#滚轮轴承 (2)

Linear Guide Carriage - Redi-Rail RRS30 w/ 3 Steel Roller Bearings - Width: 30mm

滑架Redi-Rail滚轮轴承预载可调

V-Wheel Steel Roller Bearing VW1 V-Guide Size 1 - Outer Diameter 20mm

V轮V-Guide滚轮轴承淬硬