Self-Aligning Roller Bearings 21317CCK-21324CCK W33 for Industrial Machinery P0-P4 Precision
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.
- Double-row roller design with CCK clearance and W33 oil groove ensures optimal lubrication and load distribution, even in high-torque environments
- Constructed from premium bearing steel for superior durability, backed by our ISO 9001-certified quality control and 12-month warranty
- Flexible customization options available to match your exact specifications, with fast 3-5 day sample delivery and reliable bulk production lead times
Technical Details & Description
Produktdaten
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?
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
Application Industries
Industry
Typical Equipment
Industrial Machinery
Machine Tools, Printing Presses, Reducers
Agricultural Machinery
Harvesters, Tractors
Construction
Excavators, Heavy Load Equipment
Manufacturing
Conveyors, Gearboxes, Electric Motors
Minimize Downtime with Reliable 21317CCK-21324CCK W33 Self-Aligning Roller Bearings
Self-Aligning Roller Bearings Engineered for Industrial Durability
Optimal Performance in Demanding Work Environments
Key Technical Features That Matter
Invest in Quality to Avoid Hidden Costs
Why Industrial Buyers Choose Saifan Bearings
Packaging & Shipping
Get Your Bearings Shipped Fast
Frequently Asked Questions
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
Free samples available for distributors. 3–5 days production lead time.
5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.
ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.
12-month warranty plus dedicated technical failure analysis support.
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