Product Specifications
| Parameter |
Details |
| Model NO. |
22216, 21316, 22316 |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Clearance |
C0, C3, C4 |
| Service |
OEM, ODM |
| Specification |
80*140*33 mm |
| Trademark |
NTN |
| Origin |
Japan |
| HS Code |
8482300000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Reducers, Conveyors, Compressors |
| Automotive Manufacturing |
Transmission Systems, Gearboxes |
| Agricultural Machinery |
Tractors, Harvesters |
| Construction |
Excavators, Heavy Duty Equipment |
Minimize Downtime with Reliable Self-Aligning Roller Bearings 22216 21316 22316
Industrial operations lose valuable production time when bearings fail unexpectedly. Many buyers struggle with inconsistent quality from unknown suppliers, face high minimum order quantities that tie up capital, or waste hours sourcing multiple bearing types. Misalignment in machinery can accelerate wear, but standard bearings often lack the self-correcting capability needed for heavy-duty applications.
Self-Aligning Roller Bearings for Demanding Industrial Environments
Our Self-Aligning Roller Bearings 22216, 21316, and 22316 address these challenges with precision engineering and flexible supply options. As a professional bearing supplier with decades of export experience, we offer genuine NTN bearings in P0-P4 precision grades, supporting everything from routine maintenance to specialized industrial machinery. These bearings accommodate shaft misalignment up to 2-3 degrees, reducing stress on equipment in applications like conveyors and reducers where alignment issues are common.
Engineered for Heavy Loads and Misalignment
Self-Aligning Roller Bearings excel in industrial machinery subjected to radial loads and moderate axial loads. The 22216, 21316, and 22316 models feature a spherical outer ring raceway that allows the inner ring to pivot, making them ideal for equipment with shaft deflection or mounting errors. In textile machinery, printing presses, and agricultural equipment, this design minimizes vibration and extends bearing life, even under fluctuating load conditions.
Technical Features That Ensure Performance
The precision rating of these bearings directly impacts operational efficiency. P0 grade suits general industrial use, while P4 grade delivers tighter tolerances for high-speed applications like CNC machine spindles. Clearance options (C0, C3, C4) allow customization: C3 clearance is recommended for high-temperature environments to prevent seizure, while C0 suits standard operating conditions. The 80*140*33 mm dimension provides a balance of load capacity and compact design, fitting seamlessly into most industrial gearbox and motor assemblies.
Why Genuine Bearings Matter for Total Cost of Ownership
Counterfeit bearings may offer lower upfront prices, but they often fail prematurely due to substandard materials and poor manufacturing. A single bearing failure in a production line can cost thousands in downtime, repair labor, and damaged equipment. Our genuine NTN bearings meet ISO industrial standards, ensuring consistent performance and reducing the risk of unexpected breakdowns. With a 12-month warranty, we stand behind the quality of every bearing, helping you lower long-term maintenance costs.
Your Trusted Bearing Partner Since 2005
Jinan Saifan Bearing Co., Ltd has served global clients across Europe, North America, and Southeast Asia since 2005. Our ISO 9001:2015 certified quality management system ensures rigorous incoming material inspection and full-process production supervision. We offer flexible order policies, including 1 piece MOQ for standard bearings and sample orders with 3-5 working day delivery. Our professional technical team provides free guidance on bearing selection and installation, ensuring you get the right product for your application.
Packaging & Shipping
- Carton and pallet packaging for secure transport
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options including express and sea freight
- 1 piece MOQ available for standard bearings
Get Your Self-Aligning Roller Bearings Today
Don’t let bearing issues disrupt your production schedule. Send us your bearing model, required quantity, and application details to receive a prompt quote. With our global supply chain and technical expertise, we’ll help you select the right Self-Aligning Roller Bearings for your industrial machinery, ensuring reliable performance and minimal downtime.
Frequently Asked Questions
Q: Are these genuine NTN bearings?
A: Yes, we supply genuine original NTN bearings, with full traceability to ensure authenticity.
Q: How do I confirm the correct bearing size for my equipment?
A: Provide your equipment model or shaft dimensions, and our technical team will verify the correct specification.
Q: What is your warranty policy?
A: All products come with a 12-month warranty from the date of receipt, covering manufacturing defects.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ, with customized orders subject to negotiation.
Q: How long does shipping take?
A: Sample orders ship in 3-5 working days, bulk orders in 5-15 working days depending on quantity.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
