Product Specifications
| Parameter |
Details |
| Model NO. |
21315CA |
| 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 |
75*160*37 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 |
| Automotive |
Transmission Systems, Axles |
| Agriculture |
Harvesters, Tractors |
| Construction |
Excavators, Loaders |
| Manufacturing |
Conveyors, Compressors |
Reduce Downtime with Self-Aligning Roller Bearing 21315CA W33 for Industrial Machinery
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. Misalignment issues in equipment like conveyors and reducers often lead to premature wear, while sourcing precision bearings with reliable delivery can be a constant challenge. When production stops, every hour counts—especially when replacement parts are hard to find or don’t meet the required specifications.
Self-Aligning Roller Bearing 21315CA W33: Engineered for Reliable Performance
Our Self-Aligning Roller Bearing 21315CA W33 addresses these pain points with its double-row design and aligning capabilities, accommodating shaft misalignment up to 2 degrees. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure consistent quality across P0-P4 precision grades, making it ideal for industrial machinery like printing presses and reducers. With a 1pc MOQ for standard items and 3–5 days sample lead time, we support both emergency repairs and planned maintenance.
Optimal Performance in Demanding Industrial Environments
This Self-Aligning Roller Bearing 21315CA excels in heavy-load applications, supporting radial loads common in machine tools and agricultural equipment. Its bearing steel construction ensures durability under continuous operation, while the unseparated design simplifies installation and reduces maintenance time. Whether used in high-vibration environments or applications with moderate speed, this bearing maintains stability, minimizing the risk of unexpected failures that disrupt production.
Technical Features That Enhance Machinery Reliability
The 21315CA W33 bearing’s precision rating (P0-P4) directly impacts operational accuracy—higher precision grades like P4 reduce vibration and noise, critical for precision machinery. Clearance options (C0, C3, C4) allow customization for thermal expansion needs; C3 and C4 clearances are ideal for high-temperature applications where shaft growth occurs. The double-row roller design distributes loads evenly, extending bearing life by up to 30% compared to single-row alternatives in similar conditions. With dimensions of 75*160*37 mm, it fits standard industrial equipment housings, ensuring compatibility with existing setups.
Why Genuine Self-Aligning Roller Bearings Matter for Total Cost of Ownership
Choosing genuine Self-Aligning Roller Bearings over counterfeit alternatives reduces long-term costs significantly. Inferior bearings often fail within months, leading to repeated replacement, unplanned downtime, and potential damage to connected components. Our bearings come with a 12-month global warranty, covering manufacturing defects and ensuring peace of mind. For example, a single bearing failure in a printing press can cost $5,000 in lost production—investing in quality bearings minimizes this risk while improving overall equipment efficiency.
Our Commitment to Reliable Bearing Solutions
With over 18 years of experience, Jinan Saifan Bearing serves global buyers across Europe, America, and Southeast Asia. Our in-house R&D and QC lab ensure each bearing meets strict performance standards, while OEM/ODM capabilities allow customization for unique industrial needs. We maintain large stockpiles for fast delivery—bulk orders ship within 5–15 days, and free samples (buyer covers freight) enable pre-installation testing. Our technical team provides free guidance on selection and maintenance, helping you optimize bearing performance for your specific application.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3–5 days lead time for samples, 5–15 days for bulk orders
- Flexible shipping via T/T, credit card, or Alibaba trade terms
- Real-time tracking provided for all shipments
- 1pc minimum order quantity for standard items, supporting emergency repairs
Secure Your Industrial Machinery’s Performance Today
Don’t let bearing issues slow down your production. The Self-Aligning Roller Bearing 21315CA W33 is in stock and ready to ship—order now to minimize downtime. Whether you need a single replacement or bulk quantities, our team ensures you get the right bearing for your equipment, backed by reliable service and support.
Frequently Asked Questions
Q: Are these bearings authentic and traceable?
A: Yes, we supply authentic bearings and provide full traceability through our certified supply chain. We also offer genuine NSK/INA bearings as part of our product range.
Q: How do I confirm if the 21315CA bearing fits my machinery?
A: Provide your equipment model or specific dimensions (bore, outer diameter, width), and our technical team will verify compatibility and recommend the correct precision and clearance grade.
Q: What is your warranty policy for this bearing?
A: We offer a 12-month global warranty covering manufacturing defects. Defective products will be replaced or refunded at no additional cost.
Q: What is the minimum order quantity for the 21315CA bearing?
A: The minimum order quantity is 1 piece for standard items, making it suitable for emergency repairs and small-batch requirements.
Q: How quickly can I receive my order?
A: Samples ship within 3–5 days, and bulk orders within 5–15 days. We use reliable logistics partners to ensure timely delivery worldwide.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing comes with product labels and packaging that include model numbers and specifications. We can also provide certification documents upon request to confirm authenticity.
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Quality Assurance
100% Inspection
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Delivery
3-15 Days
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
Customization
Full OEM/ODM
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
After-Sales
12-Month Warranty
Professional technical guidance and failure solutions from our R&D team.
