Assertion: drum spindle | /r/HasAspect | same 4 bolt backplate pattern
Facets:
Source sentences:
text: The larger drum spindle (shown on right) from 1970+ also has the same 4 bolt backplate pattern as used on the earlier small spindles but now has a larger spindle diameter and uses A12 and A13 bearings with nut size of 13/16 inch.