Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-508498
3309 B-2RSRTNGC3 NSK Double Row Angular Contact Ball Bearing 45mm x 100mm x 39.7mm
The 3309 B-2RSRTNGC3 NSK Double Row Angular Contact Ball Bearing is a premium precision bearing engineered for demanding applications requiring simultaneous radial and axial load capacity in both directions. Manufactured by NSK, a globally recognized leader in bearing technology, this double row angular contact bearing delivers exceptional performance and reliability in high-speed industrial environments.
Specifications:
- Bore Diameter: 45mm
- Outer Diameter: 100mm
- Width: 39.7mm
- Contact Angle: 40 degrees
- Row Type: Double row
- Arrangement: Bearing pair with low axial clearance in O- and X-arrangement
- Cage Material: Polyamide
- Radial Clearance: Slightly increased
- Seal Type: Lip seal on both sides (2RS)
- Material: Standard bearing steel
- Outer Ring: Without flange or groove
- Tolerance Class: P0/PN2 (ABEC 1)
- Operating Temperature Range: -20°C to +120°C
Key Features:
- Double row configuration with low axial clearance for superior combined radial and axial load handling in both directions
- 40-degree contact angle optimized for balanced load distribution and enhanced stiffness
- Polyamide cage construction provides excellent durability while maintaining lightweight performance
- Dual lip seals (2RS) protect against contamination while allowing effective lubrication retention
- Slightly increased radial clearance accommodates thermal expansion and ensures smooth operation under varying conditions
- O- and X-arrangement design enables bidirectional axial load capacity with exceptional precision
- P0/PN2 tolerance class guarantees high precision and repeatability for critical applications
- Compact dimensions ideal for space-constrained installations
Typical Applications:
This bearing is ideal for use in gearboxes, industrial transmissions, machine tool spindles, compressors, pumps, and other machinery requiring high-speed precision operation with substantial combined loading. The double row design with bidirectional load capacity makes it particularly suitable for automotive transmissions, heavy-duty industrial motors, precision spindle assemblies, and specialized equipment demanding maximum load capacity and reliability.
Why Choose NSK?
NSK is recognized worldwide as a premier bearing manufacturer renowned for exceptional quality standards, innovative engineering, and reliable performance. The 3309 B-2RSRTNGC3 delivers the superior durability and precision that professionals depend on for mission-critical applications.
Reference Number: 3309B-2RSRTNGC3 NSK
