21309/21311/21312/21313/21314 Spherical Roller Bearings – High Capacity, Low Friction
Basic Info
| Inner Diameter | 100 mm |
| Outer Diameter | 215 mm |
| Width | 47 mm |
Introduction
Self-aligning roller bearing made of high-grade bearing steel. Suitable for heavy radial loads and misaligned shafts. Features grease or oil lubrication, precision ratings P0–P2, standard clearances C0/C3/C4, and OEM/ODM service. Widely used in industrial machinery and power transmission systems.
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Description
Key Features & Technical Highlights
| Description | Core Value |
|---|---|
| Spherical roller bearing, 213 series (21309–21314) | Self-aligning capability compensates for shaft misalignment up to ±1.5° — extends service life in demanding industrial setups |
| Dimensions: 100×215×47 mm (21314 model) | Precise OEM/ODM fit for mining, cement, steel mill, and power generation equipment |
| CC CA W33 design | Enhanced cage strength (CC), high-load optimized geometry (CA), and relubrication grooves + seals (W33) for continuous operation |
| Bearing steel material, P0–P2 precision grades | Consistent dimensional accuracy and surface finish — meets SKF/NTN/NSK interchange standards |
| C0/C3/C4 clearance options | Optimized thermal expansion handling under heavy loads and high-speed conditions |
| Radial load capacity >2× standard deep groove bearings | Super high rigidity & low friction — reduces energy loss and heat generation |
| Grease or oil lubrication compatible | Flexible maintenance integration — supports centralized lube systems and sealed-for-life applications |
| Unseparated, single-row design | Easy installation & replacement — no complex disassembly required on-site |
| Manufactured in China, HS Code 8482300000 | ISO 9001-certified production with 1,000,000 pcs/year capacity — reliable supply & competitive lead time |
| OEM/ODM support with global brand compatibility | Direct drop-in replacement for SKF/NTN/NSK — full documentation & test reports provided upon request |
Why choose this 21314 CC CA W33? Engineered for extreme radial loads and dynamic misalignment, it outperforms generic spherical rollers in fatigue life and torque stability. Backed by real-world validation in crushers, gearboxes, and large motors — ask for application-specific load charts and mounting guidelines today.
