Product Specifications
| Parameter |
Details |
| Model NO. |
21316EAE4 |
| 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 |
80*170*39 mm |
| HS Code |
8482300000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Reducers, Conveyors |
| Automotive |
Transmission Systems, Gearboxes |
| Agricultural Machinery |
Tractors, Harvesters |
| Engineering Equipment |
Excavators, Heavy Load Machinery |
Prevent Equipment Downtime with Reliable Self-Aligning Roller Bearings 21316EAE4
Industrial machinery operators know the cost of unexpected downtime—hours of lost production, emergency repair fees, and missed deadlines. Many face issues with bearings that fail prematurely due to poor precision or inability to handle misalignment, especially in heavy-load applications like conveyors and reducers. Sourcing reliable bearings with flexible MOQ and fast delivery often adds another layer of complexity.
Self-Aligning Roller Bearings Engineered for Industrial Machinery Stability
Our Self-Aligning Roller Bearings 21316EAE4 address these challenges directly. With precision grades from P0 to P4 and clearance options C0/C3/C4, they accommodate radial loads and moderate axial loads while compensating for shaft misalignment—critical for machinery like gearboxes and conveyors. As a professional manufacturer with ISO 9001:2015 certification, we ensure each bearing meets strict quality standards, supported by a 12-month warranty for peace of mind.
Optimal Performance in Heavy-Duty Industrial Conditions
Designed with double rows of rollers and a spherical outer ring, these bearings excel in applications with heavy radial loads and potential shaft deflection. Whether in industrial gearboxes, agricultural machinery reducers, or construction equipment, they maintain stable rotation even under variable loads. The bearing steel material ensures durability, while the unseparated design simplifies installation and maintenance—key for minimizing downtime in manufacturing environments.
Key Technical Features That Deliver Consistent Performance
Precision rating directly impacts operational stability: P4 grade bearings reduce vibration and noise, making them suitable for high-precision machinery, while P0 grade offers reliable performance for general industrial use. Clearance options (C3/C4) accommodate thermal expansion in high-temperature applications, preventing premature failure. The double-row roller design distributes load evenly, extending service life in heavy-duty equipment like excavator reducers. These technical details ensure the bearing matches specific application requirements, from standard conveyors to specialized machine tools.
Choose Authentic Bearings to Avoid Hidden Costs
Counterfeit bearings may offer lower upfront prices, but they often lead to frequent replacements, unplanned downtime, and even equipment damage. Our bearings undergo strict incoming material inspection and full-process production supervision, with in-house laboratory testing for dimensional accuracy and performance. Meeting ISO, ABMA, and DIN standards, they provide consistent reliability that reduces total cost of ownership over time. For industrial buyers, investing in genuine bearings means fewer production interruptions and higher long-term equipment efficiency.
Why Industrial Buyers Partner with Saifan Bearings
With over 18 years of manufacturing and export experience, we serve clients across Europe, North America, and Southeast Asia. Our factory is equipped with automated production lines and professional testing devices, ensuring stable supply even for large orders. We offer flexible order policies—1 piece MOQ for standard bearings, 3-5 working days for sample delivery, and 5-15 days for bulk orders—supporting both emergency repairs and regular stock replenishment. Our technical team provides free guidance on selection and installation, while the ISO 14001 environmental certification reflects our commitment to sustainable manufacturing.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options available (air, sea, courier)
- 1 piece MOQ for standard bearings, flexible customization terms
Get Your 21316EAE4 Bearing Shipped Fast
Don’t let bearing issues slow down your production. Whether you need a single replacement or bulk order, our in-stock Self-Aligning Roller Bearings 21316EAE4 are ready to ship. Provide your equipment details and quantity, and our team will confirm compatibility and deliver a quote within 24 hours—keeping your machinery running with minimal delay.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, all our bearings are manufactured in-house under strict quality control, with full traceability from raw materials to finished products. We provide certification documentation upon request.
Q: How do I confirm if 21316EAE4 fits my equipment?
A: Share your equipment model, load requirements, and operating conditions with our technical team. We offer free选型 support to ensure the bearing matches your application.
Q: What is the warranty period for these bearings?
A: We provide a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund options.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ, ideal for emergency repairs. Customized orders have negotiable quantities based on specifications.
Q: How quickly can I receive my order?
A: Sample orders ship within 3-5 working days, while bulk orders take 5-15 working days. We work with global logistics providers for timely delivery.
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