W 61701 R
W Series Stainless Steel Flanged Bearings
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Part No.
Part No.
W 61701 R
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0029 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
12 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
18 mm
Outside diameter tolerance
-0.008mm to 0
Width
4 mm
Width tolerance
-0.12mm to 0
Outer Ring Dimensions
Flange outer diameter
19.5 mm
Flange thickness
0.8 mm
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
118 lbf
Radial static load rating
60 lbf
Limiting speed
48 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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W 61701 R Bearing Product Overview & Core Advantages
The W 61701 R is a miniature single row deep groove ball bearing engineered for precision applications requiring compact design and reliable performance. Constructed entirely from stainless steel, it offers excellent corrosion resistance. This bearing is designed to primarily handle radial loads and is characterized by its small cross-section, making it ideal for space-constrained assemblies. Its open design allows for versatile lubrication options and facilitates high-speed operation, as indicated by its limiting speed of 48,000 rpm.
W 61701 R Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W | Designates a stainless steel bearing series. |
| 61701 | The standard bearing designation, indicating a metric, single row deep groove ball bearing with a 12 mm bore, 18 mm OD, and 4 mm width. |
| R | Indicates a flanged outer ring. This feature simplifies mounting and positioning within a housing. |
W 61701 R Bearing Structural Features & Performance Benefits
- Flanged Outer Ring: The integrated flange provides axial location, simplifies housing design, and reduces assembly time and cost.
- All-Stainless Steel Construction: The use of stainless steel for the rings, balls, and cage ensures superior corrosion resistance and makes the bearing suitable for applications exposed to moisture or aggressive environments.
- High-Speed Capability: The open seal type and precision construction minimize friction and heat generation, enabling a high limiting speed of 48,000 rpm for its size.
- Precision Tolerances: Manufactured to P0 tolerance class and standard CN radial internal clearance, ensuring consistent performance and smooth operation in a wide range of applications.
- Compact and Lightweight: With a minimal width of 4 mm and a weight of just 0.0029 kg, it is an optimal solution for lightweight and miniaturized designs.
W 61701 R Bearing Typical Application Areas
This miniature flanged bearing is commonly used in:
- Small Electric Motors: Ideal for spindle support in miniature DC motors and stepper motors.
- Precision Instruments: Used in optical encoders, gauges, and medical devices.
- Office Automation Equipment: Found in printers, scanners, and copiers.
- Robotics and Automation: Suitable for joints and guides in small robotic arms and linear actuators.
- Radio-Controlled Models: Used in high-speed applications such as drone motors.
