Track rollers with spherical profile - CRPN45Z CRPN45ZH1 CRPNX45R CR45BC Track roller series CRPN45... are precision ball bearings that they are generally used in precision linear motion guide. They are supplied with rubber seals and metal shields respectively, and are also available with concentric pivots and eccentric pivots.
Material: Bearings: High quality chromium steel or martensitic stainless steel. e.g. 100Cr6 SUS440C Pivot: High quality carbon steel or stainless steel. e.g. 1045 SUS304
