Ensure smooth, long-lasting operation for your industrial machinery with high-performance Self-Aligning Roller Bearings designed to handle misalignment and heavy radial loads. Our 21317CCK-21324CCK W33 series delivers P0-P4 precision, minimizing vibration and extending equipment uptime—ideal for demanding applications from machine tools to conveyor systems.
| Parameter | Details |
|---|---|
| Model NO. | 21317CCK |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Service | OEM, ODM |
| Rolling Body | Roller Bearings |
| The Number of Rows | Double |
| Material | Bearing Steel |
| Spherical | Aligning Bearings |
| Load Direction | Radial Bearing |
| Separated | Unseparated |
| Outer Dimension | 50-2500 |
| Specification | 85*180*41 mm |
| Trademark | SKF/NTN/NSK/NMB/Koyo/NACHI/Timken |
| Origin | China |
| HS Code | 8482300000 |
| Production Capacity | 1000000 |
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | Machine Tools, Printing Presses, Reducers |
| Agricultural Machinery | Harvesters, Tractors |
| Construction | Excavators, Heavy Load Equipment |
| Manufacturing | Conveyors, Gearboxes, Electric Motors |
Equipment failures due to bearing issues cost manufacturers thousands in lost production each year. Misalignment, overload, and poor precision often lead to premature wear, forcing unplanned shutdowns. Sourcing high-quality self-aligning roller bearings that meet industrial standards can be challenging, especially when dealing with minimum order requirements or long lead times.
Our Self-Aligning Roller Bearings 21317CCK-21324CCK W33 address these challenges with P0-P4 precision ratings and robust construction. Designed to accommodate shaft misalignment and heavy radial loads, these bearings are ideal for industrial machinery such as machine tools and reducers. With 15 years of manufacturing experience, we ensure consistent quality through ISO9001 and ISO14001 certifications, supporting both standard orders and OEM/ODM customization.
Self-aligning roller bearings excel in applications with dynamic loads and potential misalignment, common in agricultural and construction equipment. The double-row roller design and radial load capacity make them suitable for heavy-duty operations, including conveyors and excavators. Proper bearing selection directly impacts equipment lifespan, reducing maintenance costs and ensuring smooth operation even under harsh conditions.
Precision rating is critical—P0 for general industrial use, P4 for high-precision machinery—ensuring minimal vibration and noise. Clearance options (C0, C3, C4) allow customization for thermal expansion and operating conditions; C3 and C4 clearances are recommended for high-temperature environments. The use of high-grade bearing steel enhances durability, while the unseparated design simplifies installation and maintenance, reducing downtime during replacements.
Choosing low-quality bearings may seem cost-effective initially, but frequent replacements and unexpected downtime quickly erase savings. Genuine bearings from established manufacturers like NSK and INA, available through our supply chain, offer reliable performance and longer service life. Our 12-month global warranty ensures protection against manufacturing defects, while free technical guidance helps optimize bearing selection, reducing the risk of premature failure.
With a production capacity of 1,000,000 units annually, we maintain flexible order options—1pc MOQ for standard items and 3–5 day sample lead times. Our full R&D and QC lab ensure each bearing meets precision standards, while multiple payment methods (T/T, credit card, Alibaba trade) simplify transactions. We serve global buyers across Europe, America, Southeast Asia, and the Middle East, offering defect replacement and refund policies to build long-term partnerships.
Don’t let equipment downtime affect your production schedule. Whether you need a single replacement bearing or bulk order, we ensure quick processing and delivery. Send us your bearing model, required quantity, and application details to receive a quote within 24 hours—keep your machinery running with reliable self-aligning roller bearings.
Q: Are these bearings genuine and traceable?
A: Yes, we supply authentic NSK/INA bearings and our own manufactured bearings with full traceability. We can provide certification and origin documentation upon request.
Q: How do I confirm the right bearing model for my equipment?
A: Provide your equipment model, shaft diameter, and operating conditions (load, speed, temperature), and our technical team will assist with选型确认 at no cost.
Q: What is your warranty policy?
A: We offer a 12-month global warranty covering manufacturing defects. Defective products will be replaced or refunded according to customer requirements.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, ideal for emergency repairs or small-scale needs. Custom OEM/ODM orders may have different requirements based on specifications.
Q: How long does shipping take?
A: Samples ship within 3–5 days, bulk orders within 5–15 days. We use DHL, FedEx, UPS, or sea/air freight based on your location and urgency.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
Professional technical guidance and failure solutions from our R&D team.
Master Sweden import duty thrust ball bearing costs by understanding that zero percent EU tariffs still incur twenty-five percent VAT. Avoid costly customs delays at Gothenburg port through accurate HS code 8482.50 classification and complete origin documentation to protect your distribution margins.
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