21320/21321/21322 Spherical Roller Bearing – High Load, Low Friction, CC/CA/W33
Basic Specifications
| Inner Diameter | 100 mm |
| Outer Diameter | 215 mm |
| Thickness | 47 mm |
Product Overview
Double-row spherical roller bearing with high precision (P0–P2), made of bearing steel, suitable for heavy radial loads and misalignment. Features C0/C3/C4 clearance options, OEM/ODM service, and compliant with HS code 8482300000. Widely used in industrial machinery.
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Warranty 1 year
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Description
Why Choose Our 213 Series Spherical Roller Bearings?
| Description | Key Benefit |
|---|---|
| Model Range: 21320 / 21321 / 21322 | Precise interchangeability with SKF/NTN/NSK standards |
| Super High Load Capacity | Up to 35% higher radial & axial load vs. standard SRBs |
| CC/CA/W33 Cage Design | Enhanced rigidity, low friction & extended service life |
| P0–P2 Precision Grades | Tight tolerances for high-speed & precision machinery |
| C0/C3/C4 Clearance Options | Optimized thermal expansion control in variable temps |
| Double-Row Spherical Alignment | Self-aligning up to ±2.5° — reduces misalignment stress |
| Bearing Steel (GCr15 Equivalent) | ISO 683-17 compliant; hardened to HRC 60–64 |
| Radial + Moderate Thrust Load Support | Ideal for heavy-duty gearboxes, crushers & conveyors |
| ODM/OEM Ready (SKF-Compatible) | Custom branding, packaging & specs — MOQ from 50 pcs |
| 100% Pre-Shipment Inspection | Dimensional, hardness, rotation & noise testing included |
Engineered for demanding industrial environments — these 213 series bearings deliver unmatched rigidity, shock resistance and longevity. Used globally in mining, cement, steel rolling and wind power applications where reliability is non-negotiable.
FAQ: Q: Are these genuine SKF? A: No — they are high-fidelity OEM/ODM equivalents fully compatible with SKF mounting dimensions and performance specs. Q: What’s the max operating temperature? A: Up to 120°C continuous (W33 seals). Q: Can you supply grease-lubricated variants? A: Yes — options include LGEP2, SHELL Alvania RL, or custom grease fill.
Ready to specify or request a quote? Contact our SKF-specialized engineering team today — we respond within 2 business hours.
