Product Specifications
| Parameter |
Details |
| Model NO. |
21317CAK |
| 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 |
85*180*41 mm |
| HS Code |
8482300000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Presses, Reducers |
| Automotive |
Transmission Systems, Wheel Hubs |
| Agricultural Machinery |
Harvesters, Tractors |
| Construction |
Excavators, Conveyors |
| New Energy |
Wind Turbines, Solar Equipment |
Minimize Downtime with Reliable 21317CAK W33 Self-Aligning Roller Bearing for Industrial Machinery
Industrial machinery operators often face unexpected production halts due to bearing failures, especially in high-load applications where misalignment accelerates wear. Sourcing precision bearings that balance performance, delivery speed, and customization options can be challenging, with many suppliers requiring large minimum orders or long lead times for specialized specs.
21317CAK W33 Double Row Bearing: Engineered for Heavy-Duty Alignment and Durability
Our Self-Aligning Roller Bearing 21317CAK W33 addresses these challenges with double-row roller design that accommodates radial loads and moderate axial loads while compensating for shaft misalignment up to 2 degrees. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we offer P0-P4 precision grades and C0/C3/C4 clearance options to match specific machinery requirements, from CNC machine tools to agricultural reducers.
Optimal Performance in Demanding Industrial Environments
This bearing excels in applications involving heavy radial loads, variable speeds, and potential shaft deflection—common scenarios in mining conveyors, steel rolling mills, and printing presses. The self-aligning capability reduces stress on shafts and housings, extending equipment life in environments where precise alignment is difficult to maintain. Its bearing steel construction ensures resistance to wear and fatigue under continuous operation, making it suitable for 24/7 production cycles.
Key Technical Features That Enhance Machinery Reliability
The 21317CAK W33’s 85mm bore diameter, 180mm outer diameter, and 41mm width provide a robust foundation for load handling. Precision ratings from P0 (standard) to P4 (high precision) allow customization based on application needs—P4 grade minimizes vibration in high-speed spindles, while P0 offers cost-effective solutions for general industrial use. Clearance options (C0 for standard, C3/C4 for thermal expansion) ensure proper fit in temperature-fluctuating environments, preventing seizure or excessive play. The unseparated design simplifies installation and maintenance, reducing downtime during replacements.
Why Authentic Bearings Lower Total Cost of Ownership
Choosing genuine high-precision bearings reduces the risk of premature failure compared to low-quality alternatives. Counterfeit bearings often lack proper heat treatment, leading to early wear that causes equipment breakdowns, unplanned maintenance, and production losses. Our bearings, backed by a 12-month global warranty, undergo rigorous QC testing in our in-house lab, ensuring consistent performance. This reliability translates to lower long-term costs by minimizing downtime, repair expenses, and replacement frequency—critical factors for industrial machinery manufacturers and operators.
Your Trusted Partner for Bearing Solutions Since 2005
With over 18 years of experience serving global buyers across Europe, America, and Southeast Asia, we’ve built a reputation for stable supply and technical expertise. Our full R&D capabilities support OEM/ODM customization, while flexible order policies (1pc MOQ for standard items, 3–5 day sample lead time) cater to both emergency repairs and large-scale production needs. We provide free technical guidance to ensure proper bearing selection, and our defect replacement/refund policy gives customers confidence in their purchase. All products are traceable through our certified supply chain, with ISO9001 quality management ensuring consistent manufacturing standards.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- Sample lead time: 3–5 days for standard specifications
- Bulk delivery: 5–15 days depending on order volume
- Global shipping via T/T, credit card, or Alibaba trade terms
- 1pc MOQ available for emergency replacement needs
Get Your 21317CAK Bearing Shipped Fast—Minimize Production Downtime
Don’t let bearing issues disrupt your operations. Whether you need a single replacement or bulk order, our 21317CAK W33 Self-Aligning Roller Bearing is ready to ship. Provide your application details, required precision grade, and quantity, and our team will confirm availability and deliver a quote within 24 hours.
Frequently Asked Questions
Q: Is this bearing authentic and certified?
A: Yes, we are an ISO9001 and ISO14001 certified manufacturer. All bearings undergo strict quality control and are traceable through our supply chain.
Q: How do I confirm if the 21317CAK fits my machinery?
A: Provide your equipment model, load requirements, and operating speed. Our technical team will verify compatibility and recommend the optimal precision and clearance grade.
Q: What is the warranty coverage?
A: We offer a 12-month global warranty. Manufacturing defects are covered by free replacement or refund.
Q: What is the minimum order quantity?
A: 1pc MOQ for standard specifications, supporting emergency repair needs.
Q: How long does shipping take?
A: Samples ship in 3–5 days, bulk orders in 5–15 days. We use reliable logistics partners for global delivery.
Q: Can I get a custom precision grade or clearance?
A: Yes, we offer OEM/ODM services with P0-P4 precision and C0/C3/C4 clearance options to meet specific application requirements.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
