7204BMU Nachi Angular Contact Bearing 20x47x14mm - Brass Cage

7204BMU Nachi Angular Contact Ball Bearing
✔️ 20 x 47 x 14mm – 40° Angle – Brass Cage – Made in Japan

The 7204BMU is a high-precision angular contact bearing engineered by Nachi for demanding speed and load conditions. Featuring a 40° contact angle and a flush-ground design, it supports high axial loads in one direction and is often paired for bidirectional use. A brass cage enhances strength and heat resistance, ideal for machine tool spindles, pumps, and precision motors.

✅ Type: Angular contact ball bearing (single row)
✅ Contact angle: 40°
✅ Cage: Brass
✅ Radial clearance: C3
✅ Size: 20mm (ID) x 47mm (OD) x 14mm (Width)
✅ Dynamic load rating (Cr): 13,700 N
✅ Static load rating (Cor): 7,850 N
✅ Quantity: 1 bearing
✅ Origin: Made in Japan
✅ Limiting speeds:

• Grease: 11,000 RPM

• Oil: 16,000 RPM
  
  

💡 What is a 40° contact angle bearing used for?
A 40° contact angle provides strong axial load capacity and rigidity, making it ideal for high-speed, high-precision applications like machine spindles or robotics. These bearings are commonly mounted in pairs for stability and directional load handling.

Precision built for high-load axial performance and optimal support in rotating assemblies.