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π’ Balls: Silicon nitride ceramic (Si3N4) for ultra-low friction
outer diameter is 3/8" inch and width is 1/8" inch
measures an inner diameter of 4"
Shaft Diameter: 1 9/16" inch
NN3009M Cylindrical Roller Bearing 45x75x23mm Linear Motion Shafts Diameter π’ Balls: Silicon nitride ceramicNN3009M Cylindrical Roller Bearing 45mm x 75mm x 23mm One Bearing NN3009M Cylindrical Roller Bearing and Removable Inner Ring, made from durable 52100 alloy steel, commonly known as chrome steel, Bearing inner diameter is 45mm, Bearing outer diameter is 75mm and Bearing width is 23mm. NN3009M Ball Bearing Cylindrical Roller Bearing Cage: BRONZE Size: 45mm x 75mm x 23mm Bearing Inner Diameter: 45mm Bearing Outer Diameter: 75mm Bearing Width: 23mm
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