W 61704 R
W Series Stainless Steel Flanged Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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W 61704 R Bearing Product Overview & Core Advantages
The W 61704 R is a metric single row deep groove ball bearing designed for exceptional performance in compact spaces. Engineered with stainless steel rings, balls, and cage, it offers excellent corrosion resistance and durability. This open-type bearing is optimized for radial loads and features a P0 tolerance class for reliable operation in general applications. Its lightweight design and high limiting speed of 32,000 rpm make it an ideal choice for precision mechanisms requiring smooth, high-speed rotation.
W 61704 R Bearing Model Code Explained, Specifications & Naming Convention
The model designation W 61704 R provides key technical information:
- W: Indicates a series of miniature and instrument bearings.
- 61: Denotes the bearing series, specifically a deep groove ball bearing with a flanged outer ring.
- 704: Specifies the size code, corresponding to a 20 mm bore diameter, 27 mm outside diameter, and 4 mm width.
- R: Signifies that the bearing is manufactured from stainless steel for enhanced corrosion resistance.
W 61704 R Bearing Structural Features & Performance Benefits
The W 61704 R incorporates several design features that deliver distinct performance advantages:
- Flanged Outer Ring: The flange (28.5 mm outer diameter) facilitates precise axial location and simplifies bearing housing design, enhancing mounting stability.
- All-Stainless Steel Construction: Provides superior corrosion resistance, making it suitable for applications exposed to moisture or aggressive environments, and ensures operational integrity within a temperature range of -30°C to 120°C.
- High-Speed Capability: The single-row deep groove geometry and stainless steel cage contribute to low friction and a high limiting speed, enabling efficient performance in demanding high-RPM applications.
- Open Design: Allows for custom lubrication schemes to be applied, offering flexibility to optimize performance for specific operational conditions.
W 61704 R Bearing Typical Application Areas
The compact size, high-speed performance, and corrosion resistance of the W 61704 R make it well-suited for a variety of precision applications, including:
- Small electric motors and spindles
- Medical and dental handpieces
- Precision instruments and optical encoders
- Office automation equipment (e.g., printers, scanners)
- Robotics and miniature gearboxes
