W 61706
W Series Stainless Steel Bearings
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Part No.
Part No.
W 61706
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0072 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
37 mm
Outside diameter tolerance
-0.011mm to 0
Width
4 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
146 lbf
Radial static load rating
119 lbf
Limiting speed
22 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 61706 Bearing Product Overview & Core Advantages
The W 61706 is a metric single row deep groove ball bearing engineered for high precision and reliable performance in compact spaces. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its primary advantage lies in its ability to efficiently handle radial loads while maintaining a very low cross-section with a width of just 4 mm. This bearing is designed for applications requiring a compact, durable, and maintenance-free solution with a standard P0 tolerance class.
W 61706 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W | Manufacturer's series prefix. |
| 61 | Bearing series, indicating a very thin cross-section. |
| 7 | Bore diameter code (specific to series). |
| 06 | Bore diameter code, corresponding to a 30 mm bore. |
| Open (Seal Type) | No seals or shields, allowing for higher limiting speeds and easy re-lubrication if required. |
W 61706 Bearing Structural Features & Performance Benefits
- Compact & Lightweight Design: With an outside diameter of 37 mm and a width of only 4 mm, this bearing is ideal for space-constrained applications where weight and size are critical factors.
- All-Stainless Steel Construction: The rings, balls, and cage are made of stainless steel, providing superior corrosion resistance and making it suitable for harsh environments and clean applications.
- High-Speed Capability: The open design and precision construction contribute to a high limiting speed of 22,000 rpm, suitable for demanding rotational applications.
- Precision Performance: Manufactured to P0 tolerance class with a CN radial internal clearance, ensuring consistent and reliable operation.
- Wide Temperature Range: Operates effectively in temperatures from -30°C to 120°C, offering versatility for various operational conditions.
W 61706 Bearing Typical Application Areas
This bearing is commonly used in:
- Precision Instruments and optical devices
- Small Electric Motors and miniature gearboxes
- Medical devices and dental handpieces
- Office automation equipment (e.g., printers, scanners)
- Robotics and miniature automation systems
