MSF-40 Gold Line Four Bolt Flange Bearing Medium Duty 120mm Bowl Material Polycarbonate (standard) or

Bowl Material Polycarbonate (standard) or Aluminum Metal (option)

CRFS-PN22 RMW

CRPS-PN20R

These chucks contain either open or closed checks

Sheaves are bored to accept "H" style QD bushings

MSF-40 Gold Line Four Bolt Flange Bearing Medium Duty 120mm Bowl Material Polycarbonate (standard) orMSF 40 Mounted Cast Iron Four Bolt Flange Ball Bearing 52100 Bearing Steel, Black Oxided Setscrew Lock Features Powder coated epoxy cast iron housing with extended inner ring bearings Zone hardened inner ring with 120 spacing setscrew locking with diamond faceted setscrews Unique land riding retainer design provides superior pocket clearance that allows for 360 grease circulation around the rolling elements resulting in better retained and utilized