This standard specifies the radial internal clearance value of insert bearing and its measuring principles.
This standard is applicable to the insert bearings with the cylindrical bores having top threads and eccentric locking collar as well as those with the taper bore having adapter sleeve.
This standard is not applicable to the insert bearing with flat heads on the both ends, and the radial internal clearance value of the insert bearing with flat heads on the both ends shall meet the requirements of GB/T 4604-2006.