M810-16 660 Cast Bronze Sleeve Bearing 1/4" Bore Click here for spec sheet:

Click here for spec sheet: UCFCS Spec Sheet

and internal gears

just has eccentric locking insert instead of set screw

All Stainless Steel

these gears are available only in brass

M810-16 660 Cast Bronze Sleeve Bearing 1/4" Bore Click here for spec sheet:Bear N Bronz is Boston Gears general purpose, cast, solid bronze bearing material. It is a high grade, leaded tin bronze, having good hardness, strength, wear resistance and exceptional anti friction qualities. It is particularly suited for moderate to heavy loads at normal to relatively high speeds. All parts are rigidly inspected to assure freedom from porosity and conformance to dimensional tolerances. In addition, our standard product offering,