Bearings
Ball Bearings
Imperial Ball Bearings
Quick Code: BB-430556
SR156-ZZ Budget Shielded Stainless Steel Miniature Ball Bearing 4.7625mm x 7.9248mm x 3.175mm
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Product Specification
Brand
Budget
Inside Dia
4.7625mm = 3/16inch
Outside Dia
7.9248mm = 0.312inch
Sealing
Shielded
Width
3.175mm = 1/8inch
Reference
SR156-ZZ
Equivalent to:
WR156-2Z
Quick Order Code
BB-430556
Product Description
The SR156-ZZ Budget Shielded Stainless Steel Miniature Ball Bearing is a precision component designed for compact and delicate mechanical applications requiring small, robust bearings. Its stainless steel construction and shielded design provide exceptional durability and protection in challenging operational environments.
Key Features:
- Miniature imperial sizing: 3/16 inch inside diameter
- Compact dimensions: 4.7625mm x 7.9248mm x 3.175mm
- Shielded configuration with protective metal shields
- Stainless steel material for superior corrosion resistance
- Single row deep groove ball bearing design
Potential Applications:
- Precision medical equipment
- Small robotics and automation systems
- Dental and surgical instruments
- Miniature electronic and mechanical devices
- Model engineering and hobby machinery
- Aerospace and micro-mechanical components
Advantages:
- Excellent contamination protection
- Corrosion-resistant stainless steel material
- Ideal for environments requiring small, precise bearings
- Reliable performance in compact mechanical systems
- Suitable for matching legacy and modern miniature equipment
The SR156-ZZ is particularly useful for engineers and designers seeking a high-quality, compact bearing solution that delivers reliable performance in space-constrained and precision-critical applications.

