2pcs/10pcs 6903 Si3N4 ceramic bearings 17x30x7 mm silicon nitride Ceramic ball bearing 17*30*7mm
Technical Details
Brand Name: | WINSHAFT |
Material: | Si3N4 ceramic |
Model Number: | 6903 |
Size: | 17x30x7 mm |
Use: | full Ceramic ball bearing |
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