MR74 RICH Deep Groove Ball Bearing - 4 x 7 x 2 mm for Ultra-Compact, High-Speed Performance
The MR74 RICH is a micro-precision deep groove ball bearing, meticulously manufactured by RICH in China. With extremely compact dimensions of 4 mm bore diameter, 7 mm outer diameter, and a slender 2 mm width, this bearing is engineered for efficiency and reliability in the most space-constrained applications.
This RICH bearing is designed to handle a basic dynamic load of 0.314 kN and a basic static load of 0.118 kN, demonstrating robust capacity for its tiny size. It boasts impressive lubrication speeds, capable of reaching 60000 r/min with grease and an exceptional 67000 r/min with oil, making it ideal for very high-speed rotational demands in miniature mechanisms. Weighing a mere 0.00023 kg, the MR74 RICH provides critical performance without adding significant mass.
Key Specifications:
- Type: Deep Groove Ball Bearing
- Brand: RICH
- Model: MR74 RICH
- Dimensions: 4 mm bore x 7 mm outer diameter x 2 mm width
- Weight: 0.00023 kg
- Basic Dynamic Load Rating (C): 0.314 kN
- Basic Static Load Rating (C0): 0.118 kN
- (Grease) Lubrication Speed: 60000 r/min
- (Oil) Lubrication Speed: 67000 r/min
- Country of Origin: China
Key Advantages:
- Ultra-Compact Design: Perfect for miniature devices and applications with extreme space limitations.
- Exceptional High-Speed Capability: Engineered for very high rotational speeds with both grease and oil lubrication.
- Lightweight: Minimizes added mass, crucial for sensitive or portable equipment.
- Reliable Load Handling: Supports dynamic and static loads effectively despite its small size.
- RICH Quality: Manufactured by RICH in China, ensuring consistent precision and dependable performance.