W 61805-2Z
W Series Stainless Steel Bearings
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Part No.
Part No.
W 61805-2Z
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.021 kg
Tolerance class
P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
37 mm
Outside diameter tolerance
-0.011mm to 0
Width
7 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
760 lbf
Radial static load rating
562 lbf
Limiting speed
19 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 61805-2Z Bearing Product Overview & Core Advantages
The W 61805-2Z is a single row deep groove ball bearing engineered for precision applications requiring high reliability and compact design. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its primary advantage lies in its ability to handle radial loads efficiently, while the integral shielded design protects against contamination and retains lubrication, ensuring long service life with minimal maintenance. This bearing is ideal for applications demanding high rotational speeds and consistent performance within a wide temperature range.
W 61805-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W | Designates a stainless steel bearing. |
| 61805 | The basic bearing designation, indicating a deep groove ball bearing with a 25 mm bore, 37 mm OD, and 7 mm width. |
| 2Z | Signifies that the bearing is shielded on both sides. This provides effective protection against the ingress of contaminants while minimizing friction, contributing to the high limiting speed. |
W 61805-2Z Bearing Structural Features & Performance Benefits
- Compact & Robust Design: The single row construction with a deep groove raceway provides a compact cross-section while enabling high radial load capacity.
- Corrosion Resistance: All components, including rings, balls, and the cage, are made of stainless steel, making the bearing suitable for harsh environments and washdown applications.
- High-Speed Capability: The combination of a low-friction stainless steel cage, precision-ground components, and shielded design allows for a high limiting speed of 19,000 rpm.
- Pre-Lubricated & Low Maintenance: The bearing is pre-lubricated with grease and sealed with shields (2Z), creating a virtually maintenance-free unit that retains lubricant and excludes pollutants over a long service life.
- Standard Tolerances: Manufactured to P0 tolerance class and standard CN radial internal clearance, ensuring reliable and interchangeable performance for a wide range of general applications.
W 61805-2Z Bearing Typical Application Areas
- Medical and Dental Equipment
- Food Processing and Packaging Machinery
- Precision Instruments and Optical Devices
- Small Electric Motors and Gearboxes
- Office Automation Equipment
