adjusted to match rotary stability needs

  • Rolling Element Form
    chosen to optimize motion under load

  • Contact Surface Profile
    refined based on frictional performance targets

  • Interface Fit Strategy
    defined to support predictable alignment behavior

Material, Surface, and Functional Adaptations

It is verified that each adaptation supports long-cycle resistance to thermal, chemical, and particulate stresses.

  • Material System Choice
    selected according to thermal and chemical exposure

  • Surface Finish Grade
    refined to enhance raceway wear resistance

  • Lubrication Interface Design
    prepared to suit dry-run or assisted operation

  • Environmental Compatibility Adjustment
    aligned with corrosive or abrasive conditions

Start customizing today

Related Products

Not Sure Which Material Fits Your Application?

Our engineers are here to help. Upload your drawing or tell us your use case — we’ll reply within 6 hours with the best solution.
👉 Talk to Engineer

ADCERAX - Your Trusted Advanced Ceramics Manufacturing Partner

Direct factory manufacturing with comprehensive ceramic materials expertise and global supply capabilities

Direct Factory Manufacturing

China-based ceramic materials production facility with state-of-the-art equipment

Engineering Team

Experienced professionals in advanced ceramics applications and custom design

Quality Control

Strict quality control standards for technical ceramics manufacturing and quality management

Global Supply Chain

Serving customers worldwide with technical ceramics and rapid response

24/7 Technical Support

Round-the-clock support for ceramic components inquiries and technical assistance

500+ Satisfied Customers

Trusted by global customers for advanced ceramic materials and precision components

Cooperate Now

Get in touch with us

Our team will be happy to respond to you in less than 24 hours.

Adcerax's factory

Quick Quotation

*Our team will answer your inquiries within 24 hours.

*Your information will be kept strictly confidential.

Ready to Solve Your Engineering Challenge?

Partner with ADCERAX for reliable, high-performance advanced ceramic solutions. Our engineers are ready to discuss your project.

E-mail

info@adcerax.com

Phone

+(86) 0731-74427743 | WhatsApp: +(86) 19311583352

Response Time

Within 24 hours

Get a Free Project Review

About

Adcerax powers the future with precision ceramics built for innovation.

+86-0731-84428843

info@adcerax.com

Company

Quick Links

Alumina Ceramic
Zirconia Ceramic
Silicon Carbide Ceramic
Aluminium Nitride Ceramic
Boron Nitride Ceramic

Download Catalog

Advanced Ceramics Catalogue
Advanced Ceramics Catalogue

©2025 All Rights Reserved

Follow us:

Quick Quote

The more details you provide, the faster we can quote.

*We respond within 24 hours. All inquiries are confidential.

Download Catalog

Get Your Custom Sulution

The more details you provide, the faster we can respond.

customize size

*We respond within 24 hours. All inquiries are confidential.

Download Catalog