6312 NR
6300 Series Snap Ring Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
6312 NR Bearing Product Overview & Core Advantages
The 6312 NR is a single row deep groove ball bearing designed for exceptional performance in demanding applications. Its primary advantage lies in its ability to efficiently accommodate radial loads while also handling moderate axial loads in both directions. A key feature is the integral snap ring on the outer ring, which simplifies axial location within a housing, reduces design complexity, and lowers assembly costs. Manufactured with precision tolerances (P0 class) and high-grade materials, this bearing is engineered for high reliability and long service life in a wide range of industrial machinery.
Model Code Breakdown
- 6312: Standard designation for a single row deep groove ball bearing with a 60mm bore and 130mm outside diameter.
- NR: Indicates the bearing is fitted with a snap ring (located in a groove on the outer ring) for axial positioning.
- Open: The bearing is supplied without seals or shields, allowing for higher limiting speeds and optimal heat dissipation.
- CN: Specifies the standard radial internal clearance for normal operating conditions.
- P0: Denotes the tolerance class (Normal), ensuring consistent dimensional accuracy.
6312 NR Bearing Structural Features & Performance Benefits
Robust Construction for High Load Capacity: Built with chrome steel rings and balls, the 6312 NR offers a high radial dynamic load rating of 19,154 lbf and a radial static load rating of 11,690 lbf, ensuring durability under significant stress.
Snap Ring for Simplified Assembly: The outer ring snap ring eliminates the need for complex housing shoulders or end caps, providing a cost-effective and space-saving locating feature.
High-Speed Capability: The open design, combined with a lightweight stainless steel cage, enables a high limiting speed of 7,000 rpm, making it suitable for applications requiring rapid rotation.
Precision and Reliability: Adherence to P0 tolerance class and controlled radial internal clearance (CN) guarantees smooth, quiet, and precise operation, contributing to overall system accuracy.
6312 NR Bearing Typical Application Areas
The 6312 NR bearing is ideally suited for a variety of industrial applications where reliable radial load support and simplified housing design are critical. Common uses include:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
