The product is no noise, have a long life and a very good quality. Otherwise it is very convenient.
Other
Specifications:
Product Name Ball Bearing Model 6200Z Material Chrome Steel Color Silver Tone Inner Diameter 10mm / 25/64" Outer Diameter 30mm / 1 2/11" Width 9mm / 5/14" Net Weight 32g Package Content 1 x Ball Bearing Description: