The 40BG05S1 RICH Double Row Angular-Contact Ball Bearing (40 x 57 x 24 mm) is an **A/C clutch bearing** with 2RS contact seals. High-quality interchange for NSK 40BD5720W.
The 40BG05S1 RICH is a specialized **Double Row Angular-Contact Ball Bearing** specifically engineered for the clutch pulley assembly of an automotive **Air Conditioner (A/C) compressor**. Manufactured by RICH, this unit is built for demanding operation, efficiently handling the combination of high rotational speeds, heavy radial forces, and bidirectional axial loads typical of the A/C clutch.
This model features **double-sided rubber contact seals (2RS)**, which provide superior, maintenance-free protection. The 2RS seals aggressively lock out moisture, dust, and road grime, while retaining the internal, high-performance lubricant. The **double row angular design** ensures excellent rigidity and load distribution, which is essential for maintaining the alignment and stability of the A/C clutch assembly. With precise dimensions of 40 x 57 x 24 mm (and an outer ring width of 20 mm), the 40BG05S1 RICH offers a high-quality, reliable direct interchange for references like NSK 40BD5720W.
The 40BG05S1 bearing is manufactured by RICH in China to meet stringent quality and dimensional standards, ensuring reliable interchangeability and performance.
Data sheet
The 40BG05S1 RICH Double Row Angular-Contact Ball Bearing (40 x 57 x 24 mm) is an **A/C clutch bearing** with 2RS contact seals. High-quality interchange for NSK 40BD5720W.
