W 61704
W Series Stainless Steel Bearings
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Part No.
Part No.
W 61704
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0052 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
20 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
27 mm
Outside diameter tolerance
-0.009mm to 0
Width
4 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
132 lbf
Radial static load rating
88 lbf
Limiting speed
32 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 61704 Bearing Product Overview & Core Advantages
The W 61704 is a metric single row deep groove ball bearing engineered for high-precision radial load applications. Constructed entirely from stainless steel, it offers excellent corrosion resistance and reliable performance. Its compact design, with a minimal cross-section, makes it ideal for applications where space is limited and precision is paramount. This bearing is characterized by its open design and P0 tolerance class, ensuring smooth operation and consistent performance in a wide range of industrial settings.
W 61704 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Interpretation |
|---|---|
| W | Manufacturer's prefix designation. |
| 61704 | Standard bearing series code, indicating a single row deep groove ball bearing with specific dimensions (20mm bore, 27mm OD, 4mm width). |
| (No Suffix) | The absence of suffixes indicates an open (unsealed) bearing, supplied without lubrication (None), and manufactured to standard CN radial internal clearance and P0 tolerance. |
W 61704 Bearing Structural Features & Performance Benefits
- All-Stainless-Steel Construction: The rings, balls, and cage are made from stainless steel, providing superior corrosion resistance and making the bearing suitable for harsh environments and clean applications.
- High-Precision Radial Load Capacity: The deep groove raceway and precision manufacturing enable efficient handling of radial dynamic loads up to 132 lbf and static loads up to 88 lbf.
- Optimized for High-Speed Operation: The stainless steel cage and open design contribute to a high limiting speed of 32,000 rpm, suitable for demanding rotational applications.
- Standard Precision and Clearance: Manufactured to P0 tolerance class and standard CN radial internal clearance, ensuring consistent performance and interchangeability.
- Wide Operating Temperature: Can operate effectively within a temperature range of -30°C to 120°C.
W 61704 Bearing Typical Application Areas
This bearing is ideally suited for applications requiring compact size, corrosion resistance, and high-speed capability. Key industries and equipment include:
- Precision Instruments and measuring devices
- Small Electric Motors and spindles
- Medical and Dental Handpieces
- Office automation equipment such as printers and scanners
- Various machinery requiring miniature bearings with high rotational accuracy
