All Categories > Cam Followers / Yoke Rollers > HR-C, HR-XC Heavy Stud Crowned Screwdriver Slot > Item # HR-3 1/2-XC Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # HR-3 1/2-XC, HR-C, HR-XC Heavy Stud Crowned Screwdriver Slot List Price QUOTE Cam Followers are anti-friction needle bearings developed for use in cam or track roller applications. They consist of a heavy outer ring cross section with a full complement of needle rollers. They offer high dynamic and static load carrying capability in a compact design. Cam Followers are offered in many design alternatives. Heavy Stud types are preferred for high-loads and/or heavy shock applications. The crowned style cam follower is used where the track may not be exactly aligned and square with the cam follower. Available in stainless steel and with seals. larger image larger image Unit of Measure: Imperial Specifications Drive Type Screw-Driver Slot Type Sealed (D) Roller OD 3.500 in (B) Roller Width 2.000 in (A) Stud Dia. 1.7500 in (M) Stud Length 2 3/4 in (S) Eff. Thread Min. 1 3/8 in (T) Thread UNF Class 2A 1 3/4-12 (N) Oil Hole Location 11/16 (H) Oil Hole Dia. 5/32 in (P) Lube Fitting Size 1/4 Min Boss. Dia. 1 15/16 Recomm. Bore 1.7500 in Recomm. Torque 6000 lb·in Basic Dynamic Rating 29660 lb Max. Static Capacity 63300 lb (R) Crown Radius 30 in Configuration Crowned Outer Race McGill P/N CFH - 3 1/2-S RBC P/N H-112 -S DOWNLOADS Stud & Yoke Type Cam Follower Interchange Tables (PDF, 1335KB) Stud & Yoke Type Cam Follower General Information (PDF, 633KB)