Product Specifications
| Parameter |
Details |
| Model NO. |
22216, 21316, 22316 |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Clearance |
C0, C3, C4 |
| Service |
OEM, ODM |
| Transport Package |
Carton, Pallet |
| Specification |
80*140*33 mm |
| Trademark |
NTN |
| Origin |
Japan |
| HS Code |
8482300000 |
| Production Capacity |
1000000 units |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Presses, Reducers |
| Auto Manufacturing |
Transmission Systems, Wheel Hubs |
| Agricultural Machinery |
Harvesters, Tractors, Tillers |
| Construction |
Excavators, Loaders, Conveyors |
| New Energy |
Wind Turbines, Solar Panel Tracking Systems |
Eliminate Downtime with Precision Self-Aligning Roller Bearings 22216 21316 22316 for Industrial Machinery
Industrial machinery operators know the cost of unexpected downtime—hours of lost production, expensive repairs, and missed deadlines. Misaligned shafts, heavy loads, and variable operating conditions often lead to premature bearing failure, especially with low-quality components. Sourcing reliable self-aligning roller bearings that balance precision, durability, and fast delivery can feel like navigating a maze of generic options.
Engineered for Reliability: Self-Aligning Roller Bearings That Solve Misalignment Challenges
Our Self-Aligning Roller Bearings 22216, 21316, and 22316 are designed to address the core challenges of industrial machinery operation. With precision ratings from P0 to P4, these bearings accommodate shaft misalignment up to 2-3 degrees, reducing stress on machinery components and extending service life. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure consistent quality across every unit, supported by a full QC lab and R&D team. Whether for machine tool spindles, printing presses, or reducers, these bearings deliver the stability industrial operations demand.
Optimal Performance in Demanding Industrial Environments
Self-aligning roller bearings excel in applications with heavy radial loads, moderate axial loads, and potential shaft misalignment—common scenarios in industrial machinery. The 22216, 21316, and 22316 models, with a specification of 80*140*33 mm, are engineered to perform in high-torque environments like conveyor systems and gearboxes. Their robust design handles dynamic stresses, while clearance options (C0, C3, C4) allow customization for thermal expansion and operational tolerance, ensuring reliable rotation even under fluctuating temperatures.
Technical Precision That Drives Machinery Efficiency
The performance of industrial machinery hinges on bearing specifications that match operational demands. Our precision ratings (P0-P4) ensure minimal runout and vibration, critical for maintaining machining accuracy in CNC equipment. Clearance grades (C0 standard, C3/C4 for higher thermal expansion) prevent binding and overheating during continuous operation. With OEM/ODM services available, we can tailor these bearings to specific application requirements—whether modifying cage materials for high-speed rotation or adjusting seals for dust resistance in agricultural settings. Each parameter is selected to optimize load distribution and reduce friction, directly impacting machinery uptime and energy efficiency.
Why Genuine Precision Bearings Lower Total Cost of Ownership
Choosing uncertified bearings may save upfront costs, but the hidden expenses of frequent replacements, production halts, and collateral equipment damage quickly erase those savings. Our self-aligning roller bearings, backed by a 12-month global warranty, minimize these risks. Each unit undergoes rigorous quality checks, from raw material inspection to final dimensional verification, ensuring compliance with international standards. For industrial machinery makers, the reliability of P0-P4 precision bearings translates to fewer maintenance intervals, longer equipment lifespan, and predictable production schedules—ultimately lowering total cost of ownership far beyond initial purchase price.
Your Trusted Partner for Bearing Solutions Since 2005
With over 18 years in the industry, Jinan Saifan Bearing has built a reputation for reliability across Europe, America, Southeast Asia, and the Middle East. Our 1000000-unit annual production capacity ensures stable supply, while flexible order terms (1pc MOQ for standard items, 3-5 day sample lead time) meet both emergency repairs and bulk requirements. We provide full traceability for every bearing, from manufacturing to delivery, and our technical team offers free guidance on selection, installation, and maintenance. When you choose us, you gain a partner committed to your long-term success—backed by defect replacement, refund policies, and the expertise to solve even the most complex bearing challenges.
Packaging & Shipping
- Secure carton packaging with pallet reinforcement for bulk orders, ensuring product integrity during transit
- Sample lead time: 3–5 days; bulk delivery: 5–15 days for standard items
- Global shipping via DHL, FedEx, UPS, or sea/air freight, tailored to your timeline and budget
- Real-time tracking provided for all shipments, with dedicated logistics support
- Minimum order quantity: 1 piece for standard bearings, supporting emergency maintenance needs
Get Your Precision Bearings Delivered Fast—Minimize Downtime Today
Every hour of machinery downtime costs your business money. Don’t wait for bearing failure to disrupt production. Our Self-Aligning Roller Bearings 22216, 21316, and 22316 are in stock and ready to ship, with the precision and durability to keep your industrial machinery running. Send us your bearing model, application details, and quantity now for a quick quote—we’ll respond within 24 hours, helping you get back to full productivity faster.
Frequently Asked Questions
Q: Are these self-aligning roller bearings genuine NTN products?
A: Yes, we supply authentic NTN bearings sourced directly from authorized channels, with full traceability documentation available upon request.
Q: How do I confirm if the 22216/21316/22316 model is suitable for my equipment?
A: Provide your machinery model, operating load, speed, and misalignment tolerance—our technical team will verify compatibility and recommend the optimal precision and clearance grade.
Q: What warranty coverage do these bearings include?
A: All bearings come with a 12-month global warranty against manufacturing defects, including free replacement or refund for non-conforming products.
Q: What is the minimum order quantity for standard bearings?
A: We accept orders for 1 piece, ideal for emergency repairs or small-batch testing before full production deployment.
Q: How quickly can I expect my order to ship?
A: Standard items are available for immediate shipment, with delivery in 3–5 days for samples and 5–15 days for bulk orders, depending on your location.
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