Metric Single Strand Roller Chain

Chain Size	Pitch P mm	Roller diameter d1 max mm	Width between inner plates b1 min mm	Pin diameter d2 max mm	Pin length L max / Lc max mm		Inner plate depth h2 max mm	Plate thickness t/T max mm	Average tensile strength Q0 kN
05B-1	8.000	5.00	3.00	2.31	8.20	8.9	7.10	0.80	5.9
06B-1	9.525	6.35	5.72	3.28	13.15	14.10	8.20	1.30	10.4
08B-1	12.700	8.51	7.75	4.45	16.70	18.20	11.80	1.60	19.4
10B-1	15.875	10.16	9.65	5.08	19.50	20.9	14.70	1.70	27.5
12B-1	19.050	12.07	11.68	5.72	22.50	24.2	16.00	1.85	32.2
16B-1	25.400	15.88	17.02	8.28	36.10	37.4	21.00	4.15/3.1	77.1
20B-1	31.750	19.05	19.56	10.19	41.30	45.0	26.40	4.50/3.5	112.8
24B-1	38.100	25.40	25.40	14.63	53.40	57.8	33.20	6.00/4.8	178.0
28B-1	44.450	27.94	30.99	15.90	65.10	69.5	36.70	7.50/6.0	236.4
32B-1	50.800	29.21	30.99	17.81	66.00	71.0	42.00	7.00/5.0	277.5
40B-1	63.500	39.37	38.10	22.89	82.20	89.2	52.96	8.50/8.0	394.0
48B-1	76.200	48.26	45.72	29.24	99.10	107.00	63.80	12.00/10.0	621.6
56B-1	88.900	53.98	53.34	34.32	114.60	123.00	77.80	13.50/12.0	940.0
64B-1	101.600	63.50	60.96	39.40	130.00	138.50	90.17	15.00/13.0	1240.0
72B-1	114.300	72.39	68.58	44.48	147.40	156.40	103.60	17.00/15.0	1550.0

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