THK Roller Follower (NART type) NART20VR 1 piece

Catalog number: NART20VR Features: ●A precision-caged needle roller is built into the outer ring, preventing skew, providing excellent rotational performance, and being able to withstand high-speed rotation. Applications: ●For cam mechanisms in automatic and special-purpose machines, and various conveying devices. Specifications: ●Inner diameter (mm): 20 ●Outer diameter (mm): 47 ●di (mm): 20 ●D (mm): 47 ●B (mm): 25 ●C (mm): 24 ●a (mm): 38 ●Non-separable type ●Usage temperature range: -15 to 80°C Material/Finish: ●Carbon steel