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by jdanke
Fri Nov 17, 2017 11:06 am
Forum: Milling Machines
Topic: Rockwell 21-100 Spindle Lubrication
Replies: 2
Views: 1514

Re: Rockwell 21-100 Spindle Lubrication

The original bearings are/were greased with shields and not intended to be oiled. The originals are deep-groove 'Conrad' bearings that were custom ground for preload and are installed next to each other with the inner shields removed (MRC 108KSF). Some folks will clean and regrease the bearings. Oth...