We EPG group one of the Biggest Chain and sprocket manufacturer in China. We provide you most type of industry chains, agricultural chains, conveyor chains and related sprockets etc……..

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This Standard roller chain is available with pitches from 1/2 to 3 inches. Chain numbers are determined by multiplying the pitch by 80 (a 1/2 inch pitch chain would be a No. 40 chain). A hyphenated suffix indicates multiple strands.With many years’ experience in these lines, we have been distinguished from other suppliers in China by our advantages in competitive pricing, on-time delivery, prompt responses, on-hand engineering support and good after-sales services. As a result, we have become a comprehensive manufacturer in the motion and control field providing an extensive lineup of products with superior durability, environment-friendliness, and quality.2BK45 Pulley 1-1/8″ bore is directly interchangeable with other manufacturers v-belt pulleys, it is 4.25″ in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. double BK pulleys work with belt types A, 4L, B, 5L, AX, BX, AA, BB, double banded A, double banded B, and double banded BX cogged