6305-2RZ/HT
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
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Performance
Materials
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6305-2RZ/HT Bearing Product Overview & Core Advantages
The 6305-2RZ is a single row deep groove ball bearing featuring integral contact seals (2RZ) on both sides. Engineered for radial load applications, this metric bearing delivers reliable performance in a compact design. Its ABEC 1 (ISO P0) tolerance class ensures consistent operation, making it a cost-effective solution for general industrial use where moderate precision and contamination protection are required.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 63 | Series designation: Medium duty deep groove ball bearing |
| 05 | Bore diameter: 25 mm (05 × 5 = 25mm) |
| 2RZ | Double-sided non-contact seals with steel reinforcement |
6305-2RZ/HT Bearing Structural Features & Performance Benefits
Enhanced Contamination Protection: The 2RZ seals provide effective protection against dust and moisture ingress while generating less friction than contact seals, contributing to better operational efficiency.
Robust Load Capacity: With a dynamic load rating of 4631 lbf and static load rating of 254 lbf, this bearing handles significant radial loads in continuous operation.
Optimized Speed Performance: The limiting speed of 11,000 rpm makes it suitable for various medium-speed applications, supported by its precision-ground chrome steel components.
Standardized Dimensions: The bearing features standard bore diameter (25mm), outside diameter (62mm), and width (17mm) for easy replacement and interchangeability.
Material Excellence: Constructed entirely from chrome steel for rings, balls, and cage, ensuring durability and consistent performance across the operating temperature range of -30°C to 120°C.
6305-2RZ/HT Bearing Typical Application Areas
- Electric Motors and small industrial motor applications
- Power Transmission Systems including gearboxes and pulleys
- Material Handling Equipment such as conveyor rollers
- Agricultural Machinery components requiring sealed protection
- Industrial Fans and blowers operating at moderate speeds
- Automotive Components including alternators and pumps
