W 630/1.5-2Z
W Series Stainless Steel Miniature Bearings
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Part No.
Part No.
W 630/1.5-2Z
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.000408 kg
Tolerance class
P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
1.5 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
6 mm
Outside diameter tolerance
-0.008mm to 0
Width
3 mm
Width tolerance
-0.04mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
43 lbf
Radial static load rating
11 lbf
Limiting speed
90 X 1000 rpm
Lubrication
Grease
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 630/1.5-2Z Bearing Product Overview & Core Advantages
The W 630/1.5-2Z is a miniature deep groove ball bearing engineered for applications demanding compact size, reliable performance, and high precision. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its key advantage lies in its ability to support primarily radial loads while also accommodating moderate axial loads in both directions. The combination of a shielded design and factory-applied grease lubrication makes it a robust, low-maintenance solution for high-speed, long-life applications where space is at a premium.
W 630/1.5-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W 630 | Series designation for a specific range of miniature deep groove ball bearings. |
| 1.5 | Nominal bore diameter in millimeters (1.5 mm). |
| 2Z | Bearing is equipped with shields on both sides. This provides effective protection against contamination while allowing for higher limiting speeds compared to contact seals. |
W 630/1.5-2Z Bearing Structural Features & Performance Benefits
- Compact and Lightweight Design: With an outer diameter of just 6 mm and a width of 3 mm, this bearing is ideal for miniaturized mechanisms. Its low weight (0.000408 kg) minimizes inertial forces.
- Corrosion Resistance: Manufactured entirely from stainless steel (rings, balls, and cage), the bearing is suitable for applications exposed to moisture or corrosive environments, ensuring long-term reliability.
- High-Speed Capability: The non-contact 2Z shields and optimized grease lubrication contribute to a high limiting speed of 90,000 rpm, making it an excellent high-speed bearing.
- Ready-to-Use and Low Maintenance: The bearing is supplied with a standard radial internal clearance (CN) and is pre-lubricated, making it a maintenance-free component for the majority of its service life.
- Precision and Reliability: Manufactured to P0 tolerance class, it ensures consistent performance and smooth operation, which is critical in precision instruments.
W 630/1.5-2Z Bearing Typical Application Areas
This miniature bearing is designed for high-performance, small-scale applications, including:
- Small Precision Motors and Stepper Motors
- Medical Devices and Dental Handpieces
- Office Automation Equipment (e.g., printers, scanners)
- Instrumentation and Optical Encoders
- Radio-Controlled Models and Drones
- Small Pumps and Gearboxes
