629 J
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Performance
Materials
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629 J Bearing Product Overview & Core Advantages
The 629 J is a single row deep groove ball bearing designed for superior performance in radial load applications. Constructed entirely from chrome steel, this bearing offers excellent durability and reliable operation. Its open design allows for versatile lubrication options and easy maintenance. As an ABEC 1 | ISO P0 class bearing, it provides dependable precision for a wide range of industrial uses. The compact dimensions and high limiting speed make it an ideal choice for applications requiring a balance of performance, size, and cost-effectiveness.
629 J Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| J | Indicates a CN radial internal clearance group, which is the standard (normal) clearance for general purpose applications. |
| No Seal Suffix | The bearing is open, meaning it has no seals or shields. This allows for higher speeds and easy re-lubrication but requires a clean operating environment or external sealing. |
629 J Bearing Structural Features & Performance Benefits
- Robust Chrome Steel Construction: All core components—rings, balls, and cage—are made from chrome steel, providing high strength, wear resistance, and a long operational lifespan.
- Optimized for Radial Loads: The deep groove raceway and single row design are engineered to efficiently handle significant radial dynamic loads (873 lbf) and radial static loads (357 lbf).
- High-Speed Capability: The open design and precision ABEC 1 tolerances contribute to a high limiting speed of 28,000 rpm, making it suitable for demanding high-rotation applications.
- Standard Internal Clearance: The CN clearance offers a versatile fit for most operating conditions, accommodating thermal expansion and ensuring smooth, low-noise operation.
- Broad Temperature Range: Capable of operating in temperatures from -30°C to 120°C, ensuring performance stability across various environments.
629 J Bearing Typical Application Areas
- Electric Motors and Small Gearboxes
- Power Tools and Handheld Appliances
- Office Machinery (e.g., Printers, Scanners)
- Conveyor System Idler Rolls
- Ventilation and Cooling Fans
- Precision Instrumentation and Medical Devices