W 627/6 X
W Series Stainless Steel Miniature Bearings
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Part No.
Part No.
W 627/6 X
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0012 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
6 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
12 mm
Outside diameter tolerance
-0.008mm to 0
Width
3 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
91 lbf
Radial static load rating
33 lbf
Limiting speed
70 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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W 627/6 X Bearing Product Overview & Core Advantages
The W 627/6 X is a metric single row deep groove ball bearing engineered for precision applications requiring compact dimensions and reliable performance. Constructed entirely from stainless steel, this bearing offers excellent corrosion resistance. Its open design allows for versatile lubrication options and facilitates high-speed operation. As a fundamental radial bearing, it is designed to primarily support radial loads while accommodating moderate axial loads, making it an ideal component for applications demanding high precision and durability in compact spaces.
W 627/6 X Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Interpretation |
|---|---|
| W 627/6 | Standard series designation for a single row deep groove ball bearing with a 6 mm bore. |
| X | Indicates a boundary dimension deviation from the basic standard series. |
W 627/6 X Bearing Structural Features & Performance Benefits
- Compact & Lightweight Design: With an outer diameter of 12 mm and a width of just 3 mm, this bearing is ideal for applications with severe space constraints. Its low weight of 0.0012 kg minimizes inertia.
- All-Stainless Steel Construction: The rings, balls, and cage are manufactured from stainless steel, providing superior corrosion resistance and making it suitable for harsh environments and clean applications.
- High-Speed Capability: The open seal type and optimized internal geometry contribute to a high limiting speed of 70,000 rpm, enabling use in demanding, high-rotation applications.
- Standard Precision & Clearance: Manufactured to P0 tolerance class with a standard CN radial internal clearance, ensuring consistent performance and reliable operation in a wide range of general applications.
W 627/6 X Bearing Typical Application Areas
This bearing is commonly specified in:
- Small Precision Motors and stepper motors
- Medical and Dental handpieces and instruments
- Office Automation Equipment (e.g., printers, scanners)
- Instrumentation and miniature gearboxes
- Robotics and small-scale automation
