W 61909
W Series Stainless Steel Bearings
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Part No.
Part No.
W 61909
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.12 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
68 mm
Outside diameter tolerance
-0.013mm to 0
Width
12 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
2720 lbf
Radial static load rating
2428 lbf
Limiting speed
13 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 61909 Bearing Product Overview & Core Advantages
The W 61909 is a metric single row deep groove ball bearing engineered for high-performance radial load applications. Manufactured entirely from stainless steel (rings, balls, and cage), it offers superior corrosion resistance, making it ideal for demanding environments. Its open design and P0 tolerance class ensure reliable operation and consistent performance. This bearing is characterized by its compact cross-section, high limiting speed, and ability to handle significant dynamic and static loads, providing a robust solution for applications requiring precision and durability.
W 61909 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W | Designates a stainless steel bearing series. |
| 61909 | Indicates the bearing size series (619) with a 45 mm bore diameter (09*5=45mm). |
| No Seal Suffix | The bearing is open, allowing for custom lubrication schemes or operation in clean environments. |
W 61909 Bearing Structural Features & Performance Benefits
- All-Stainless-Steel Construction: Provides excellent resistance to corrosion and is suitable for wash-down, chemical, and food-processing environments. Compliant with ROHS and REACH directives.
- Deep Groove Raceway: Optimized for handling radial loads efficiently, with a radial dynamic load rating of 2720 lbf and a static load rating of 2428 lbf.
- Stainless Steel Cage: Ensures low friction, high strength, and compatibility with the corrosive-resistant nature of the entire bearing, contributing to a high limiting speed of 13,000 rpm.
- Precision Tolerances: Manufactured to P0 (Normal) tolerance class and standard CN radial internal clearance, guaranteeing consistent performance and easy interchangeability.
- Wide Temperature Range: Operates reliably in temperatures from -30°C to 120°C.
W 61909 Bearing Typical Application Areas
This bearing is ideally suited for applications where corrosion resistance and high-speed capability are critical. Key sectors include:
- Food and Beverage Processing Equipment (mixers, conveyors)
- Medical and Laboratory Devices
- Chemical Handling Pumps and Mixers
- Marine and Outdoor Equipment
- Precision Instruments and Optical Devices
