Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-514328
7218 B Nachi Single Row Angular Contact Ball Bearing 90mm x 160mm x 30mm
7218 B Nachi Single Row Angular Contact Ball Bearing
This precision single row angular contact ball bearing from Nachi is engineered for high-speed applications requiring simultaneous radial and axial load capacity. With a substantial 90mm bore and 160mm outer diameter, the 7218 B delivers exceptional performance in demanding industrial environments while maintaining a compact 30mm width profile. The open bearing design provides flexibility for applications requiring custom lubrication strategies or integration into sealed assemblies.
Key Specifications:
- Bore Diameter: 90mm
- Outer Diameter: 160mm
- Width: 30mm
- Row Configuration: Single Row
- Contact Angle: 40 degrees for optimized radial and axial load distribution
- Seal Type: Open bearing (no seal) for maximum versatility
- Cage Type: Sheet steel cage for reliable operation under varied conditions
- Radial Clearance: Normal clearance for standard industrial applications
- Material: Standard bearing steel construction for durability and long-term reliability
- Tolerance Class: P0/PN2 (ABEC 1) for precision engineering
- Operating Temperature Range: -20°C to +150°C
- Arrangement: Standard version for secure installation
- Outer Ring: Without flange or groove for flexible mounting options
- Manufacturer: Nachi
- Reference: 7218B
Design Benefits:
- 40° contact angle enables efficient distribution of combined radial and axial loads at high speeds
- Open bearing design allows for custom lubrication solutions tailored to specific application requirements
- Sheet steel cage ensures stable, reliable operation with excellent load-carrying capability
- Extended operating temperature range (-20°C to +150°C) guarantees consistent performance across diverse industrial conditions
- Nachi quality assurance reflects world-class manufacturing standards and proven reliability in precision applications
- P0/PN2 tolerance class delivers precision engineering for consistent performance
- Moderate bore size (90mm) makes this bearing ideal for mid-to-large scale industrial equipment
Typical Applications:
Ideal for large industrial machinery, gearboxes, machine tool spindles, electric motors, transmission systems, and precision equipment where high-speed operation with combined radial and axial loading is required. The open bearing design makes the 7218 B particularly suited for applications requiring custom lubrication strategies, high-temperature environments, or integration into sealed housing assemblies. Commonly found in heavy-duty industrial equipment, large pumps, fans, compressors, and specialized machinery where reliability and performance are critical.
Reference: 7218B | Brand: Nachi
