BS Standard Roller Chain

The TransDrive BS Standard Roller Chain range has been designed to meet the diverse needs of industrial applications, offering robust construction and dependable performance. With their standardised British Standard (BS) design, these chains ensure compatibility and interchangeability across a wide range of machinery and equipment.

Whether driving conveyor systems, powering machinery, or supporting manufacturing processes, TransDrive BS Standard Roller Chains deliver exceptional reliability and efficiency. Built to withstand the demands of industrial environments, these chains provide consistent performance, day in and day out.

Configurations

Simplex (single strand)
Duplex (double strand)
Triplex (triple strand)

Product Specifications

05B – 06B Standard Roller Chain

BS Chain No.	Pitch P	Roller Diameter max Dr	Width Between Inner Plates min W	Pin Diameter max D	Plate Thickness max T1	Plate Thickness max T2	Inner Plate Depth max H	Outer Plate Depth max h
05B	8.0	5.0	3.0	2.31	0.80	0.80	7.11	7.11
06B	9.525	6.35	5.72	3.28	1.30	1.30	8.26	8.26

05B – 06B Size Chart (mm)

BS Chain No.	Pin Length L max	Pin Length Dc max	Pin Length L1 max	Pin Length L2 max	Pin Length L3 max	Transverse Pitch C	Average Tensile Strength kN	Tensile Strength min kN	Weight Per Meter kg/m	Ultimate Tensile Strength Q (ISO/DIN) min kN	Average Tensile Strength Q0 kN
05B-1	8.60	9.10	4.30	4.80	9.90	5.64	5.75	4.40	0.19	5.68	4.40
05B-2	14.30	14.80	7.15	7.65	16.40	5.64	9.80	7.80	0.37	9.21	7.80
05B-3	19.90	20.40	9.95	10.45	22.00	5.64	13.60	11.10	0.49
06B-1	13.50	14.40	6.75	7.65	14.60	10.24	9.80	8.90	0.44	8.92	1.77
06B-2	23.80	24.47	11.90	12.57	24.70	10.24	18.00	16.90	0.85	16.90	2.90
06B-3	34.00	34.50	17.00	17.50	34.70	10.24	28.80	24.90	1.26	24.90	4.20

05B – 06B Load Ratings

08B – 16B Standard Roller Chain

BS Chain No.	Pitch P	Roller Diameter max Dr	Width Between Inner Plates min W	Pin Diameter max D	Plate Thickness max T1	Plate Thickness max T2	Inner Plate Depth max H	Outer Plate Depth max h
08B	12.70	8.51	7.75	4.45	1.6	1.6	11.81	10.92
10B	15.875	10.16	9.65	5.08	1.7	1.7	14.73	13.72
12B	19.05	12.07	11.68	5.72	1.85	1.85	16.13	16.13
16B	25.40	15.88	17.02	8.28	3.10	4.15	21.08	21.08

08B – 16B Size Chart (mm)

BS Chain No.	Pin Length L max	Pin Length Dc max	Pin Length L1 max	Pin Length L2 max	Pin Length L3 max	Transverse Pitch C	Average Tensile Strength kN	Tensile Strength min kN	Weight Per Metre kg/m	Ultimate Tensile Strength Q (ISO/DIN) min kN	Average Tensile Strength Q0 kN
08B-1	17.00	18.50	8.50	10.00	18.80	13.92	18.60	17.80	0.75	17.80	3.14
08B-2	31.00	32.50	15.50	17.00	33.80	13.92	35.00	31.10	1.45	31.10	5.35
08B-3	44.90	46.40	22.45	23.95	47.80	13.92	48.80	44.50	2.15	44.50	7.85
10B-1	19.60	21.05	9.80	11.25	21.35	16.59	25.60	22.20	1.05	22.30	4.90
10B-2	36.20	37.65	18.10	19.55	39.65	16.59	50.20	44.50	2.05	44.50	8.33
10B-3	52.80	54.20	26.40	27.80	56.30	16.59	75.80	66.70	3.15	66.70	12.20
12B-1	22.70	24.35	11.35	13.0	25.05	19.46	30.30	28.90	1.28	28.90	7.06
12B-2	42.20	43.80	21.10	22.70	46.50	19.46	60.30	57.80	2.56	57.80	12
12B-3	61.70	63.30	30.85	32.45	66.20	19.46	91.00	86.70	3.89	86.70	17.60
16B-1	36.10	37.95	18.05	19.90	39.05	31.88	68.80	60.00	2.72	60.80	16.40
16B-2	68.00	69.90	34.00	35.90	73.90	31.88	136.00	106.00	5.45	106	21.40
16B-3	99.90	101.80	49.95	51.85	106.00	31.88	205.60	160.00	8.06	160	31.50

08B – 16B Load Ratings

20B – 28B Standard Roller chain

BS Chain No.	Pitch P	Roller Diameter max Dr	Width Between Inner Plates min W	Pin Diameter max D	Plate Thickness max T1	Plate Thickness max T2	Inner Plate Depth max H	Outer Plate Depth max h
20B	31.75	19.05	19.56	10.19	3.7	4.6	26.42	26.42
24B	38.10	25.40	25.40	14.63	5.2	6.0	33.40	33.40
28B	44.45	27.94	30.99	15.90	6.3	7.5	37.08	37.08

20B – 28B Size Chart (mm)

BS Chain No.	L max	Dc max	Pin Length L1 max	Pin Length L2 max	Pin Length L3 max	Transverse Pitch C	Average Tensile Strength kN	Tensile Strength min kN	Weight Per Meter kg/m	Ultimate Tensile Strength Q (ISO/DIN) min kN	Average Tensile Strength Q0 kN
20B-1	43.20	44.67	21.60	23.07	48.57	36.45	108.60	95.00	3.99	95.10	25.50
20B-2	79.70	81.07	39.85	41.22	86.57	36.45	208.40	170.00	7.93	170	33.30
20B-3	116.10	117.40	58.05	59.35	123.15	36.45	285.30	250.00	11.82	250	49
24B-1	53.4	58.20	26.70	31.5	62.30	48.36	176.80	160.00	7.55	161	35.70
24B-2	101.8	106.65	50.9	55.75	112.95	48.36	322.60	280.00	14.75	280	46.80
24B-3	150.2	155.2	75.1	80.1	161.50	48.36	489.50	425.00	21.90	425	68.80
28B-1	65.10	70.00	32.55	37.45	74.60	59.56	223.60	200.00	9.60	201	44.50
28B-2	124.70	129.57	62.35	67.22	136.97	59.56	407.50	360.00	18.90	360	58.30
28B-3	184.30	189.17	92.15	97.02	196.57	59.56	610.00	530.00	28.36	530	85.80

20B – 28B Load Ratings

32B – 48B Standard Roller Chain

BS Chain No.	Pitch P	Roller Diameter max Dr	Width Between Inner Plates min W	Pin Diameter max D	Plate Thickness max T1	Plate Thickness max T2	Inner Plate Depth max H	Outer Plate Depth max h
32B	50.8	29.21	30.99	17.81	6.3	7.0	42.29	42.29
40B	63.5	39.37	38.1	22.89	8.0	8.5	52.96	52.96
48B	76.2	48.26	45.72	29.24	10.0	12.0	63.88	63.88

32B – 42B Size Chart (mm)

BS Chain No.	L max	Dc max	Pin Length L1 max	Pin Length L2 max	Pin Length L3 max	Transverse Pitch C	Average Tensile Strength kN	Tensile Strength min kN	Weight Per Meter kg/m	Ultimate Tensile Strength Q (ISO/DIN) min kN	Average Tensile Strength Q0 kN
32B-1	67.40	71.40	33.70	37.70	75.10	58.55	278.20	250.00	10.34	250	51
32B-2	126.00	129.97	63.00	66.97	136.87	58.55	510.30	450.00	20.28	450	66.60
32B-3	184.50	188.50	92.25	96.25	195.40	58.55	771.20	670.00	30.18	670	98
40B-1	82.60	86.35	41.30	45.05	90.90	72.29	388.20	355.00	16.64	451	93
40B-2	154.90	158.67	77.45	81.22	165.57	72.29	718.60	630.00	32.54	902	123
40B-3	227.20	230.97	113.60	117.37	237.87	72.29	1100.00	950.00	48.68	1353	181
48B-1	99.10	107.0	49.55	57.45	110.5	91.21	628.50	560.00	25.10	677	129
48B-2	190.40	198.2	95.20	103.00	201.9	91.21	1136.00	1000.00	50.20	1353	171
48B-3	281.60	289.4	140.80	148.60	293.1	91.21	1716.00	1500.00	75.30	2030	252

32B – 48B Load Ratings