Thrust Self-aligning Roller Bearing
21320-21324ca W33 Self-Aligning Roller Bearing SKF
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

21320-21324ca W33 Self-Aligning Roller Bearing SKF

Product Introduction

Self-aligning roller bearings with model numbers 21320CA, 21321CA, 21322CA, 21324CA W33, made of bearing steel, suitable for OEM/ODM services.

Product Parameters

Model NO.21320CA, 21321CA, 21322CA, 21324CA W33
Precision RatingP0, P6, P5, P4, P2
ClearanceC0, C3, C4
Specification100*215*47 mm
MaterialBearing Steel

Technical Specifications
Product Name
21320-21324ca W33 Self-Aligning Roller Bearing SKF
Category
Thrust Self-aligning Roller Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable

15+ Certified Engineers On-Call

Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.

21320CA 21321CA 21322CA 21324CA W33 Self-Aligning Roller Bearings: Reliable Solutions for Heavy-Duty Truck Applications

Designed to deliver exceptional performance in demanding truck operations, our self-aligning roller bearings ensure smooth rotation, reduced downtime, and extended service life. Engineered with precision and durability, these bearings are the ideal choice for heavy-duty truck axles, transmissions, and wheel hubs, providing reliable support even under extreme loads and misalignment conditions.

Core Specifications

Model 21320CA, 21321CA, 21322CA, 21324CA (W33)
Precision Rating P0, P6, P5, P4, P2
Clearance C0, C3, C4
Material High-Quality Bearing Steel
Structure Double-Row, Unseparated
Load Type Radial Bearing
Outer Dimension Range 50-2500 mm
Typical Specification 100*215*47 mm (Example)
Brands Available SKF, NTN, NSK, NMB, Koyo, NACHI, Timken
Origin China (ISO/TS 16949 Certified)

Key Performance Advantages

  • Self-Aligning Capability: Compensates for shaft misalignment, reducing stress on truck components.
  • High Load Capacity: Double-row design supports heavy radial and axial loads, ideal for truck axles.
  • Enhanced Durability: Premium bearing steel construction resists wear and fatigue in long-haul operations.
  • Low Maintenance: Sealed design (W33) minimizes lubrication needs and contamination risks.

Applications

Perfect for truck drivetrains, wheel hubs, transmissions, and industrial machinery requiring robust radial support. Trusted by truck manufacturers and fleet operators for reliable performance in on-road and off-road conditions.

Quality Assurance

Our bearings meet international standards (HS Code: 8482300000) and undergo strict quality control, including precision testing and material inspections. Backed by OEM/ODM services to meet custom truck specifications.

Why Choose Us?

Unlike generic bearings, our products combine top-tier brand options, flexible specifications (clearance, precision), and factory-direct pricing. We ensure consistent supply with a production capacity of 1,000,000 units annually, making us your reliable long-term partner.

FAQ

Q: What is the W33 suffix?
A: W33 indicates a lubrication groove and three oil holes in the outer ring for enhanced maintenance.

Q: Can these bearings handle high temperatures?
A: Yes, bearing steel material ensures stability in temperatures up to 120°C (248°F) for truck engine and transmission applications.

Q: Are custom sizes available?
A: Contact us for ODM services to match your specific truck model requirements.

Ready to upgrade your truck’s performance? Send us an inquiry today with your model, quantity, and technical needs for a tailored quote!

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01

Authorized SKF Engineering Partner

Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.

02

15+ Certified Engineers On-Staff

In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.

03

ISO 9001 & TS 16949 Certified QC

Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.

04

Global Logistics to 50+ Countries

Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.

Performance Metrics

35%

Failures Prevented

70%

Downtime Reduction

25+

Years Experience

24h

Quote Response

78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.

Application Design

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.

Free samples available for orders over $50K

Validated against your KPIs before full production commitment.

Contact Engineering Team

-- Get In Touch

Request a Technical Consultation & Quote

Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.

Address

No. 377 Bansongyuan Road, Huangpu District, Shanghai, China

Free Sample Program

Orders over $50K qualify for free product samples

Test against your KPIs before full production commitment. Ask our engineers for details.

Product Inquiry Form

Regarding: 21320-21324ca W33 Self-Aligning Roller Bearing SKF

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ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

SKF Authorized Engineering Partner

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