ER-31C Performance Cylindrical OD Bearing 1/8" Shank Diameter The flexibility of a notched

The flexibility of a notched belt

Powder coated epoxy cast iron housing with extended inner ring bearings

Precision manufactured and static balanced to eliminate sprocket wobble

ESF-36T BMG

ER-31C Performance Cylindrical OD Bearing 1/8" Shank Diameter The flexibility of a notchedER 31C Mounted Insert Only Ball Bearing 52100 Bearing Steel, Black Oxided Setscrew Lock Features ER style cylindrical OD bearing with snap and with black oxided bearing rings Zone hardened inner ring with 120 spacing setscrew lock with diamond faceted setscrews Felt labyrinth seal and flinger for dry and dusty environment Unique land riding retainer design provides superior pocket clearance that allows for 360 grease circulation around the rolling