6305-ZNR/C3
6300 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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6305-ZNR/C3 Bearing Product Overview & Core Advantages
The 6305-ZNR/C3 is a single row deep groove ball bearing engineered for robust performance in demanding applications. Its key advantage lies in the snap ring groove on the outer ring, which simplifies axial location and reduces housing design complexity and costs. This bearing is designed to primarily handle radial loads and is manufactured to ABEC 1 (ISO P0) precision standards. The combination of shielded design and a C3 radial internal clearance makes it particularly suitable for applications with thermal expansion or where interference fits are used, ensuring reliable operation.
6305-ZNR/C3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6305 | Standard deep groove ball bearing series with 25mm bore, 62mm OD, and 17mm width. |
| Z | One side shielded. Protects against contaminants while allowing higher speeds than contact seals. |
| NR | Snap ring groove on the outer ring. Enables secure axial location within a housing. |
| C3 | Radial internal clearance greater than normal. Accommodates thermal expansion or interference fits. |
6305-ZNR/C3 Bearing Structural Features & Performance Benefits
Simplified Axial Location: The integrated snap ring groove eliminates the need for complex housing shoulders or end caps, reducing assembly time and manufacturing costs.
Contaminant Protection: The shielded (Z) design effectively prevents the ingress of solid contaminants, extending bearing service life in moderately dirty environments.
Thermal & Fit Accommodation: The C3 clearance provides operational reliability in applications where bearing temperatures vary significantly or where tight interference fits are used, preventing premature failure due to excessive preload.
Robust Load Capacity: With a dynamic load rating of 4631 lbf and a static load rating of 254 lbf, this bearing offers dependable performance under substantial radial loads.
6305-ZNR/C3 Bearing Typical Application Areas
The 6305-ZNR/C3 is ideally suited for a wide range of industrial machinery where simplified mounting and reliable radial load capacity are key. Common applications include:
- Electric Motors and Gearboxes
- Material Handling Equipment (conveyors, pulleys)
- Agricultural Machinery
- Industrial Fans and Blowers
- Pumps and Compressors
