Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-505512
7203 BW NSK Single Row Angular Contact Ball Bearing 17mm x 40mm x 12mm
7203 BW NSK Single Row Angular Contact Ball Bearing
This precision NSK angular contact ball bearing is engineered to handle combined radial and axial loads with exceptional performance and reliability. The single row configuration accommodates axial loads in one direction, making it ideal for high-speed applications requiring precision and durability.
Key Specifications:
- Bore Diameter: 17mm
- Outside Diameter: 40mm
- Width: 12mm
- Contact Angle: 40° for optimal load distribution
- Row Type: Single Row
- Seal Type: Open bearing (unsealed)
- Cage Type: Steel cage for robust operation
- Material: Standard bearing steel
- Clearance: Normal radial clearance
- Tolerance Class: P0/PN2 (ABEC 1)
- Outer Ring: Without flange/groove
- Arrangement: Standard version
- Operating Temperature Range: -20°C to +150°C
- Reference Number: 7203BW
- Manufacturer: NSK
Features & Benefits:
- Single row design ideal for applications requiring axial load capacity in one direction
- 40° contact angle optimised for efficient combined radial and axial load handling
- Steel cage construction ensures durability and stability
- Open bearing design allows for easy lubrication and maintenance accessibility
- Wide operating temperature range (-20°C to +150°C) suitable for diverse industrial environments
- NSK quality engineering ensures consistent performance and extended bearing life
- Compact dimensions ideal for space-constrained applications
Typical Applications:
The 7203 BW is widely used in precision machinery, electric motors, gearboxes, machine tool spindles, pumps, and automotive components. This versatile bearing is particularly well-suited for moderate to high-speed applications where combined radial and axial loads must be managed with precision and reliability. The compact size makes it ideal for applications with spatial constraints.
NSK angular contact bearings are renowned for their exceptional quality standards and engineering excellence, making them the preferred choice for demanding industrial applications worldwide.

