5x9x3 Ceramic Metal | 4 Pack

4 pack of our 5x9x3 Ceramic Metal bearing

The 5x9x3 Ceramic Metal Bearing (MR95ZZC) is a traditional steel balls"gr_ gr_15 gr-alert gr_spell gr_inline_cards gr_run_anim ContextualSpelling multiReplace" id="15" data-gr-id="15">high quality steel/chrome bearing with metal shields and silicon nitride ceramic balls (Si3N4). These bearings have been tested and proven by many racers.

A ceramic can spin at higher traditional steel balls"gr_ gr_8 gr-alert gr_spell gr_inline_cards gr_run_anim ContextualSpelling ins-del multiReplace" id="8" data-gr-id="8">rpms with less drag and the life of the bearing is far greater than a steel bearing but in our traditional steel balls"gr_ gr_12 gr-alert gr_gramm gr_inline_cards gr_run_anim Punctuation only-ins replaceWithoutSep" id="12" data-gr-id="12">industry we suggest that you maintain them with oil or grease every once in a while. Another benefit to ceramics is the weight difference in the balls allowing for less rotating mass.