of spacer by table 6.2 nut tightening force bearing bore diameter nut tightening ... force front cover drive-up mm n mm 20 25 2940 ... 1 ntn has specified the nut tightening forces in this table based on experiences from ... mm or larger thus the nut tightening forces in parentheses are estimated values ... note 2 when the fitting amount between a shaft and an inner ... ring is large the tightening force needed is about twice as large as the ... calculated press-fitting force of the inner ring tightening force when ... incorporating a bearing into a main spindle the bearing must be ... correctly forced into a predetermined position and maintained ... with a predetermined bearing pressure in order to maintain appropriate ... clearances and rigidities of the bearing and main spindle when axially locating ...
adjustment for cylindrical roller bearing when incorporating a cylindrical roller ... bearing into a main spindle of a machine tool such ... clearance the inner ring of the bearing usually has a tapered bore the internal ... clearance is adjusted by fitting the tapered bore bearing onto the ... of the main spindle and driving the bearing in the axial direction to expand the ... of clearance measurement for each bearing and adjustment with a spacers and a ... method with a post-mounting internal clearance adjustment gage ex 2 ... housing outside diameter dh 200 outer ring ... 150/200 2 0.0015 6.11 2 measurement of bearing position and bearing radial clearance ... on a temporarily mounted bearing ˇmount the bearing inner ring with the ... shaft see fig 6.18 in this process force the inner ring until its tapered bore ...