Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-508343
3211 BTNG NSK Double Row Angular Contact Ball Bearing 55mm x 100mm x 33.3mm
3211 BTNG NSK Double Row Angular Contact Ball Bearing
This NSK double row angular contact ball bearing is engineered for applications requiring simultaneous radial and axial load capacity. The double row configuration with 40-degree contact angle delivers robust performance in industrial equipment where moderate to high-speed operation and precision are essential.
Key Specifications:
- Bore diameter: 55mm
- Outer diameter: 100mm
- Width: 33.3mm
- Contact angle: 40 degrees
- Row type: Double row
- Arrangement: Bearing pair with low axial clearance in O- and X-arrangement
- Clearance: Normal radial clearance
- Tolerance class: P0/PN2 / ABEC 1
Construction Features:
- Material: Standard bearing steel
- Cage: Polyamide cage for reduced friction and enhanced performance
- Seal: Open bearing (none)
- Outer ring: Without flange or groove
- Operating temperature range: -20°C to +120°C
Features & Benefits:
- Double row design provides increased load capacity for heavy-duty applications
- Low axial clearance in paired O- and X-arrangements ensures stability and minimal preload requirements
- Polyamide cage construction reduces friction and operational noise
- 40° contact angle optimized for combined radial and axial load handling
- Robust ABEC 1 tolerance class suitable for industrial machinery
- Compact 55mm bore diameter ideal for space-constrained applications
Applications:
Ideal for gearboxes, electric motors, pumps, spindles, and other industrial equipment where combined radial and axial loads are present. The double row configuration and low axial clearance make this bearing particularly suitable for heavy-duty machinery, automotive transmissions, and precision equipment requiring reliable performance and extended service life.
Brand: NSK - A leading global manufacturer of high-quality bearings for industrial applications.

