W 61704-2RS1
W Series Stainless Steel Bearings
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Part No.
Part No.
W 61704-2RS1
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0058 kg
Tolerance class
P0
Seal type
Sealed
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
14 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 61704-2RS1 Bearing Product Overview & Core Advantages
The W 61704-2RS1 is a metric single row deep groove ball bearing designed for applications demanding high reliability and compact design. Its primary advantage lies in its ability to efficiently handle radial loads while offering sealed protection against contamination. Manufactured entirely from stainless steel, this bearing provides excellent corrosion resistance, making it suitable for harsh environments. The combination of a P0 tolerance class and consistent performance within a wide temperature range ensures operational precision and longevity.
W 61704-2RS1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W | Stainless Steel Bearing Series |
| 61704 | Basic Bearing Designation (Metric, Single Row Deep Groove, 20mm Bore, 27mm OD, 4mm Width) |
| 2RS1 | Contact Rubber Seals on Both Sides. Provides superior protection against dust and moisture ingress compared to non-contact seals. |
W 61704-2RS1 Bearing Structural Features & Performance Benefits
- Robust Sealed Design: The 2RS1 contact seals effectively shield the internal components from contaminants, significantly extending service life and enabling use in dirty or humid conditions. This creates a low-maintenance solution.
- Corrosion Resistance: Constructed entirely from stainless steel (rings, balls, and cage), the bearing is inherently resistant to rust and corrosion, ideal for food processing, medical equipment, and other applications where washdowns or corrosive agents are present.
- Precision & Reliability: Manufactured to P0 tolerance class and standard CN radial internal clearance, this bearing offers consistent running accuracy, low noise, and smooth operation, which is critical for sensitive mechanisms.
- Compact & Lightweight: With a minimal cross-section (4mm width) and a weight of only 0.0058 kg, it is an optimal choice for space-constrained and weight-sensitive applications like small motors and precision instruments.
W 61704-2RS1 Bearing Typical Application Areas
- Small Electric Motors and Gear Motors
- Precision Instruments and Optical Devices
- Food and Beverage Processing Machinery
- Medical and Dental Equipment
- Office Automation Equipment (e.g., Printers, Scanners)
- Robotics and Small Actuators
