PX Belt 　Major Specifications

Major Specifications

Belt width	Unit mass kg/m	Initial tension 　N {kgf}
		Recommended value	Maximum value
25	0.139	382 {39.0}	510 {52.0}

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 1.79 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	0.07	0.07	0.07	0.07	0.08	0.08	0.08	0.08	0.10	0.10	0.12	0.14	0.16	0.16	0.21	0.23	0.26	0.32
40	0.14	0.14	0.14	0.16	0.16	0.17	0.17	0.19	0.19	0.21	0.23	0.26	0.30	0.32	0.41	0.44	0.50	0.62
60	0.21	0.21	0.21	0.23	0.25	0.25	0.26	0.28	0.30	0.32	0.34	0.39	0.44	0.48	0.59	0.66	0.75	0.91
100	0.34	0.35	0.37	0.37	0.39	0.42	0.44	0.46	0.50	0.53	0.57	0.64	0.73	0.78	0.96	1.07	1.21	1.50
200	0.69	0.69	0.73	0.76	0.80	0.84	0.87	0.93	1.00	1.05	1.12	1.28	1.44	1.57	1.87	2.11	2.39	2.98
300	1.03	1.05	1.09	1.14	1.19	1.25	1.32	1.39	1.48	1.59	1.68	1.91	2.18	2.32	2.79	3.15	3.54	4.40
400	1.37	1.41	1.44	1.52	1.59	1.68	1.75	1.86	1.96	2.09	2.23	2.54	2.88	3.06	3.68	4.15	4.65	5.78
500	1.71	1.75	1.82	1.89	2.00	2.09	2.20	2.32	2.45	2.61	2.79	3.15	3.56	3.79	4.54	5.11	5.72	7.12
600	2.04	2.11	2.18	2.27	2.39	2.50	2.63	2.79	2.93	3.11	3.31	3.74	4.24	4.51	5.40	6.06	6.78	8.41
700	2.38	2.45	2.54	2.64	2.79	2.91	3.06	3.23	3.43	3.63	3.84	4.33	4.90	5.20	6.21	6.96	7.80	9.64
800	2.70	2.79	2.89	3.02	3.16	3.31	3.49	3.68	3.90	4.13	4.38	4.92	5.54	5.90	7.01	7.87	8.77	10.8
900	3.04	3.13	3.25	3.38	3.56	3.72	3.92	4.13	4.36	4.63	4.90	5.49	6.19	6.56	7.80	8.71	9.73	11.9
1000	3.38	3.49	3.61	3.75	3.93	4.13	4.34	4.56	4.83	5.10	5.42	6.06	6.81	7.23	8.55	9.54	10.6	13.0
1100	3.70	3.83	3.95	4.13	4.33	4.52	4.77	5.01	5.29	5.60	5.92	6.64	7.42	7.87	9.29	10.3	11.5	14.1
1200	4.04	4.17	4.31	4.49	4.70	4.94	5.17	5.45	5.74	6.06	6.40	7.17	8.01	8.48	10.0	11.1	12.3	15.1
1300	4.34	4.49	4.67	4.86	5.08	5.33	5.58	5.88	6.19	6.55	6.90	7.71	8.60	9.09	10.7	11.8	13.1	16.0
1400	4.67	4.83	5.01	5.20	5.45	5.72	5.99	6.30	6.64	6.99	7.39	8.23	9.18	9.70	11.3	12.6	13.9	16.9
1450	4.83	4.99	5.17	5.40	5.63	5.92	6.19	6.53	6.85	7.23	7.62	8.50	9.45	9.97	11.6	12.9	14.3	17.3
1500	4.97	5.15	5.35	5.56	5.81	6.10	6.39	6.73	7.08	7.46	7.85	8.73	9.73	10.2	12.0	13.3	14.7	17.8
1600	5.29	5.47	5.67	5.92	6.17	6.47	6.80	7.14	7.50	7.91	8.34	9.25	10.2	10.8	12.6	13.9	15.4	18.6
1750	5.72	5.94	6.17	6.44	6.71	7.01	7.37	7.75	8.12	8.55	9.00	9.97	11.0	11.6	13.5	14.9	16.4	19.7
1800	5.88	6.08	6.31	6.60	6.89	7.21	7.55	7.92	8.34	8.77	9.21	10.2	11.2	11.8	13.8	15.2	16.7	20.1
2000	6.40	6.65	6.92	7.23	7.57	7.91	8.30	8.69	9.12	9.59	10.0	11.1	12.2	12.8	14.8	16.3	17.9	21.4
2400	7.37	7.67	8.03	8.41	8.80	9.21	9.66	10.1	10.5	11.1	11.6	12.7	14.0	14.6	16.7	18.3	19.9	23.4
2800	8.10	8.52	8.93	9.37	9.84	10.3	10.8	11.3	11.8	12.4	13.0	14.2	15.4	16.1	18.2	19.7	21.3	24.7
3000	8.39	8.84	9.30	9.80	10.3	10.8	11.3	11.8	12.4	13.0	13.6	14.8	16.1	16.7	18.8	20.3	21.8	25.0
3600		9.39	10.0	10.6	11.2	11.9	12.5	13.1	13.7	14.4	15.0	16.3	17.5	18.1	20.0	21.2	22.5	25.4
4000			10.1	10.8	11.5	12.2	12.9	13.6	14.3	15.0	15.6	16.8	18.0	18.6	20.3	21.3	22.8	25.6
5000				11.0	11.8	12.5	13.1	13.8	14.4	15.1	15.8	17.0	18.3	18.9	20.8
6000				11.4	12.0	12.7	13.3	14.1	14.6	15.3	16.0	17.3	18.6	19.2

・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.

Standard Transmission Torque 　N・m　(Multiplied by the 1.79 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	35.2	35.9	36.8	38.2	40.1	42.1	44.0	46.5	49.9	53.3	56.8	64.8	74.4	80.1	101	113	127	155
40	33.7	34.6	35.6	36.9	38.7	40.6	42.6	45.0	48.1	51.5	54.6	62.6	71.6	77.0	96.1	107	121	149
60	33.5	34.4	35.4	36.7	38.5	40.5	42.4	44.9	47.8	51.1	54.2	62.2	70.8	76.2	93.5	104	118	146
100	33.2	33.9	35.2	36.6	38.4	40.2	42.2	44.7	47.7	50.7	53.9	61.7	70.0	75.6	91.5	102	116	144
200	32.9	33.7	35.0	36.4	38.3	40.1	42.2	44.6	47.5	50.5	53.6	61.4	69.5	74.8	89.8	101	114	142
300	32.8	33.6	34.9	36.3	38.2	40.0	42.1	44.5	47.3	50.4	53.3	61.1	69.2	73.9	88.9	100	112	140
400	32.7	33.6	34.8	36.3	38.1	39.9	42.0	44.4	47.0	50.1	53.2	60.6	68.6	73.0	87.9	98.9	110	138
500	32.6	33.5	34.7	36.2	38.1	39.8	41.9	44.3	46.9	49.9	53.1	60.1	67.9	72.5	86.9	97.8	109	135
600	32.5	33.4	34.6	36.1	38.0	39.7	41.8	44.2	46.8	49.6	52.8	59.5	67.4	71.7	85.9	96.4	107	133
700	32.4	33.4	34.6	36.0	37.9	39.7	41.7	44.0	46.7	49.5	52.5	59.0	66.8	71.1	84.7	95.0	106	131
800	32.3	33.3	34.5	36.0	37.8	39.5	41.7	43.9	46.6	49.2	52.3	58.7	66.2	70.4	83.8	93.9	104	129
900	32.2	33.3	34.4	35.9	37.7	39.4	41.6	43.8	46.3	49.0	52.0	58.3	65.7	69.6	82.7	92.5	103	126
1000	32.2	33.2	34.4	35.8	37.6	39.3	41.5	43.6	46.1	48.7	51.7	57.8	65.1	68.9	81.6	91.1	101	124
1100	32.1	33.1	34.3	35.8	37.5	39.3	41.4	43.5	45.9	48.5	51.3	57.6	64.4	68.3	80.6	89.9	99.9	122
1200	32.1	33.1	34.3	35.7	37.4	39.3	41.2	43.4	45.7	48.2	51.0	57.0	63.7	67.4	79.6	88.5	98.3	120
1300	31.9	33.0	34.2	35.7	37.3	39.1	41.0	43.1	45.4	48.0	50.7	56.5	63.2	66.7	78.6	87.3	96.8	117
1400	31.8	32.9	34.1	35.5	37.2	38.9	40.9	42.9	45.2	47.7	50.4	56.1	62.5	66.1	77.5	85.9	95.1	115
1450	31.7	32.9	34.1	35.5	37.1	38.9	40.8	42.9	45.1	47.5	50.2	55.9	62.2	65.6	76.9	85.3	94.4	114
1500	31.6	32.8	34.0	35.4	37.0	38.8	40.7	42.8	45.0	47.5	49.9	55.5	61.9	65.3	76.4	84.7	93.6	113
1600	31.5	32.6	33.8	35.2	36.8	38.6	40.5	42.5	44.7	47.1	49.7	55.2	61.2	64.5	75.4	83.3	92.0	111
1750	31.2	32.3	33.6	35.1	36.6	38.3	40.2	42.2	44.3	46.6	49.0	54.4	60.3	63.4	73.8	81.4	89.6	107
1800	31.2	32.2	33.5	34.9	36.5	38.2	40.0	42.0	44.1	46.5	48.8	54.1	59.9	63.0	73.2	80.7	88.8	106
2000	30.6	31.7	33.0	34.4	36.1	37.7	39.5	41.5	43.5	45.7	48.1	53.0	58.6	61.5	71.0	78.1	85.6	102
2400	29.3	30.5	31.9	33.4	34.9	36.6	38.4	40.2	42.1	44.2	46.3	50.8	55.8	58.3	66.7	72.7	79.1	93.2
2800	27.6	29.0	30.4	31.9	33.5	35.2	36.9	38.7	40.5	42.4	44.3	48.4	52.8	55.1	62.2	67.3	72.7	84.2
3000	26.6	28.1	29.6	31.2	32.7	34.4	36.0	37.8	39.5	41.4	43.2	47.2	51.2	53.3	60.0	64.6	69.5	79.7
3600		24.9	26.5	28.2	29.9	31.5	33.2	34.9	36.5	38.2	39.8	43.2	46.5	48.1	53.1	56.4	59.7	67.5
4000			24.1	25.9	27.6	29.3	31.0	32.6	34.2	35.8	37.3	40.3	43.1	44.5	48.4	50.9	54.5	61.2
5000				21.1	22.6	23.9	25.0	26.4	27.5	28.9	30.2	32.4	35.0	36.1	39.7
6000				18.1	19.1	20.2	21.2	22.4	23.3	24.3	25.5	27.6	29.6	30.6

・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	P8M25AF P8M25A P8M25BF P8M25B	20T～120T
		Aluminum	P8M25AF-A P8M25A-A P8M25BF-A P8M25B-A	20T～120T
Fit bore		Carbon steel	P8M25AF-H□□□N-J□□D□M□□ P8M25BF-H□□□N-J□□D□M□□	20T～60T
Lock S type		Carbon steel	P8M25AF-□S□□□ P8M25BF-□S□□□	20T～72T
		Aluminum	P8M25AF-A-□S□□□	20T～60T
		Plated	P8M25AF-□S□□□-K	20T～72T