W 61809-2Z
W Series Stainless Steel Bearings
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Part No.
Part No.
W 61809-2Z
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.036 kg
Tolerance class
P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
58 mm
Outside diameter tolerance
-0.013mm to 0
Width
7 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
1111 lbf
Radial static load rating
1124 lbf
Limiting speed
12 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 61809-2Z Bearing Product Overview & Core Advantages
The W 61809-2Z 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 key advantage lies in its ability to efficiently handle radial loads, making it an ideal choice for applications demanding smooth operation and long service life. The inclusion of integrated shields (2Z) and pre-applied grease lubrication ensures a maintenance-free, clean, and durable solution, suitable for a wide operating temperature range.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| W | Designates a stainless steel bearing |
| 61809 | The basic bearing designation, indicating a deep groove ball bearing with a 45 mm bore, 58 mm OD, and 7 mm width. |
| 2Z | Signifies that the bearing is shielded on both sides. This provides effective protection against contamination while minimizing friction, contributing to the bearing's high limiting speed. |
W 61809-2Z Bearing Structural Features & Performance Benefits
- Robust Stainless Steel Construction: All components, including rings, balls, and cage, are made from stainless steel, providing superior corrosion resistance and durability in harsh environments.
- Optimized for Radial Loads: The deep groove raceway and single row design are engineered to carry significant radial dynamic and static loads (1111 lbf / 1124 lbf), ensuring stable performance.
- High-Speed Capability: The combination of low-friction shields, a stainless steel cage, and optimized grease allows for a limiting speed of 12,000 rpm, making it suitable for high-speed applications.
- Maintenance-Free Operation: With shields on both sides and factory-applied grease, the bearing is sealed against contaminants and lubricated for life, reducing maintenance needs and total cost of ownership.
- Precision Tolerances: Manufactured to P0 tolerance class and standard CN radial internal clearance, it delivers consistent and reliable performance for general precision applications.
W 61809-2Z Bearing Typical Application Areas
This bearing is commonly used in:
- Electric Motors and Small Gearboxes
- Medical and Dental Equipment
- Food Processing and Packaging Machinery
- Precision Instruments and Optical Devices
- Agricultural Sprayers and Conveyor Systems
