inch size ball bearings 1.Within 35 days except for first order 2. ... manufacturing history 3.Long life 4.OEM service inch size ball bearingsPrincipal dimensions(mm)Basic load ratingsMassDesignationsdynamic(N)static(N)d ... wheels (both rear and frond), variable speed devices, differential mechanisms, small gear shafts, machine tool spindles ,construction machines , large-size agricultural ...