Bearing Catalog · SKF China

Ball bearing

Genuine SKF bearings and 500+ partner brands — engineered for high-load, high-speed, and extreme-environment industrial applications. ISO 9001 / TS 16949 certified.

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Showing 37–48 of 151 products
High Precision Stainless Steel Deep Groove Ball Bearing S6903ZZ for Low-Noise Applications Ball bearing

High Precision Stainless Steel Deep Groove Ball Bearing S6903ZZ for Low-Noise Applications

Eliminate unexpected downtime in precision motion systems—this S6903ZZ bearing delivers consistent low-noise performance even under variable loads and thermal cycling, critical for wind turbine pitch control and predictive maintenance deployments. Stainless steel construction (AISI 440C rings + ceramic-coated cages) ensures corrosion resistance without sacrificing dimensional stability—unlike standard 440C bearings, it maintains ABEC-7 tolerance after repeated thermal shock 17×30×7mm deep groove geometry with optimized raceway curvature reduces high-frequency vibration by up to 32% vs. generic S6903ZZ stainless steel bearings Pre-lubricated with SKF LGMT 2 grease and double-shielded (ZZ) for sealed-for-life operation—no re-greasing needed in inaccessible installations Fully compatible with SKF mounting dimensions and load ratings, backed by our in-house bearing engineers for application validation

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Thrust Ball Bearing 51103 for Motorcycle Engines – High-Precision, Grease-Lubricated Ball bearing

Thrust Ball Bearing 51103 for Motorcycle Engines – High-Precision, Grease-Lubricated

Stop engine thrust wear before it costs you downtime or warranty claims — this thrust ball bearing 51103 bearing delivers precision axial load control exactly where motorcycle crankshafts demand it. Built to P5 tolerance (not just P0), it eliminates micro-movement under high-RPM shock loads — a silent killer of clutch alignment and gear engagement in performance engines. Exact 17×30×9 mm dimensions with non-aligning, separated design — critical for proper stack-up in OEM transmission assemblies Pre-lubricated with high-stability grease (no oil bleed risk at 120°C+ clutch heat) OEM/ODM supported with full traceability — ISO 9001:2008 certified production batch records available on request In stock now with same-day dispatch from Shanghai — no waiting for European lead times when your assembly line is scheduled

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6709 Deep Groove Ball Bearing – High Precision for Auto Parts Applications Ball bearing

6709 Deep Groove Ball Bearing – High Precision for Auto Parts Applications

Trust your high-precision automotive assemblies to a bearing that delivers consistent rotational accuracy—even under variable loads and thermal cycling. The 6709 deep groove ball bearing is engineered for OEM-grade reliability in steering columns, transmission synchronizers, and electric powertrain components where micrometer-level runout control matters. Exact 45×55×6 mm dimensions with ABEC-7 tolerance class—critical for interference-fit applications without compromising cage clearance OEM/ODM supported with full traceability, backed by ISO 9001:2008 certified production (not just documentation) Pre-lubricated with high-temperature lithium complex grease—no field relubing needed before installation Shipped in rigid, anti-static packaging (7.5×7.5×2.6 cm) protecting radial play integrity during global transit

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Thrust Ball Bearings 51103/51203/51104 for Automotive Applications Ball bearing

Thrust Ball Bearings 51103/51203/51104 for Automotive Applications

Engineers designing high-speed automotive driveline systems get precise axial load control and extended service life—without compromising on thermal stability or assembly tolerance. Our thrust ball bearing, automotive bearing series (51103/51203/51104) is engineered for OEM-grade reliability in tight packaging envelopes where misalignment sensitivity and cage integrity under rapid acceleration are critical. Single-row, separated design enables easy mounting and axial preload adjustment—essential for transmission synchronizer hubs Available in P0–P2 precision grades with Z1V1–Z3V3 vibration classes to match NVH targets in premium vehicle platforms 17×30×9 mm bore-OD-width dimensions conform to ISO 104 standard, ensuring drop-in compatibility with existing SKF 51103 bearing layouts In-stock now with dedicated technical support from our ISO 9001 & TS 16949–certified engineering team—no waiting for custom lead times on high-speed thrust bearing for cars

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Thrust Ball Bearings 51109–51411 for High-Load Industrial Applications Ball bearing

Thrust Ball Bearings 51109–51411 for High-Load Industrial Applications

Stop unplanned downtime in high-load rotating equipment — these thrust ball bearing models deliver consistent axial load capacity under sustained shock loads, especially where misalignment or thermal expansion would compromise standard designs. Built for real-world industrial stress, not just catalog specs. Single-row, non-aligning, separated construction — enables faster maintenance swaps without disturbing adjacent components Precision grades up to P2 and vibration classes to Z3V3 ensure smooth operation in wind turbine yaw systems and steel mill roller tables Lubrication-ready for both grease and oil — critical for mining equipment operating in dust-heavy, temperature-variable environments Full 51405–51411 range in stock, including the high-capacity 51409 thrust bearing with 25×60×24 mm dimensions and hardened bearing steel raceways

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6220 2RS Deep Groove Ball Bearing – High-Speed Radial Load Support Ball bearing

6220 2RS Deep Groove Ball Bearing – High-Speed Radial Load Support

Keep wind turbines spinning longer and industrial gearboxes running smoother — even under sustained high-speed loads and temperature swings. The 6220 2RS deep groove ball bearing delivers exceptional radial load capacity with minimal friction, thanks to its optimized internal geometry and P5 precision raceways that reduce micro-motion wear before it starts. Sealed with dual rubber contact shields (2RS) for reliable grease retention and contaminant exclusion — critical where re-lubrication access is limited 100 × 180 × 34 mm dimensions meet ISO 15:2011 standards, ensuring drop-in compatibility across OEM wind turbine main shaft supports and steel mill drive trains Groove curvature optimized for high-speed stability — avoids skidding at >3,200 rpm under moderate preload, a known failure trigger in gearbox applications Pre-lubricated with SKF LGMT 2 synthetic grease — extends service life by up to 2.3× vs. standard mineral oils in continuous-duty cycles

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High-Quality Thrust Ball Bearing 51101/51110 for Mechanical Applications Ball bearing

High-Quality Thrust Ball Bearing 51101/51110 for Mechanical Applications

Reduce unplanned downtime in high-load applications—this thrust ball bearing delivers consistent axial load support even under fluctuating thermal and mechanical stress, exactly where wind turbine pitch systems and steel mill roll stands demand zero compromise. Available in precision grades P0 through P2—critical for maintaining rotor alignment stability in multi-MW turbines Z2V2 low-vibration rating ensures smooth operation at 1,200+ rpm without resonance buildup in continuous-duty mills Separated design allows quick replacement of washer and cage assemblies—no full disassembly needed during maintenance windows In-stock now with ISO 9001:2008 certified traceability and genuine bearing steel (not reprocessed scrap)

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High-Load Thrust Ball Bearing 51426 for Wind Turbines & Mining Equipment Ball bearing

High-Load Thrust Ball Bearing 51426 for Wind Turbines & Mining Equipment

Stop unplanned downtime in wind turbines and mining gearboxes — the 51426 thrust ball bearing delivers proven high-load axial capacity where conventional bearings fatigue fast. Built for extreme cyclic loads and misalignment-induced edge stresses, it’s engineered to outlast standard replacements without compromising precision. Dimensions 130×270×110 mm — matches OEM mounting while enabling direct SKF 51426 replacement with no retrofitting P0–P2 precision grades and Z1V1–Z3V3 vibration control ensure smooth operation at critical speeds above 850 rpm Separated, non-aligning design allows rapid on-site inspection and grease replenishment — no full disassembly needed In stock and ready to ship globally from Shanghai, backed by ISO 9001-certified quality control and application support from SKF-certified engineers

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High Precision Stainless Steel Deep Groove Ball Bearing S6908 for Wind Turbine Applications Ball bearing

High Precision Stainless Steel Deep Groove Ball Bearing S6908 for Wind Turbine Applications

Extend turbine uptime and slash unplanned maintenance with the High Precision Stainless Steel Deep Groove Ball Bearing S6908 — engineered for relentless operation in offshore and high-humidity wind farms where corrosion resistance and dimensional stability can’t be compromised. Stainless steel construction (AISI 440C rings + ceramic-coated cages) eliminates rust-induced micro-pitting — a leading cause of premature failure in coastal installations Exact 40×62×12mm metric dimensions with ≤0.5μm raceway roughness ensure drop-in compatibility with existing SKF S6908 replacement for wind power applications Pre-lubricated with NLGI #2 synthetic grease rated to ISO VG 68, formulated for -30°C to +120°C ambient swings without leakage or stiffening Unseparated single-row design maintains radial stiffness under dynamic yaw loads while allowing rapid field replacement

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High-Load Thrust Ball Bearings 51230–51236 for Wind Turbines & Mining Ball bearing

High-Load Thrust Ball Bearings 51230–51236 for Wind Turbines & Mining

Stop unplanned downtime in wind turbine pitch systems and mining conveyor drives — these high-load thrust ball bearings deliver consistent axial load capacity even under shock loads and thermal cycling. Built to SKF engineering standards (though branded BDL for OEM flexibility), they’re rigorously ISO 9001:2008 certified and stocked in precision grades up to P2 — critical when your application demands ≤0.5μm axial runout tolerance. Models 51230–51236 cover bore diameters 150–180 mm, all with non-aligning, separated construction for fast maintenance in confined gearbox housings Lubrication-ready for grease or oil — no re-greasing intervals needed in sealed wind turbine nacelles Single-row thrust design with 50 mm height (e.g., 150×215×50 mm) ensures optimal load distribution without over-constraining adjacent components OEM/ODM support includes custom cage materials and vibration class upgrades (Z2V2/Z3V3) for high-speed rotor applications

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NTN 6019-N Deep Groove Ball Bearing – Low-Noise for Automotive Applications Ball bearing

NTN 6019-N Deep Groove Ball Bearing – Low-Noise for Automotive Applications

Eliminate high-frequency whine and vibration in EV motor systems—without compromising torque density or thermal stability. The NTN 6019-N deep groove ball bearing delivers certified low-noise performance (≤28 dB at 1800 rpm, A-weighted) precisely where automotive OEMs and Tier-1 drivetrain engineers need it most. Radial load capacity optimized for 95×145×24 mm envelope—maintains full dynamic rating even with ABEC-7 raceway geometry and Z1V1 vibration class Genuine NTN bearing steel (SUJ2 equivalent), hardened to 60–62 HRC with controlled retained austenite (

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Stainless Steel Deep Groove Ball Bearing SF63800ZZ for High-Precision Industrial Applications Ball bearing

Stainless Steel Deep Groove Ball Bearing SF63800ZZ for High-Precision Industrial Applications

Extend bearing life and cut unplanned downtime in harsh, high-load environments — especially where corrosion, thermal cycling, or contamination threaten reliability. This stainless steel deep groove ball bearing SF63800ZZ delivers true SKF-compatible performance with full 304 stainless construction (not just rust-resistant plating), making it ideal for wind turbine pitch systems, mining conveyors, and washdown-intensive steel mill applications. True radial load stability thanks to its precisely ground 60×110×65.1 mm raceway geometry — critical for maintaining preload integrity under dynamic misalignment Unseparated, single-row design ensures rapid installation without risking cage distortion during press-fit assembly Pre-lubricated with food-grade synthetic grease — no initial relubrication needed, reducing commissioning time by up to 40% Built to ISO 9001/TS 16949 standards and validated for >15,000 hr L10 life at 2,200 rpm in continuous duty

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