1174827 | ORB-05687-178-N90-035 (Pack of 1000) --- General Purpose O-Rings - 56.87x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring M17x19x300 Stainless Alternative 682X-MC3-AF12

Stainless Alternative 682X-MC3-AF12

A6R51M037060

3214P552517

90 tooth - 170 mm - Determined by Taperlock Metric Timing Pulleys - Cast Iron - Sold per Each:

1174827 | ORB-05687-178-N90-035 (Pack of 1000) --- General Purpose O-Rings - 56.87x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring M17x19x300 Stainless Alternative 682X-MC3-AF1256. 87x1. 78 mm Black General Purpose O Rings Nitrile (NBR, BUNA N) Sold Per 1000: Base Category: O Rings General Purpose Top Level Category: O Rings General Purpose Nitrile Rubber Bulk Product Details Inside Diameter (ID): 56. 87mm (56. 87mm is 2. 239 in.) Nitrile (NBR, BUNA N) Inside Diameter (ID): 56. 87mm (56. 87mm is 2. 239 in.) Section (t): 1. 78mm (1. 78mm is 0. 07 in.) Colour: Black Hardness: 90 Durometer Brand: MBA Country of Origin: TW