W 61709
W Series Stainless Steel Bearings
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Part No.
Part No.
W 61709
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.022 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
55 mm
Outside diameter tolerance
-0.013mm to 0
Width
6 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
328 lbf
Radial static load rating
308 lbf
Limiting speed
15 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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In Stock
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W 61709 Bearing Product Overview & Core Advantages
The W 61709 is a metric single row deep groove ball bearing engineered for precision and reliability in demanding applications. Constructed entirely from stainless steel (rings, balls, and cage), it offers excellent corrosion resistance. Its open design and CN radial internal clearance make it suitable for applications requiring high operational accuracy and moderate speeds. This bearing is designed to primarily handle radial loads and is characterized by its compact cross-section, with a 6 mm width, making it ideal for space-constrained assemblies.
W 61709 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W | Manufacturer's prefix designation. |
| 61709 | Standard bearing designation indicating a single row deep groove ball bearing with a 45 mm bore, 55 mm OD, and 6 mm width. |
| No Seal Suffix | The bearing is open, allowing for easy re-lubrication and optimal heat dissipation in clean environments. |
| No Lubrication Suffix | Supplied without lubrication ("None"), providing flexibility for the user to apply a specialized lubricant suited for the specific application. |
W 61709 Bearing Structural Features & Performance Benefits
- All-Stainless-Steel Construction: The use of stainless steel for all critical components provides superior corrosion resistance, making the bearing suitable for harsh environments, including those with exposure to moisture or chemicals.
- High Precision & Rigidity: Manufactured to P0 tolerance class with a CN radial internal clearance, this bearing ensures consistent performance, low noise, and high running accuracy, contributing to overall system rigidity.
- Optimized Load Capacity: With a radial dynamic load rating of 328 lbf and a static load rating of 308 lbf, it is capable of handling significant radial forces in a compact envelope.
- Versatile Speed Performance: The limiting speed of 15,000 rpm is supported by the low-friction, stainless steel cage and the open design, which facilitates efficient lubrication and cooling.
- Broad Temperature Range: Operates reliably within a temperature range of -30°C to 120°C, accommodating a wide variety of industrial conditions.
W 61709 Bearing Typical Application Areas
The W 61709 is ideally suited for applications requiring a compact, corrosion-resistant, and precision bearing. Common uses include:
- Medical and Dental Equipment: Where sterility, corrosion resistance, and reliability are paramount.
- Food Processing and Packaging Machinery: Benefiting from the stainless steel construction for hygiene and washdown compatibility.
- Precision Instruments and Optical Devices: Utilizing the high running accuracy and low noise characteristics.
- Small Electric Motors and Gearboxes: Where space is limited and reliable radial load support is needed.
- Chemical and Pharmaceutical Apparatus: For use in corrosive atmospheres.
