Product Specifications
| Parameter |
Details |
| Model NO. |
21315CAK |
| 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 |
| Specification |
75*160*37 mm |
| Origin |
China |
| HS Code |
8482300000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Auto Parts |
Wheel Hubs, Transmission Systems |
| Agricultural Machinery |
Harvesters, Tractors |
| Construction Machinery |
Excavators, Heavy Load Equipment |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
Minimize Downtime with 21315CAK W33 Self-Aligning Roller Bearing for Industrial Machinery
Industrial operations face constant challenges from unexpected equipment failures—especially when bearings misalign or wear prematurely. Replacing failed components disrupts production schedules, increases maintenance costs, and erodes profitability. Many manufacturers struggle with sourcing bearings that balance precision, load capacity, and quick delivery, often compromising on either quality or lead time.
21315CAK W33 Bearing: Engineered for Reliable Industrial Performance
Our Self-Aligning Roller Bearing 21315CAK W33 addresses these pain points with P0-P4 precision ratings and double-row roller design, ensuring stability even in misaligned shafts common in heavy machinery. As an integrated manufacturer with full R&D and QC labs, we deliver bearings that meet ISO9001 standards, supported by flexible order options—including 1pc MOQ for standard items and 3–5 day sample lead times. This makes us ideal for both emergency repairs and long-term production needs in machine tools, reducers, and conveyor systems.
Optimal Performance in Demanding Industrial Conditions
Designed as a radial bearing with unseparated structure, the 21315CAK W33 excels in applications with heavy radial loads and moderate axial loads. Its self-aligning capability compensates for shaft deflection up to 2 degrees, reducing stress on adjacent components. Whether operating in high-vibration environments like agricultural harvesters or precision-critical settings such as CNC machines, this bearing maintains consistent performance, minimizing the risk of unplanned downtime.
Key Technical Features Driving Performance
The 21315CAK W33’s 75x160x37mm dimensions provide a robust foundation for industrial machinery, while its bearing steel construction ensures durability under continuous use. Precision ratings from P0 (standard) to P4 (high precision) allow customization for specific noise and accuracy requirements—critical for printing equipment and machine tools where vibration control is essential. Clearance options (C0, C3, C4) further tailor the bearing to application needs: C3 and C4 clearances accommodate thermal expansion in high-temperature operations, while C0 suits standard conditions, ensuring optimal load distribution and extending service life.
Why Authentic Bearings Matter for Total Cost of Ownership
Choosing genuine bearings over low-quality alternatives directly impacts your bottom line. Counterfeit bearings often fail prematurely, leading to repeated replacements, unplanned downtime, and potential damage to expensive machinery. Our 21315CAK W33 bearings undergo rigorous testing in ISO14001-certified facilities, ensuring material purity and manufacturing consistency. With a 12-month global warranty and defect replacement policy, we stand behind our products, reducing long-term costs associated with frequent failures and maintenance.
Your Trusted Partner for Bearing Solutions
Since 2005, Jinan Saifan Bearing has served global buyers across Europe, America, and Southeast Asia, building a reputation for reliable supply and competitive pricing. Our commitment to quality is backed by full OEM/ODM customization capabilities, allowing us to meet unique industrial requirements. We provide free technical guidance to ensure proper bearing selection and installation, supported by a responsive after-sales team. With bulk delivery times of 5–15 days and multiple payment options (T/T, credit card, Alibaba trade), we streamline the procurement process for businesses of all sizes.
Packaging & Shipping
- Carton and pallet packaging for secure transport
- 3–5 day sample lead time for testing and validation
- 5–15 day bulk delivery for production requirements
- Multiple logistics options including air and sea freight
- 1pc MOQ available for emergency replacement needs
Get Your 21315CAK Bearing Today
Don’t let bearing issues slow down your operations. Whether you need a single replacement or bulk order, our 21315CAK W33 Self-Aligning Roller Bearing is ready to ship. Contact us with your application details, and our technical team will ensure the right fit for your machinery—helping you maintain productivity and reduce downtime.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, we manufacture our bearings in ISO9001 & ISO14001 certified facilities and provide full traceability for all products.
Q: How do I confirm if the 21315CAK is suitable for my equipment?
A: Share your equipment model, load requirements, and operating conditions—our technical team offers free选型 support.
Q: What is the warranty policy?
A: We offer a 12-month global warranty, with free defect replacement or refund for manufacturing issues.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, ideal for emergency repairs or small-batch needs.
Q: How long does shipping take?
A: Samples ship in 3–5 days, bulk orders in 5–15 days, with flexible logistics options to match your timeline.
Q: Can you provide custom bearings for specific applications?
A: Yes, we offer full OEM/ODM customization, including precision grades, materials, and dimensions.
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