Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-528120
5205-2NS Nachi Double Row Angular Contact Ball Bearing 25mm x 52mm x 20.6mm
5205-2NS Nachi Double Row Angular Contact Ball Bearing
The 5205-2NS is a premium double row angular contact ball bearing from Nachi, engineered for high-speed precision applications requiring simultaneous radial and axial load capacity. This versatile bearing combines reliable Nachi manufacturing expertise with robust performance, making it ideal for precision machinery and industrial equipment operating across demanding conditions. The dual-row configuration with protective lip seals on both sides ensures excellent contamination resistance while maintaining precision operation.
Technical Specifications:
- Bore Diameter: 25mm
- Outer Diameter: 52mm
- Width: 20.6mm
- Contact Angle: 30 degrees
- Row Type: Double row
- Arrangement: Standard version
Construction & Materials:
- Material: Standard bearing steel
- Cage: Sheet steel cage for reliable ball retention
- Seal: Lip seals on both sides for enhanced protection
- Outer Ring: Without flange or groove
- Clearance: Normal radial clearance
- Tolerance Class: P0/PN2 (ABEC 1)
Performance Range:
- Operating Temperature: -20°C to +150°C
Typical Applications:
The 5205-2NS double row angular contact bearing is ideal for electric motors, gearboxes, machine tool spindles, automotive applications, industrial pumps, compressors, and other precision rotating equipment. The 30-degree contact angle provides excellent load distribution for applications requiring balanced radial and axial load handling. The dual lip seals make it particularly suitable for moderately harsh environments where contamination protection is important, while maintaining the precision performance required in demanding industrial applications.
Nachi's proven engineering ensures reliable performance and extended bearing life, delivering consistent results across extended service intervals in high-speed operations. The compact 25mm bore size makes this bearing versatile for space-constrained applications while still delivering substantial load capacity.

