Double pitch roller chains to ISO 1275

Double pitch roller chains according to ISO 1275 (old standard DIN 8181) correspond to short-link chains apart from the pitch and follow identical standard specifications in their dimensions for the round parts (pins, bushes and rollers). The difference between double pitch roller chains and standard roller chains is the use of double pitch link plates. In contrast to short-link chains to ISO 606, these chains are intended for use under different loads in terms of speed and power transmission. In the American standard chain range, there are also versions with normal link plate thickness and reinforced link plates as well as variants with different roller sizes.

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The advantages of roller chains

Wide range of applications as drive, conveyor and lifting chains
Fulfillment of versatile functions with attachments for special chains
Robustness against temperature influences and soiling
Positive transmission without slippage
Economic efficiency
Wide range of chain sizes as well as single and multiple chains
Versatile transmission ratios
Large shaft spacing can be realized, e.g. in conveyor systems
Announcement of the service life limit through chain elongation
Easy lengthening and shortening
Drive and output possible on both sides
No preload = no static bearing load
Fire safety
also available in galvanized, nickel-plated, stainless steel

Call up dimension table

to our inquiry sketches

Call up dimension table

to our inquiry sketches

Double pitch roller chains – dimension table

Inner link B	Outer link A	Connection member with spring E	Connection link with wire G	Connection link with split pin S	Cranked Limb with split pin L	Cranked Double member C

Double pitch roller chains, American standard
DIN / ISO Chain no.	p	b1 min.	d1 max.	d2 max.	b2 max.	g max.	a1 max.	a3 max.	A max.	Breaking force N min.	S G	C	E	L
208 A	25,4	7,85	7,95	3,96	11,15	11,5	16,5	19,8	0,44	14100	x	x	x	x
210 A	31,75	9,4	10,2	5,08	13,8	14,5	20,7	24,5	0,7	22200	x	x	x	x
212 A	38,1	12,57	11,9	5,94	17,7	16,8	25,6	29,6	1,05	31800	x	x	x	x
216 A	50,8	15,75	15,9	7,92	22,5	21,4	32,7	37,4	1,78	56700	x	x		x

Double pitch roller chains, European standard
DIN / ISO Chain no.	p	b1 min.	d1 max.	d2 max.	b2 max.	g max.	a1 max.	a3 max.	A max.	Breaking force N min.	S G	C	E	L
208 B	25,4	7,75	8,51	4,45	11,3	11,5	16,9	20,3	0,5	18000	x	x	x	x
210 B	31,75	9,65	10,16	5,08	13,28	14,5	19,1	23,2	0,67	22400	x	x	x	x
212 B	38,1	11,68	12,07	5,72	15,62	15,9	22,1	26	0,89	29000	x	x	x	x
216 B	50,8	17,02	15,88	8,28	25,4	21,4	35,5	41,9	2,1	60000	x	x		x

Inner link B	Outer link A	Connection member with spring E	Connection link with wire G	Connection link with split pin S	Cranked link with split pin L	Cranked double member C

Double pitch roller chains with straight link plates, am.standard
DIN / ISO Chain no.	p	b1 min.	d1 max.	d2 max.	b2 max.	g max.	a1 max.	a3 max.	A max.	Breaking force N min.	s G	C	E	L
C2040	25,4	7,85	7,95	3,96	11,15	11,5	16,9	20,3	0,44	14100	x	x	x	x
C2050	31,75	9,4	10,2	5,08	13,8	14,5	20,7	24,5	0,7	22200	x	x	x	x
C2060H	38,1	12,57	11,9	5,94	19,4	16,8	28,8	32,9	1,15	31800	x	x	x	x
C2080H	50,8	15,75	15,9	7,92	24,2	22,8	36	39,4	1,92	56700	x	x

Inner link B	Outer link A	Connection member with spring E	Connection link with wire G	Connection link with split pin S	Cranked link with split pin L	Cranked Double link C

Langgl. Roller chains w. ger. Lugs and castors, American standard
DIN / ISO Chain no.	p	b1 min.	d1 max.	d2 max.	b2 max.	g max.	a1 max.	a3 max.	A max.	Breaking force N min.	S G	C	E	L
C2042	25,4	7,85	15,9	3,96	11,15	11,5	16,5	20,3	0,44	14100	x	x	x	x
C2052	31,75	9,4	19,1	5,08	13,8	14,5	20,7	24,5	0,7	22200	x	x	x	x
C2062H*	38,1	12,57	22,2	5,94	19,4	16,8	28,8	32,9	1,15	31800	x	x	x	x
C2082H*	50,8	15,75	28,6	7,93	24,2	22,8	36	39,4	1,92	56700	x	x
* also available with Delrin rollers A = joint surface Links A and B available for all chains

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