6307 NR
6300 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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6307 NR Bearing Product Overview & Core Advantages
The 6307 NR is a single row deep groove ball bearing engineered for exceptional radial load capacity and reliable performance in demanding applications. Its defining feature is the snap ring groove and fitted snap ring on the outer ring, which provides secure axial location and simplifies housing design by eliminating the need for complex shoulder machining. Manufactured with precision tolerances (P0 class) and chrome steel components, this bearing offers high durability and consistent operation, making it an ideal choice for applications requiring robust support and simplified assembly.
6307 NR Bearing Model Code Explained, Specifications & Naming Convention
| Model Suffix | Technical Meaning | Significance |
|---|---|---|
| NR | Snap Ring Groove and Fitted Snap Ring | Enables secure axial positioning within the housing, reducing assembly complexity and cost. |
| Open (Seal Type) | No Integrated Seals | Allows for high-speed operation and permits the use of external, application-specific sealing solutions and lubrication systems. |
6307 NR Bearing Structural Features & Performance Benefits
- High Radial Load Capacity: The optimized single row deep groove raceway geometry is designed to support significant radial loads (Dynamic: 7891 lbf / Static: 4271 lbf), ensuring stable performance under heavy-duty conditions.
- Simplified Housing Design: The integrated snap ring (OD: 86.6 mm, Width: 1.7 mm) acts as a positive locating shoulder, simplifying bearing housing design and reducing manufacturing costs.
- High-Speed Capability: The stainless steel cage ensures low friction and reliable guidance of the balls, contributing to a high limiting speed of 12,000 rpm.
- Robust Construction: Components made from chrome steel provide high hardness and wear resistance, while the standard CN radial internal clearance ensures optimal performance under normal operating conditions.
- Versatile Lubrication: The open design allows for flexibility in lubrication, enabling the use of grease or oil as required by the specific application environment.
6307 NR Bearing Typical Application Areas
The 6307 NR bearing is widely used in industrial machinery where secure axial location and high radial load capacity are critical. Common applications include:
- Electric Motors and Gearboxes
- Industrial Pumps and Compressors
- Material Handling Equipment (Conveyors, Pulleys)
- Agricultural Machinery
- General Industrial Machinery requiring cost-effective and reliable bearing solutions.
