628/7-2Z
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
628/7-2Z
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0031 kg
Tolerance class
P6
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
7 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
14 mm
Outside diameter tolerance
-0.007mm to 0
Width
5 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
175 lbf
Radial static load rating
58 lbf
Limiting speed
50 X 1000 rpm
Lubrication
Grease
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 8.84
/ each
In Stock
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628/7-2Z Bearing Product Overview & Core Advantages
The 628/7-2Z is a single row deep groove ball bearing designed for exceptional performance in compact spaces. This metric precision bearing features a shielded design for contamination protection and is pre-lubricated for long service life. Its key advantage lies in its ability to efficiently handle radial loads while offering high operational reliability. Manufactured to P6 tolerance class, it ensures precise running accuracy, making it ideal for applications demanding high rotational speeds and consistent performance.
628/7-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 628 | Standard series designation for deep groove ball bearings. |
| 7 | Bore diameter of 7 mm. |
| 2Z | Bearing is equipped with shields on both sides. This provides effective protection against contamination while allowing for high-speed operation compared to contact seals. |
628/7-2Z Bearing Structural Features & Performance Benefits
- High-Speed Capability: The combination of a stainless steel cage, optimized geometry, and shielded design enables a high limiting speed of 50,000 rpm, making it suitable for demanding high-rotation applications.
- Robust Load Capacity: Constructed from chrome steel for both rings and balls, this bearing offers a dynamic load rating of 175 lbf and a static load rating of 58 lbf, ensuring durability under significant radial loads.
- Precision & Reliability: Manufactured to a P6 tolerance class with a standard CN radial internal clearance, it guarantees precise running accuracy and consistent performance, reducing vibration and noise.
- Maintenance-Free Operation: The 2Z shields retain the factory-applied grease lubrication, protecting the bearing from contaminants and providing long-term, maintenance-free service within a wide temperature range of -30°C to 120°C.
628/7-2Z Bearing Typical Application Areas
This versatile bearing is engineered for use in a wide array of precision machinery and devices, including:
- Small Electric Motors (e.g., in power tools, drones, cooling fans)
- Precision Instruments and optical devices
- Office Automation Equipment (printers, scanners, copiers)
- Medical Devices and dental handpieces
- Computer Peripherals (hard disk drives, spindle motors)
