Yoke-Type Cam Follower (Track Roller/Cam Roller) 6300070 - 2" OD SealedSealed cam roller (yoke type cam follower) with a 2 outer diameter (OD), made for track roller applications involving moderate loads and intermittent shock. Yoke not included. High carbon chrome bearing steel material ensures reliable performance in elevated operating environments (up to 275F 135C) while delivering smooth rolling contact along cam profiles or track surfaces. Yoke not included Sealed bearing retains lubrication and prevents