PX Belt 　Major Specifications

Major Specifications

Belt width	Unit mass g/(mm width x m length)	Initial tension 　N {kgf}
		Recommended value	Maximum value
40	5.6	686 {70.0}	897 {91.5}

Material	Rubber	Chloroprene rubber
	Tooth fabric	Nylon woven fabric
	Cord	Fiberglass
Ambient conditions	Available for the following belt sprocket types	PX Belt Sprocket P8M
	Oil and water resistant	No (cannot be used)
	Operating Ambient Temperature	-15℃～80℃
	RoHS compliant	Compliant
	Electroconductive	None

Belt length

※ Expand all Collapse all

Circumference 376　～　584

Circumference 600　～　752

Circumference 760　～　880

Circumference 896　～　1040

Circumference 1056　～　1208

Circumference 1216　～　1400

Circumference 1424　～　1800

Circumference 1816　～　2240

Circumference 2256　～　2800

Circumference 2896　～　4400

Standard transmission capacity 　kW　(Multiplied by the 3.05 coefficient of width)

Small belt sprocket rotation speed r/min	Upper row: Number of teeth of small belt sprocket Lower row: Pitch diameter 　mm
	20	22	24	26	28	30	32	34	36	38	40	44	48	50	56	60	64	72
	50.93	56.02	61.12	66.21	71.30	76.39	81.49	86.58	91.67	96.77	101.86	112.05	122.23	127.32	142.60	152.79	162.97	183.35
20	0.12	0.12	0.12	0.12	0.15	0.15	0.15	0.15	0.18	0.18	0.21	0.24	0.27	0.27	0.36	0.39	0.45	0.54
40	0.24	0.24	0.24	0.27	0.27	0.30	0.30	0.33	0.33	0.36	0.39	0.45	0.51	0.54	0.70	0.76	0.85	1.06
60	0.36	0.36	0.36	0.39	0.42	0.42	0.45	0.48	0.51	0.54	0.57	0.67	0.76	0.82	1.00	1.12	1.28	1.55
100	0.57	0.61	0.64	0.64	0.67	0.73	0.76	0.79	0.85	0.91	0.97	1.09	1.25	1.34	1.64	1.83	2.07	2.56
200	1.18	1.18	1.25	1.31	1.37	1.43	1.49	1.58	1.70	1.79	1.92	2.19	2.47	2.68	3.20	3.59	4.08	5.09
300	1.76	1.79	1.86	1.95	2.04	2.13	2.25	2.37	2.53	2.71	2.86	3.26	3.72	3.96	4.75	5.36	6.03	7.50
400	2.34	2.40	2.47	2.59	2.71	2.86	2.98	3.17	3.35	3.56	3.81	4.33	4.91	5.21	6.28	7.07	7.93	9.85
500	2.92	2.98	3.11	3.23	3.41	3.56	3.75	3.96	4.17	4.45	4.75	5.36	6.06	6.46	7.74	8.72	9.76	12.1
600	3.47	3.59	3.72	3.87	4.08	4.27	4.48	4.75	5.00	5.30	5.64	6.37	7.22	7.68	9.21	10.3	11.5	14.3
700	4.05	4.17	4.33	4.51	4.75	4.97	5.21	5.52	5.85	6.19	6.55	7.38	8.35	8.87	10.5	11.8	13.2	16.4
800	4.60	4.75	4.94	5.15	5.39	5.64	5.94	6.28	6.64	7.04	7.47	8.38	9.45	10.0	11.9	13.4	14.9	18.4
900	5.18	5.33	5.55	5.76	6.06	6.34	6.67	7.04	7.44	7.89	8.35	9.36	10.5	11.1	13.2	14.8	16.5	20.3
1000	5.76	5.94	6.16	6.40	6.71	7.04	7.41	7.77	8.23	8.69	9.24	10.3	11.6	12.3	14.5	16.2	18.1	22.2
1100	6.31	6.52	6.74	7.04	7.38	7.71	8.14	8.54	9.02	9.54	10.0	11.3	12.6	13.4	15.8	17.6	19.6	24.0
1200	6.89	7.10	7.35	7.65	8.02	8.41	8.81	9.30	9.79	10.3	10.9	12.2	13.6	14.4	17.0	18.9	21.0	25.7
1300	7.41	7.65	7.96	8.29	8.66	9.08	9.51	10.0	10.5	11.1	11.7	13.1	14.6	15.4	18.2	20.2	22.4	27.3
1400	7.96	8.23	8.54	8.87	9.30	9.76	10.2	10.7	11.3	11.9	12.5	14.0	15.6	16.5	19.3	21.5	23.7	28.9
1450	8.23	8.50	8.81	9.21	9.60	10.0	10.5	11.1	11.6	12.3	12.9	14.4	16.1	16.9	19.9	22.0	24.4	29.6
1500	8.47	8.78	9.11	9.48	9.91	10.4	10.8	11.4	12.0	12.7	13.3	14.8	16.5	17.5	20.4	22.6	25.0	30.3
1600	9.02	9.33	9.66	10.0	10.5	11.0	11.5	12.1	12.7	13.4	14.2	15.7	17.5	18.4	21.5	23.8	26.2	31.7
1750	9.76	10.1	10.5	10.9	11.4	11.9	12.5	13.2	13.8	14.5	15.3	16.9	18.8	19.8	23.0	25.4	27.9	33.6
1800	10.0	10.3	10.7	11.2	11.7	12.2	12.8	13.5	14.2	14.9	15.7	17.4	19.2	20.2	23.5	25.9	28.5	34.2
2000	10.9	11.3	11.8	12.3	12.9	13.4	14.1	14.8	15.5	16.3	17.1	18.9	20.9	21.9	25.3	27.9	30.5	36.4
2400	12.5	13.0	13.6	14.3	15.0	15.7	16.4	17.2	18.0	18.9	19.8	21.8	23.9	25.0	28.5	31.2	33.9	39.9
2800	13.8	14.5	15.2	15.9	16.7	17.6	18.4	19.3	20.2	21.1	22.1	24.2	26.3	27.5	31.1	33.6	36.3	42.0
3000	14.3	15.0	15.8	16.7	17.5	18.4	19.3	20.2	21.1	22.2	23.1	25.2	27.4	28.5	32.1	34.6	37.2	42.7
3600		16.0	17.0	18.1	19.2	20.2	21.3	22.4	23.4	24.5	25.6	27.7	29.8	30.9	34.1	36.2	38.4	43.3
4000			17.2	18.5	19.7	20.9	22.1	23.3	24.4	25.5	26.6	28.7	30.8	31.8	34.6	36.3	38.9	43.7
5000				18.9	20.2	21.3	22.3	23.6	24.5	25.8	26.9	29.0	31.2	32.2	35.5
6000				19.4	20.4	21.6	22.7	24.0	24.9	26.1	27.3	29.5	31.7	32.8

・Avoid using in the gray highlighted range as the belt will have a shorter service life.

・The lower right of the bold outlined cells have a belt sprocket speed greater than 33m/s. Ensure the belt sprocket is well balanced.

Standard Transmission Torque 　N・m　(Multiplied by the 3.05 coefficient of width)

Small belt sprocket rotation speed r/min	Upper row: Number of teeth of small belt sprocket Lower row: Pitch diameter 　mm
	20	22	24	26	28	30	32	34	36	38	40	44	48	50	56	60	64	72
	50.93	56.02	61.12	66.21	71.30	76.39	81.49	86.58	91.67	96.77	101.86	112.05	122.23	127.32	142.60	152.79	162.97	183.35
20	59.9	61.2	62.7	65.1	68.4	71.8	75.0	79.3	85.0	90.9	96.8	110	126	136	172	193	217	265
40	57.5	59.0	60.6	62.9	66.0	69.3	72.5	76.8	82.0	87.7	93.1	106	122	131	163	182	206	254
60	57.0	58.6	60.4	62.5	65.7	69.0	72.3	76.5	81.5	87.2	92.4	105	120	129	159	178	202	249
100	56.6	57.9	60.1	62.3	65.4	68.6	72.0	76.3	81.3	86.4	91.9	105	119	128	155	174	197	245
200	56.1	57.4	59.6	62.1	65.3	68.4	71.9	76.1	81.0	86.1	91.4	104	118	127	153	172	194	242
300	55.9	57.3	59.5	62.0	65.2	68.2	71.7	75.9	80.6	85.9	90.9	104	117	125	151	170	191	238
400	55.8	57.2	59.3	61.8	65.0	68.1	71.6	75.7	80.2	85.4	90.7	103	116	124	149	168	188	235
500	55.6	57.1	59.2	61.7	64.9	67.9	71.4	75.5	79.9	85.1	90.5	102	115	123	148	166	186	231
600	55.4	57.0	59.0	61.5	64.8	67.8	71.3	75.4	79.7	84.6	89.9	101	114	122	146	164	183	227
700	55.2	56.9	58.9	61.4	64.6	67.6	71.2	75.1	79.6	84.3	89.5	100	113	121	144	161	181	224
800	55.1	56.8	58.8	61.3	64.5	67.4	71.1	74.9	79.4	83.9	89.2	100	112	119	142	160	178	220
900	54.9	56.7	58.7	61.3	64.2	67.2	70.9	74.6	78.9	83.6	88.6	99.3	111	118	140	157	175	216
1000	54.8	56.6	58.6	61.1	64.1	67.1	70.7	74.3	78.5	83.0	88.1	98.6	110	117	139	155	173	212
1100	54.7	56.5	58.5	61.0	63.9	67.0	70.5	74.1	78.2	82.7	87.5	98.1	109	116	137	153	170	208
1200	54.7	56.4	58.4	60.9	63.7	66.9	70.2	73.9	77.9	82.2	86.9	97.2	108	114	135	150	167	204
1300	54.4	56.3	58.3	60.8	63.6	66.7	69.9	73.5	77.5	81.8	86.4	96.4	107	113	134	148	164	200
1400	54.1	56.1	58.2	60.6	63.4	66.4	69.7	73.2	77.1	81.4	85.8	95.7	106	112	132	146	162	197
1450	54.1	56.0	58.1	60.6	63.2	66.3	69.5	73.2	76.9	81.0	85.6	95.3	106	111	131	145	160	195
1500	53.9	55.9	57.9	60.3	63.1	66.1	69.3	72.9	76.7	80.9	85.1	94.7	105	111	130	144	159	193
1600	53.7	55.6	57.7	60.1	62.8	65.7	69.1	72.5	76.2	80.3	84.7	94.0	104	110	128	142	156	189
1750	53.2	55.1	57.4	59.8	62.4	65.2	68.5	71.9	75.5	79.5	83.6	92.7	102	108	125	138	152	183
1800	53.2	54.9	57.1	59.6	62.2	65.1	68.2	71.6	75.3	79.3	83.2	92.2	102	107	124	137	151	181
2000	52.1	54.1	56.3	58.7	61.5	64.2	67.4	70.7	74.2	77.9	82.0	90.4	99.8	104	121	133	145	174
2400	49.9	52.0	54.4	56.9	59.6	62.4	65.4	68.5	71.8	75.3	78.9	86.7	95.0	99.4	113	124	134	158
2800	47.1	49.4	51.9	54.5	57.1	60.0	62.9	65.9	69.0	72.2	75.6	82.5	89.9	93.9	106	114	124	143
3000	45.4	47.9	50.4	53.1	55.8	58.6	61.4	64.4	67.4	70.6	73.7	80.4	87.3	90.9	102	110	118	135
3600		42.4	45.2	48.1	50.9	53.8	56.6	59.4	62.2	65.1	67.9	73.6	79.3	82.1	90.5	96.1	101	115
4000			41.1	44.1	47.1	50.0	52.8	55.6	58.4	61.0	63.6	68.7	73.5	75.9	82.6	86.7	93.0	104
5000				36.1	38.6	40.7	42.7	45.0	46.9	49.2	51.5	55.3	59.6	61.5	67.7
6000				30.8	32.5	34.4	36.1	38.2	39.7	41.5	43.4	47.0	50.5	52.2

・Avoid using in the gray highlighted range as the belt will have a shorter service life.

・The lower right of the bold outlined cells have a belt sprocket speed greater than 33m/s. Ensure the belt sprocket is well balanced.

Available for the following belt sprocket types

Type		Material	Base Model No.	Tooth no. range
AF/A BF/B		Carbon steel	P8M40AF P8M40A P8M40BF P8M40B	20T～120T
		Aluminum	P8M40AF-A P8M40A-A P8M40BF-A P8M40B-A	20T～120T
Lock S type		Carbon steel	P8M40AF-□S□□□ P8M40BF-□S□□□	20T～72T
		Aluminum	P8M40AF-A-□S□□□	24T～60T
		Plated	P8M40AF-□S□□□-K	24T～72T