... two. Tapered bore taper 1:12, respectively, the post code for the K,-aligning roller bearings (153 000 ... or 113 000-type) and 1:30 of the post code-named K30 aligning roller bearings. Such bearings ... along the axial movement of bearing radial clearance.The post code-named K, K30 conical bore spherical roller bearings ... , adapter installed in the match put on, then a post code for the K + H-type and K30 + ...