China Bearing bearing owns more than 35 PCS discount NSK bearings HR32972J in stock for sale with 30% off! Operating clearance gives great influences on the performances and service life of bearings. Thus, it is recommended to select the operating clearance is slightly positive, while the lower limited value of the operating clearance range of a roller bearing is slightly positive. It is important to take specific operating conditions into consideration and select a clearance suitable for the condition.