629-ZJ
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
629-ZJ
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
19 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
9 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
26 mm
Outside diameter tolerance
-0.008mm to 0
Width
8 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
873 lbf
Radial static load rating
357 lbf
Limiting speed
28 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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629-ZJ Bearing Product Overview & Core Advantages
The 629-ZJ is a metric single row deep groove ball bearing designed for high performance in compact spaces. Engineered with shielded construction, it offers reliable radial load capacity and is optimized for high-speed operation up to 28,000 rpm. Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing ensures consistent performance and is an ideal choice for applications demanding precision, reliability, and high rotational speeds.
629-ZJ Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 629 | Standard series designation for a deep groove ball bearing. |
| Z | Denotes a shielded (non-contact) seal on one side, protecting the internal components from large contaminants. |
| J | Indicates a snap ring groove on the outer ring, facilitating secure axial location and simplified mounting within a housing. |
629-ZJ Bearing Structural Features & Performance Benefits
- Robust Construction: The single row deep groove raceway and high-grade chrome steel components provide excellent durability and resistance to wear.
- Optimized for High Speeds: The combination of a precision-ground raceway and a chrome steel cage allows for a high limiting speed of 28,000 rpm, making it suitable for demanding rotational applications.
- Effective Contamination Protection: The shielded design helps retain grease and exclude larger particulate contaminants, enhancing bearing service life without significantly increasing rotational torque.
- Simplified Assembly: The outer ring snap ring groove (J-suffix) enables secure axial positioning, reducing the complexity and cost of the surrounding housing design.
- Standardized Internal Clearance: Supplied with a CN (Normal) group radial internal clearance, providing a versatile fit for a wide range of standard operating conditions.
629-ZJ Bearing Typical Application Areas
This bearing is widely used in applications requiring compact size, high speed, and reliable performance. Key sectors include:
- Electric Motors (small to medium-sized)
- Precision Gearboxes
- Office Automation Equipment (printers, scanners, copiers)
- Small Appliances and Power Tools
- Medical Devices and Laboratory Equipment
- Fan and Blower Units
