Bearings
Ball Bearings
Imperial Ball Bearings
Quick Code: BB-301270
R166-ZZ Budget Imperial Shielded Ball Bearing 4.76mm x 9.53mm x 3.18mm


The R166-ZZ Budget Imperial Shielded Ball Bearing is a precision engineered component designed for compact mechanical applications requiring reliable performance in small-scale machinery. Featuring robust metal shields, this bearing provides exceptional protection against dust, dirt, and light contamination while effectively containing lubricant to ensure optimal functionality.
Key Features:
- Single row deep groove ball bearing configuration
- Shielded design with protective metal shields
- Imperial inch-based sizing
- Compact and versatile performance
Technical Specifications:
- Inside Diameter: 4.7625mm (3/16 inch)
- Outside Diameter: 9.525mm (3/8 inch)
- Width: 3.175mm (1/8 inch)
- Sealing Type: Shielded (ZZ)
Recommended Applications:
- Precision small machinery
- Model making equipment
- Hobby and craft machinery
- Small electrical motors
- Miniature mechanical devices
- Replacement for vintage British and American machinery
As an imperial-sized bearing, this product offers seamless compatibility with British and American machinery, making it an ideal solution for matching and replacing components in legacy mechanical systems. The compact design and protective shielding ensure reliable performance and extended service life in demanding small-scale mechanical environments.
Reference Number: R166-ZZ
Brand: Budget