MroMax Roller Idler Bearing Pulley-3 x 15 x 4mm Sliding Conveyor Nylon Wheel with 623ZZ Bearing for Furniture, Hardware Accessories and Mobile Door White 4Pcs
【Wide Application】Widely used in transmission, instrumentation, electrical, household appliances, internal combustion engines, transport vehicles, agricultural machinery, construction machinery, engineering machinery, roller-skating shoes, yo-yo, etc.