WBB1-8704 R
WBB Series Stainless Steel Flanged Miniature Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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WBB1-8704 R Bearing Product Overview & Core Advantages
The WBB1-8704 R is a single row deep groove ball bearing designed for precision applications requiring compact dimensions and reliable performance. Engineered with a flanged outer ring, it facilitates simplified axial location and mounting within assemblies. Constructed entirely from stainless steel (rings, balls, and cage), it offers excellent corrosion resistance, making it suitable for demanding environments. Its open design allows for versatile lubrication options and is optimized for handling primarily radial loads with high efficiency.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| WBB1-8704 | Basic bearing designation, indicating a specific series of miniature flanged bearings. |
| R | Suffix indicating a flanged outer ring design for secure mounting and positioning. |
Note: This is an open bearing without seals or shields, and is supplied without lubrication ("None").
WBB1-8704 R Bearing Structural Features & Performance Benefits
- Flanged Outer Ring: The integrated flange (outer diameter: 10.2 mm) provides positive locating and mounting, simplifying housing design and enhancing assembly stability.
- All-Stainless-Steel Construction: The use of stainless steel for all critical components ensures superior corrosion resistance and is ideal for applications exposed to moisture or chemicals.
- High-Speed Capability: With a limiting speed of 90,000 rpm, this bearing is engineered for high-speed operation, a characteristic supported by its precision manufacturing and stable stainless steel cage.
- Radial Load Capacity: Designed to efficiently carry radial dynamic load rating of 73 lbf and static load rating of 21 lbf, providing reliable performance in compact spaces.
- Precision Tolerance: Manufactured to P0 tolerance class and standard CN radial internal clearance, ensuring consistent and smooth running for general precision applications.
WBB1-8704 R Bearing Typical Application Areas
The WBB1-8704 R is ideally suited for a wide range of compact and high-speed devices, including:
- Small Precision Motors and Spindles
- Medical and Dental Handpieces
- Optical Encoders and Precision Instruments
- Office Automation Equipment (e.g., small printers, scanners)
- Guidance systems in Robotics and Automation
