Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-516178
7317 BG NSK Single Row Angular Contact Ball Bearing 85mm x 180mm x 41mm
7317 BG NSK Single Row Angular Contact Ball Bearing
The 7317 BG NSK Single Row Angular Contact Ball Bearing is a precision-engineered bearing manufactured by NSK, a globally recognised leader in bearing technology. This bearing is specifically designed to handle combined radial and axial loads simultaneously, making it an ideal choice for high-speed, precision applications requiring exceptional load capacity and reliability in demanding industrial environments.
Key Features:
- Single Row Angular Contact Design: Optimised for simultaneous radial and unidirectional axial load capacity
- 40° Contact Angle: Provides efficient load distribution, enhanced rigidity, and superior performance in high-speed applications
- Steel Cage Construction: Premium steel cage ensures durability, reliable ball centring, and smooth operation under demanding conditions
- Bearing Pair Configuration: Low axial clearance arrangement compatible with both O- and X-arrangement configurations for flexible mounting options and enhanced precision
- Open Design: Unsealed bearing allows for applications requiring custom lubrication strategies and open configurations
- Standard Bearing Steel: Premium material construction ensures long service life, consistent performance, and reliable strength
- Normal Radial Clearance: Suitable for standard precision applications requiring optimal load distribution
- Compact Yet Robust Dimensions: 85mm bore × 180mm outer diameter × 41mm width - ideal for space-constrained applications requiring heavy-duty load handling
- Wide Temperature Range: Operating range from -20°C to +150°C for versatile environmental applications
- Precision Tolerance: Tolerance class P0/PN2 (ABEC 1) ensures exceptional accuracy and consistency
Technical Specifications:
- Reference: 7317BG
- Brand: NSK
- Bore Diameter: 85mm
- Outside Diameter: 180mm
- Width: 41mm
- Row Type: Single Row
- Contact Angle: 40°
- Cage Material: Steel
- Radial Clearance: Normal
- Seal Type: None (Open Bearing)
- Arrangement: Bearing pair with low axial clearance in O- and X-arrangement
- Tolerance Class: P0/PN2 (ABEC 1)
- Material: Standard bearing steel
- Outer Ring: Without flange/groove
- Temperature Range: -20°C to +150°C
Ideal Applications:
The 7317 BG is particularly well-suited for:
- High-speed electric motors and industrial pumps
- Machine tool spindles and precision machinery requiring exceptional accuracy
- Gearboxes and transmission systems handling substantial loads
- Automotive drivetrains and heavy-duty powertrains
- Industrial compressors and turbomachinery
- Heavy-duty equipment where preloaded bearing pairs enhance performance and extend service life
- Applications requiring simultaneous radial and axial load management at high rotational speeds
The 7317 BG combines NSK's renowned engineering expertise with robust construction to deliver exceptional performance in the most demanding applications. Its low axial clearance configuration and versatile arrangement options make it particularly suited for precision equipment requiring rigid bearing support and tilting moment resistance. The open bearing design allows for customised lubrication management, ensuring optimal performance across diverse industrial environments.
Reference Number: 7317BG
