629 JEM
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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629 JEM Bearing Product Overview & Core Advantages
The 629 JEM is a high-precision, single row deep groove ball bearing designed for reliable performance in demanding applications. Engineered to primarily support radial loads, this bearing features an open design for versatile lubrication options. Manufactured from chrome steel with an ABEC 1 (ISO P0) tolerance class, it delivers consistent operation and long service life. Its compact dimensions and robust construction make it an ideal choice for applications requiring a balance of performance, precision, and cost-effectiveness.
629 JEM Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 629 | Standard bearing series designation, indicating a specific size and geometry. |
| JEM | Manufacturer-specific suffix. "JEM" typically denotes a specific internal design, material selection, or performance grade from the manufacturer JEM. |
629 JEM Bearing Structural Features & Performance Benefits
- Optimized Radial Load Capacity: The single row deep groove raceway geometry is engineered to efficiently handle significant radial loads (Dynamic: 873 lbf / Static: 357 lbf), providing stable and reliable support for rotating shafts.
- High-Speed Capability: With a limiting speed of 28,000 rpm, this bearing is suitable for high-velocity applications. The chrome steel cage ensures smooth operation and integrity at elevated rotational speeds.
- Precision & Consistency: Manufactured to ABEC 1 (ISO P0) tolerance standards with a standard CN radial internal clearance, this bearing offers precise running accuracy and low vibration, contributing to the overall performance of the assembly.
- Material Durability: All core components—rings, balls, and cage—are constructed from chrome steel, providing excellent hardness, wear resistance, and durability under typical operating conditions.
- Versatile Lubrication: The open seal type allows for the use of various lubricants (grease or oil) tailored to specific application requirements, including high-temperature environments (up to 120°C).
629 JEM Bearing Typical Application Areas
The 629 JEM deep groove ball bearing is widely used across various industries due to its versatile performance. Key application areas include:
- Electric Motors and Small Gearboxes
- Precision Instruments and Medical Devices
- Office Automation Equipment (e.g., printers, scanners)
- Power Tools and Small Appliances
- Automotive Auxiliary Systems (e.g., fans, pumps)
