Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-505519
7211 BW NSK Single Row Angular Contact Ball Bearing 55mm x 100mm x 21mm
7211 BW NSK Single Row Angular Contact Ball Bearing
This premium NSK angular contact ball bearing is engineered to handle combined radial and axial loads simultaneously, making it ideal for high-speed, precision applications. As a single row design, it accommodates axial loads in one direction and features a robust, non-separable construction optimized for demanding industrial environments.
Key Features:
- 40° Contact Angle – Optimized for efficient load distribution and smooth operation under combined loads
- Steel Cage – Durable steel construction ensuring excellent stability and ball guidance in high-speed applications
- Open Design – No seals, allowing for easy lubrication and maintenance in controlled environments
- Normal Radial Clearance – Standard clearance suitable for general-purpose industrial applications
- Standard Version – Reliable, proven design meeting industry standards
- NSK Quality – Manufactured by NSK, a world-leading bearing producer renowned for precision engineering and reliability
Specifications:
- Bore Diameter: 55mm
- Outer Diameter: 100mm
- Width: 21mm
- Row Type: Single Row
- Contact Angle: 40°
- Cage Material: Steel
- Seal Type: None – Open bearing
- Clearance: Normal radial clearance
- Outer Ring: Without flange/groove
- Temperature Range: -20°C to +150°C
- Tolerance Class: P0/PN2 (ABEC 1)
- Material: Standard bearing steel
- Reference: 7211BW
Ideal Applications:
This bearing is well-suited for electric motors, gearboxes, machine tool spindles, pumps, and various heavy-duty equipment where simultaneous radial and axial loads are present. The open design makes it particularly valuable for applications requiring frequent lubrication, high-speed operation, and precise load handling. Ideal for industrial machinery, automotive transmissions, and other applications requiring reliable performance across a wide temperature range.
