ESF-36 GCS Gold Line Performance Expansion Four Bolt Flange Bearing (Pack of 5pcs) 3-3/8" ID The diamond particles are fused

The diamond particles are fused to the steel core for protection

EMSF-23T HI

When run with standard stock spur gears

CRTBC-PN16

The Air Bullet™  is an innovative "push to activate" design that allows for cleaning of tubing and holes

ESF-36 GCS Gold Line Performance Expansion Four Bolt Flange Bearing (Pack of 5pcs) 3-3/8" ID The diamond particles are fusedESF 36 GCS Mounted Cast Iron Four Bolt Flange Ball Bearing 52100 Bearing Steel, Black Oxided Setscrew Lock High Temperature Features Powder coated epoxy cast iron housed, extended inner ring bearings in expansion ring allowing for axial expansion Zone hardened inner ring with 120 spacing setscrew locking with diamond faceted setscrews Felt labyrinth seal and flinger for dry and dusty environment Unique land riding retainer design provides superior