B-Series Roller Chain

Part Number	Pitch, P	Roller diameter, d1	Width between inner plates, b1	Pin diameter, d2	Pin length, L	Pin length, Lc	Inner plate depth, h2	Plate thickness, t / T	Transverse pitch, Pt	Ultimate tensile strength	Average tensile strength	lbs/ft
*RC-06B-1 (nl)	0.38 in.	0.25 in.	0.23 in.	0.13 in.	0.52 in.	0.56 in.	0.32 in.	0.05 in.	N/A	2,045 lbs.	2,338 lbs.	0.27 lbs/ft
*RC-06B-2 (nl)	0.38 in.	0.25 in.	0.23 in.	0.13 in.	0.92 in.	0.96 in.	0.32 in.	0.05 in.	0.4 in.	3,841 lbs.	4,204 lbs.	0.52 lbs/ft
RC-04B-1 (nl)	0.24 in.	0.16 in.	0.11 in.	0.07 in.	0.27 in.	0.31 in.	0.20 in.	0.02 in.	N/A	682 lbs.	719 lbs.	0.07 lbs/ft
RC-05B-1 (nl)	0.31 in.	0.20 in.	0.12 in.	0.09 in.	0.32 in.	0.35 in.	0.28 in.	0.03 in.	N/A	1,136 lbs.	1,326 lbs.	0.13 lbs/ft
RC-05B-2 (nl)	0.31 in.	0.20 in.	0.12 in.	0.09 in.	0.55 in.	0.57 in.	0.28 in.	0.03 in.	0.2 in.	1,773 lbs.	2,293 lbs.	0.22 lbs/ft
RC-08B-1 (nl)	0.50 in.	0.34 in.	0.31 in.	0.18 in.	0.66 in.	0.72 in.	0.46 in.	0.06 in.	N/A	4,091 lbs.	4,361 lbs.	0.46 lbs/ft
RC-08B-2 (nl)	0.50 in.	0.34 in.	0.31 in.	0.18 in.	1.23 in.	1.27 in.	0.46 in.	0.06 in.	0.5 in.	7,273 lbs.	8,700 lbs.	0.90 lbs/ft
RC-10B-1 (nl)	0.63 in.	0.40 in.	0.38 in.	0.20 in.	0.77 in.	0.82 in.	0.58 in.	0.07 in.	N/A	5,091 lbs.	6,182 lbs.	0.62 lbs/ft
RC-10B-2 (nl)	0.63 in.	0.40 in.	0.38 in.	0.20 in.	1.42 in.	1.48 in.	0.58 in.	0.07 in.	0.6 in.	10,114 lbs.	12,634 lbs.	1.24 lbs/ft
RC-12B-1 (nl)	0.75 in.	0.48 in.	0.46 in.	0.23 in.	0.89 in.	0.95 in.	0.63 in.	0.07 in.	N/A	6,591 lbs.	7,239 lbs.	0.77 lbs/ft
RC-12B-2 (nl)	0.75 in.	0.48 in.	0.46 in.	0.23 in.	1.65 in.	1.72 in.	0.63 in.	0.07 in.	0.7 in.	13,136 lbs.	14,860 lbs.	1.55 lbs/ft
RC-16B-1 (nl)	1.00 in.	0.63 in.	0.67 in.	0.33 in.	1.42 in.	1.47 in.	0.83 in.	0.16 / 0.12 in.	N/A	13,636 lbs.	16,366 lbs.	1.82 lbs/ft
RC-16B-2	1.00 in.	0.63 in.	0.67 in.	0.33 in.	2.68 in.	2.73 in.	0.83 in.	0.16 / 0.12 in.	1.2 in.	24,091 lbs.	29,900 lbs.	3.64 lbs/ft
RC-20B-1 (nl)	1.25 in.	0.75 in.	0.77 in.	0.40 in.	1.63 in.	1.77 in.	1.04 in.	0.18 / 0.14 in.	N/A	21,591 lbs.	23,987 lbs.	2.49 lbs/ft
RC-20B-2 (nl)	1.25 in.	0.75 in.	0.77 in.	0.40 in.	3.06 in.	3.21 in.	1.04 in.	0.18 / 0.14 in.	1.4 in.	38,636 lbs.	47,480 lbs.	4.84 lbs/ft
RC-24B-1 (nl)	1.50 in.	1.00 in.	1.00 in.	0.58 in.	2.10 in.	2.28 in.	1.31 in.	0.24 / 0.19 in.	N/A	36,364 lbs.	40,015 lbs.	4.77 lbs/ft
RC-24B-2	1.50 in.	1.00 in.	1.00 in.	0.58 in.	4.00 in.	4.18 in.	1.31 in.	0.24 / 0.19 in.	1.9 in.	63,636 lbs.	71,760 lbs.	9.00 lbs/ft
RC-28B-1 (nl)	1.75 in.	1.10 in.	1.22 in.	0.63 in.	2.56 in.	2.74 in.	1.44 in.	0.3 / 0.24 in.	N/A	45,455 lbs.	49,907 lbs.	5.71 lbs/ft
RC-28B-2	1.75 in.	1.10 in.	1.22 in.	0.63 in.	4.91 in.	5.08 in.	1.44 in.	0.3 / 0.24 in.	2.3 in.	81,818 lbs.	91,452 lbs.	11.15 lbs/ft
RC-32B-1 (nl)	2.00 in.	1.15 in.	1.22 in.	0.70 in.	2.60 in.	2.80 in.	1.65 in.	0.28 / 0.24 in.	N/A	56,818 lbs.	62,384 lbs.	6.89 lbs/ft
RC-32B-2 (nl)	2.00 in.	1.15 in.	1.22 in.	0.70 in.	4.91 in.	5.10 in.	1.65 in.	0.28 / 0.24 in.	2.3 in.	102,273 lbs.	114,315 lbs.	14.11 lbs/ft
RC-40B-1 (nl)	2.50 in.	1.55 in.	1.50 in.	0.90 in.	3.24 in.	3.51 in.	2.09 in.	0.33 / 0.31 in.	N/A	80,682 lbs.	88,574 lbs.	10.99 lbs/ft
RC-40B-2 (nl)	2.50 in.	1.55 in.	1.50 in.	0.90 in.	6.08 in.	6.36 in.	2.09 in.	0.33 / 0.31 in.	2.8 in.	143,182 lbs.	160,041 lbs.	21.50 lbs/ft
RC-48B-1 (nl)	3.00 in.	1.90 in.	1.80 in.	1.15 in.	3.90 in.	4.21 in.	2.51 in.	0.47 / 0.39 in.	N/A	127,272 lbs.	139,741 lbs.	16.80 lbs/ft
RC-48B-2 (nl)	3.00 in.	1.90 in.	1.80 in.	1.15 in.	7.50 in.	7.80 in.	2.51 in.	0.47 / 0.39 in.	3.5 in.	227,272 lbs.	254,034 lbs.	33.60 lbs/ft