6308-2RSNRJEM
6300 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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6308-2RSNRJEM Bearing Product Overview & Core Advantages
The 6308-2RSNRJEM is a single row deep groove ball bearing designed for exceptional reliability in demanding applications. This sealed bearing features a snap ring on its outer ring for secure axial location within a housing. Its metric dimensions (40mm bore, 90mm OD, 23mm width) and standard ABEC 1 (ISO P0) tolerance make it a versatile and cost-effective solution. A key advantage is its ability to handle significant radial loads while the integral seals protect against contamination, ensuring long service life without maintenance.
6308-2RSNRJEM Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning | Significance |
|---|---|---|
| 6308 | Basic Bearing Code | Standard deep groove ball bearing with 40mm bore, 90mm OD. |
| -2RS | Double Contact Seals | Features rubber seals on both sides for superior protection against dirt and moisture ingress. |
| NR | Snap Ring Groove | Outer ring has a groove to accommodate a snap ring, simplifying housing design and assembly. |
| JEM | JIS Standard Snap Ring | Specifies that the bearing is supplied with a JIS standard snap ring fitted. |
6308-2RSNRJEM Bearing Structural Features & Performance Benefits
The performance of the 6308-2RSNRJEM is driven by its robust construction. The single row deep groove raceway is optimized for high radial load capacity (915 lbf dynamic, 5395 lbf static). The double-contact rubber seals (2RS) effectively retain lubricant and exclude contaminants, making the bearing suitable for environments where re-lubrication is difficult. The inclusion of a snap ring (NR) on the outer ring provides a positive locating feature, reducing the complexity and cost of the surrounding housing structure. Manufactured from chrome steel for both rings and balls, this bearing offers excellent durability and a wide operating temperature range from -30°C to 120°C.
6308-2RSNRJEM Bearing Typical Application Areas
This bearing's combination of sealed design, snap ring location, and robust load rating makes it ideal for a wide range of industrial applications, including:
- Electric Motors and Gearboxes
- Industrial Pumps and Compressors
- Material Handling Equipment (Conveyors, Pulleys)
- Agricultural Machinery
- Automotive Components (Alternators, Idlers)
