Double Pitch Roller Chain 

DIN/ISO Chain No.	ANSI Chain No.	Pitch P (mm)	Roller diameter d1 max(mm)	Width between inner plates b1 min(mm)	Pin diameter d2 max(mm)	Pin length L max(mm)	Pin length Lc max(mm)	Inner plate depth h2 max(mm)	Plate thickness t/T max(mm)	Average tensile strength Q0(kN)
208A	2040	25.40	7.95	7.85	3.96	16.6	17.8	12.00	1.50	16.70
208B		25.40	8.51	7.75	4.45	16.7	18.2	11.80	1.60	19.40
210A	2050	31.75	10.16	9.40	5.08	20.7	22.2	15.00	2.03	28.10
210B		31.75	10.16	9.65	5.08	19.5	20.9	14.70	1.70	27.50
212A	2060	38.10	11.91	12.57	5.94	25.9	27.7	18	2.42	36.80
212B		38.10	12.07	11.68	5.72	22.5	25.2	16	1.85	32.20
216A	2080	50.80	15.88	15.75	7.92	32.7	36.5	24	3.25	65.70
216B		50.80	15.88	17.02	8.28	36.1	39.1	21	4.15/3.1	72.80
220A	2100	63.50	19.05	18.90	9.53	40.4	44.7	30	4.00	102.60
220B		63.50	19.05	19.56	10.19	41.3	45.0	26.4	4.5/3.5	106.70
224A	2120	76.20	22.23	25.22	11.10	50.3	54.3	35.7	4.80	147.30
224B		76.20	25.40	25.40	14.63	53.4	57.8	33.2	6.0/4.8	178.00
228B		88.90	27.94	30.99	15.90	65.1	69.5	36.7	7.5/6.0	222.00
232B		101.60	29.21	30.99	17.81	66.0	71.0	42	7.0/6.0	277.50
208AH	2040H	25.40	7.95	7.85	3.96	18.8	19.9	12	2.03	16.70
210AH	2050H	31.75	10.16	9.40	5.08	22.1	23.8	15	2.42	28.10
212AH	2060H	38.10	11.91	12.57	5.94	29.2	31.0	18	3.25	36.80
216AH	2080H	50.80	15.88	15.75	7.92	36.2	39.4	24	4.00	70.00
220AH	2100H	63.50	19.05	18.90	9.53	43.6	47.2	30	4.80	102.60
224AH	2120H	76.20	22.23	25.22	11.10	53.5	57.5	35.7	5.60	147.30