Spherical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Spherical Roller Bearing
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.7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
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.
Product Summary
- Product Name
- 21320/21321/21322 Spherical Roller Bearing – High Load, Low Friction, CC/CA/W33
- Category
- Spherical Roller Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Get a Custom Quote
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Spherical Roller Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Custom Specifications Available
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
Get a custom quote for
21320/21321/21322 Spherical Roller Bearing – High Load, Low Friction, CC/CA/W33
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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