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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