Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-508961
3801-B-2RSR-TVH FAG Angular Contact Ball Bearing 12mm x 21mm x 7mm
3801-B-2RSR-TVH FAG Angular Contact Ball Bearing
The 3801-B-2RSR-TVH is a compact double row angular contact ball bearing from FAG, engineered for applications requiring simultaneous radial and axial load capacity in a space-constrained design. With a 12mm bore and 21mm outer diameter, this bearing delivers reliable performance in precision equipment while maintaining minimal footprint, making it ideal for compact machinery and high-speed applications.
Key Features:
- Double row design for enhanced load-carrying capacity and improved rigidity
- 25° contact angle optimized for balanced radial and axial load distribution
- Lip seal on both sides (2RSR) for effective contamination protection in various operating environments
- Polyamide cage construction for lightweight, reliable operation with smooth cage guidance
- FAG quality engineering delivering proven precision and durability
- Operating temperature range from -20°C to +120°C for versatile application compatibility
- Standard tolerance class P0/PN2 (ABEC 1) suitable for general precision applications
Specifications:
- Reference: 3801-B-2RSR-TVH
- Bore Diameter: 12mm
- Outer Diameter: 21mm
- Width: 7mm
- Row Type: Double row
- Contact Angle: 25 degrees
- Cage Material: Polyamide cage
- Clearance: Normal radial clearance
- Seal Type: Lip seal on both sides (2RSR)
- Tolerance Class: P0/PN2 (ABEC 1)
- Material: Standard bearing steel
- Outer Ring Design: Without flange or groove
- Arrangement: Standard version
- Operating Temperature Range: -20°C to +120°C
- Manufacturer: FAG
Technical Advantages:
- Double row configuration provides superior load capacity compared to single row bearings of similar size
- Dual lip seals offer excellent protection against dust, moisture, and other contaminants, reducing maintenance requirements
- Compact dimensions make this bearing ideal for space-limited applications without compromising performance
- 25° contact angle provides balanced performance for mixed radial and axial loading conditions
- Polyamide cage ensures smooth operation with minimal noise and vibration
Ideal Applications:
This bearing is particularly well-suited for small electric motors, gearboxes, pumps, power tools, automotive components, and precision machinery requiring compact design with reliable load handling. The sealed design makes it especially valuable for applications exposed to dust, humidity, or challenging operating environments. Common uses include household appliances, industrial equipment, and automotive systems where space efficiency and contamination protection are essential.
As part of FAG's comprehensive bearing portfolio, the 3801-B-2RSR-TVH combines compact engineering with dependable performance for demanding yet space-constrained applications.

