Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-514283
7011 B NSK Single Row Angular Contact Ball Bearing 55mm x 90mm x 18mm
7011 B NSK Single Row Angular Contact Ball Bearing
This premium NSK single row angular contact ball bearing is engineered for high-speed precision applications requiring simultaneous radial and axial load handling in one direction. The 7011 B delivers exceptional performance and reliability, making it an ideal choice for demanding industrial environments where precision and durability are essential.
Key Features:
- Single row design optimized for radial and axial loads in one direction
- 40° contact angle for optimal load distribution and high-speed performance
- Open bearing design (no seal) for applications requiring minimal friction and maintenance
- Steel cage construction ensures durability and reliability in demanding conditions
- Standard bearing steel with exceptional quality and precision
- Universal mounting capability – two bearings can be arranged back-to-back or face-to-face with light preload before mounting
- Non-separable design for reliable, long-term performance
Specifications:
- Bore Diameter: 55mm
- Outside Diameter: 90mm
- Width: 18mm
- Row Type: Single Row
- Seal Type: Open bearing (none)
- Cage Material: Steel
- Contact Angle: 40°
- Radial Clearance: Normal
- Tolerance Class: P0/PN2 (ABEC 1)
- Operating Temperature Range: -20°C to +150°C
- Arrangement: Standard version
- Outer Ring: Without flange or groove
- Material: Standard bearing steel
- Manufacturer: NSK
Ideal Applications:
This bearing is particularly well-suited for gearboxes, electric motors, machine tool spindles, pumps, turbines, and other precision equipment where high-speed operation and combined radial and axial loads are critical. The open design makes it especially valuable in applications where minimal friction, low heat generation, and easy maintenance are important considerations. The extended temperature range (-20°C to +150°C) makes this bearing suitable for both standard industrial and specialized thermal environments.
As a product from NSK, a renowned bearing manufacturer, this bearing meets rigorous quality standards and is recognized for reliable performance in precision applications across diverse industrial sectors.
