40BB17H 5/8 MSG

Martin idlers are smooth-running and available in oil-impregnated, sintered bronze, extra-duty bearing press-fitted in sprocket and a hardened steel journal case for maximum resistance to wear. Steel sprockets used in Martin idlers are accurately machined (not stamped) the same as sprockets normally supplied for power transmission use. Martin can also alter existing sprockets and install bearings to make custom idlers.

Martin Idler Roller Chain Sprocket, Ball Bearing Type A, Series: BB-H, 5/8 in Bore Dia, 2.97 in Outside Dia, 40 Chain, 17 Teeth, 1/2 in Pitch, 2.721 in, 2.042 in Hub Dia, 0.72 in Length Through Bore, Steel