NTN Main Spindle Bearings

Angular Contact Ball Bearings for Axial Loads CONTENTS. 11. Angular DB series. Bearing type. Initial contact angle. 60°. 40°，30°. Cage material. Features.

Precision Rolling Bearings - NTN

reference dimensions used are shaft diameters da and db. For example, when using a JIS class 5 bearing for a dia. 50 mm shaft, the tolerance of roundness is t

NTN Global | bearings, driveshafts, and precision equipments

This is the official website of NTN. On this site you can find information on bearings, driveshafts, precision equipments, and NTN's other products. It also provides

Precision Rolling Bearings - NTN SNR

reference dimensions used are shaft diameters da and db. For example, when using a JIS class 5 bearing for a dia. 50 mm shaft, the tolerance of roundness is t