SKF 22344-22356mbk/W33 Self-Aligning Roller Bearings
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SKF
Thrust Self-aligning Roller Bearing
ISO 9001
TS 16949
Genuine SKF
50+ Countries
24h Response
-- SKF Authorized Engineering Partner
21311-21316CCK W33 SKF Self-Aligning Roller Bearing
Product Introduction
Self-aligning roller bearings with model range 21311CCK to 21316CCK (W33 series), designed for radial load applications. Features double rows, bearing steel construction, and supports OEM/ODM services. Ideal for machinery requiring alignment compensation.Product Parameters
| Model NO. | 21311CCK (series available) |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Specification | 55*120*29 mm (varies by model) |
| Material | Bearing Steel |
Technical Specifications
- Product Name
- 21311-21316CCK W33 SKF Self-Aligning Roller Bearing
- 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.
High-Quality 21311CCK-21316CCK W33 Self-Aligning Roller Bearings for Heavy-Duty Truck Applications
Enhance your truck’s performance with our premium self-aligning roller bearings, designed to deliver exceptional durability and reliability even in the most demanding conditions. Whether you’re managing a fleet of commercial trucks or maintaining heavy-duty vehicles, these bearings ensure smooth operation and extended service life, reducing downtime and maintenance costs.
Core Specifications
| Model | 21311CCK, 21312CCK, 21313CCK, 21314CCK, 21315CCK, 21316CCK (W33 Series) |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Material | High-Grade Bearing Steel |
| Structure | Double-Row, Unseparated |
| Load Type | Radial Bearing |
| Outer Dimension Range | 50-2500 mm |
| Standard Specification | 55*120*29 mm (21311CCK) |
| Service Options | OEM, ODM |
| Origin | China (Compliant with International Standards) |
Key Benefits for Truck Operations
- Self-Aligning Design: Compensates for shaft misalignment, reducing stress on truck axles and drivetrains.
- High Load Capacity: Engineered to handle heavy radial loads, ideal for trucks carrying large payloads.
- Long Service Life: Made from premium bearing steel, ensuring resistance to wear and fatigue.
- Versatile Compatibility: Fits various truck models, supported by OEM/ODM customization.
Applications
Perfect for commercial trucks, trailers, and heavy-duty vehicles in logistics, construction, and mining. Ideal for rear axles, drive shafts, and gearbox assemblies where reliability under extreme loads is critical.
Quality Assurance
Our bearings meet strict industry standards, with production capacity exceeding 1,000,000 units annually. Backed by trusted trademarks (SKF/NTN/NSK/NMB/Koyo/NACHI/Timken), ensuring consistent performance and compliance with global quality benchmarks (HS Code: 8482300000).
Why Choose Our Bearings?
Unlike generic alternatives, our self-aligning roller bearings offer superior precision ratings (up to P2) and customizable clearances (C0/C3/C4), tailored to your truck’s specific operational needs. The double-row design provides enhanced stability, making them a cost-effective solution for long-term fleet maintenance.
FAQ
Q: What is the temperature range these bearings can withstand?
A: Suitable for -40°C to 120°C, ideal for diverse climate conditions.
Q: Can these bearings be used for both on-road and off-road trucks?
A: Yes, their robust construction ensures performance in both environments.
Q: Do you provide technical support for installation?
A: We offer detailed installation guides and OEM customization support.
Ready to upgrade your truck’s reliability? Contact us today for bulk pricing, technical specifications, or sample requests. Ensure your fleet stays on the road with bearings you can trust!
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Steel & Metallurgy
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Precision Machinery
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General Industrial
Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.
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
EngineeringCustom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Failure Analysis
DiagnosticsRoot-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
Predictive Maintenance
IIoTIIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Custom Modification
CustomModified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
On-Site Installation
SupportCertified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Lifecycle Support
LifecycleLong-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.
-- 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.
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