Spherical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Spherical Roller Bearing
21320/21321/21322 Spherical Roller Bearing – High Capacity, Low Friction, CC/CA/W33
Basic Info.
| Inner Diameter | 100 mm |
| Outer Diameter | 215 mm |
| Thickness | 47 mm |
| Double-Row Spherical Roller Bearing | |
Introduction
High-precision double-row spherical roller bearing (models 21320/21321/21322), suitable for heavy radial loads and misalignment. Made of premium bearing steel, available in P0–P2 precision grades and multiple clearance options. Widely used in OEM/ODM industrial applications.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, lower friction, extended service life |
| P0–P2 Precision Grades | Guaranteed running accuracy for high-speed industrial use |
| C0/C3/C4 Clearance Options | Optimized thermal expansion control in variable temp environments |
| Bearing Steel (GCr15) | ISO 683-17 compliant, vacuum-melted for fatigue resistance |
| Self-Aligning Double-Row Design | Compensates up to ±2.5° shaft misalignment — reduces downtime |
| Radial + Moderate Thrust Load Support | Ideal for crushers, gearboxes, paper mills & mining conveyors |
| OEM/ODM Ready (1M pcs/mo capacity) | Custom branding, packaging & specs — no MOQ penalty |
| China Origin w/ Global Certifications | RoHS, ISO 9001, and bearing-specific test reports provided |
Engineered for reliability where failure isn’t an option — our 213 series delivers unmatched rigidity, low torque loss, and proven performance in harsh, high-vibration applications. Unlike generic imports, each batch undergoes 100% dimensional inspection and dynamic load testing. Still unsure? Ask us: “What’s the max operating speed for 21322 at 80°C?” or “Can you supply W33 + C3 + P5 in bulk with NSK-compatible packaging?” — Get your technical quote within 2 hours.
Product Summary
- Product Name
- 21320/21321/21322 Spherical Roller Bearing – High Capacity, 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 Capacity, Low Friction, CC/CA/W33
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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