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Tram Chain


Tram chains are a unique roller chain style designed similarly to standard transmission roller chains but more specifically to feeder applications in continuous mining machinery. Mining tram chains are often used in a parallel two-strand configuration with flight bars (slats) placed between and connecting the chains. This configuration allows mined materials to be conveyed highly effectively with the slats. Our genuine tier-one tram chains directly interchange with other brands and utilize specific features and material grades to maximize strength, durability, and performance. For additional information or to get a quote on the tram chain, contact our customer service team; we will be happy to assist you!

Tram Chain Sizes


The chart below shows the standard sizes of tram chains; if you don't see the specific size you are using, don't hesitate to contact us.

Part # Style Pitch (A) Overall Width (J+K) Inside Width (W) Pin Dia. (L) Pin Material Bushing Dia. (B) Bushing Material Roller Dia. (T) Roller Material Sidebar Thickness (C) Sidebar Height (H) Sidebar Material Weight (LBS/ Ft)
JB2R B 2.00" 3.125" 1.250" 0.725" AHT 1.250" ACH -- -- 0.313" 1.875" AHT 8.9
JKM2 A 2.00" 3.380" 1.250" 0.720" AHT 1.130" ACH -- -- 0.310" 1.880" AHT 8.3
JKM645 B 2.50" 3.720" 1.500" 0.880" AHT 1.130" ACH 1.560" AHT 0.380" 2.130" AHT 13.5
JKM6414 B 2.50" 4.130" 1.500" 0.880" AHT 1.130" ACH 1.560" AHT 0.440" 2.130" AHT 14.5
64S A 2.50" 3.690" 1.500" 0.875" AHT 1.125" ACH 1.250" AHT 0.375" 2.125" AHT 13.5
64SM A 2.50" 4.130" 1.500" 0.875" AHT 1.125" ACH 1.250" AHT 0.438"* X 0.500" 2.125" AHT 14.5
JB2 B 2.00" 3.160" 1.125" 0.718" AHT 1.125" ACH -- -- 0.313" 1.875" AHT 8.3
JB2-2 B (Duplex) 2.00" -- 1.125" 0.718" AHT 1.125" ACH -- -- 0.313" 1.875" AHT 16.5
Notes:
  • Material AHT= Alloy Heat-Treated
  • Material ACH= Alloy Case Hardened
  • Inside Link Side Bar Thickness is Dimension 0.438"* on 64SM
  • JB2-2 Chain is a double-strand (Duplex) version of JB2


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