W 61905 R
W Series Stainless Steel Flanged Bearings
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Part No.
Part No.
W 61905 R
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.043 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
42 mm
Outside diameter tolerance
-0.011mm to 0
Width
9 mm
Width tolerance
-0.12mm to 0
Outer Ring Dimensions
Flange outer diameter
45 mm
Flange thickness
2 mm
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
1360 lbf
Radial static load rating
1012 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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W 61905 R Bearing Product Overview & Core Advantages
The W 61905 R is a single row deep groove ball bearing designed for exceptional performance in precision applications. Engineered with a flanged outer ring, it offers simplified axial location and secure mounting. Manufactured entirely from stainless steel, this bearing provides excellent corrosion resistance, making it ideal for demanding environments. Its open design and high-grade components ensure reliable operation under radial loads and moderate speeds, delivering high reliability and long service life.
W 61905 R Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W | Stainless Steel Deep Groove Ball Bearing Series |
| 61905 | Standard bearing designation (9 = Series, 05 = 25mm bore) |
| R | Bearing with flanged outer ring for simplified mounting and positioning |
W 61905 R Bearing Structural Features & Performance Benefits
- Flanged Outer Ring: The integral flange provides positive axial location, simplifies housing design, and prevents creeping, enhancing mounting accuracy and system rigidity.
- All-Stainless Steel Construction: Rings, balls, and cage are made from stainless steel, offering superior corrosion resistance and suitability for washdown, chemical, and food-processing environments.
- Deep Groove Raceway: Optimized for handling radial loads efficiently, with the capability to accommodate some axial loads in either direction.
- Open Seal Type: Allows for easy re-lubrication and minimizes friction, contributing to the bearing's high-speed capability with a limiting speed of 22,000 rpm.
- Standard Clearance & Tolerance: Features CN radial internal clearance and P0 tolerance class, ensuring consistent performance and interchangeability for general precision applications.
W 61905 R Bearing Typical Application Areas
- Medical and Dental Equipment
- Food and Beverage Processing Machinery
- Chemical and Pharmaceutical Mixers
- Precision Instruments and Optical Devices
- Small Electric Motors and Pumps in Corrosive Environments
