Chain designation	Pitch (mm)	Roller diameter (mm)	Width between inner plates (mm)	Pin diameter (mm)	Pin length (mm)	Width of the inner plate (mm)	b max (mm)	Load to failure (kN)	Weight of 1 m (kg/m)
2НП-25.4	25.4	15.88	15.88	7.95	68	24.13	22	130	5.6
2ТП-25.4	25.4	15.88	15.88	7.95	75	24.13	24	130	6.4
2НП-31.75	31.75	19.05	19.05	9.55	82	30.18	26	200	8.4
2ТП-31.75	31.75	19.05	19.05	9.55	89	30.18	28	200	9.4
2НП-38.1	38.1	22.23	25.40	11.12	103	36.10	31	300	12.4
2ТП-38.1	38.1	22.23	25.40	11.12	110	36.10	32	300	13.4
2НП-44.45	44.45	25.40	25.40	12.72	110	42.24	34	418	16.0
2ТП-44.45	44.45	25.40	25.40	12.72	116	42.24	36	418	17.4
2НП-50.8	50.8	28.58	31.75	14.29	128	48.26	39	526	21.4
2ТП-50.8	50.8	28.58	31.75	14.29	135	48.26	42	526	22.8
2НП-57.15	57.15	35.70	35.72	17.45	144	54.00	42	680	28.0
2ТП-57.15	57.15	35.70	35.72	17.45	152	54.00	44	680	32.0
2НП-63.5	63.5	39.67	38.10	19.85	160	60.32	48	860	34.8
2ТП-63.5	63.5	39.67	38.10	22.20	173	60.32	52	1040	40.0