PX Belt Waterproof Type 　Major Specifications

Model No. examples

BG	800	P	8M	60	-W
｜ Synchronous belt	｜ Belt length mm	｜ P：PX	｜ Types (Pitch )	｜ Belt width mm	｜ Waterproof Type

Major Specifications

Belt width	Unit mass g/(mm width x m length)	Initial tension 　N {kgf}
		Recommended value	Maximum value
25	5.6	403 {41.1}	526 {53.6}

Material	Rubber	Chloroprene rubber
	Tooth fabric	Nylon woven fabric
	Cord	Aramid fiber
Ambient conditions	Waterproof	Can be used in contact with water (cannot be used under water)
	Available for the following belt sprocket types	PX Belt Sprocket P8M
	Oil 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	0.08	0.08	0.08	0.08	0.10	0.10	0.10	0.12	0.12	0.12	0.14	0.16	0.17	0.19	0.25	0.28	0.32	0.39
40	0.16	0.17	0.17	0.17	0.19	0.19	0.21	0.23	0.25	0.25	0.26	0.32	0.35	0.39	0.48	0.53	0.60	0.75
60	0.25	0.26	0.26	0.26	0.28	0.30	0.32	0.34	0.35	0.39	0.41	0.46	0.53	0.57	0.69	0.78	0.89	1.10
100	0.41	0.42	0.44	0.46	0.48	0.50	0.53	0.55	0.60	0.64	0.68	0.76	0.87	0.94	1.14	1.28	1.46	1.80
200	0.82	0.84	0.87	0.91	0.96	1.00	1.05	1.12	1.19	1.27	1.34	1.53	1.75	1.87	2.25	2.54	2.88	3.58
300	1.23	1.27	1.32	1.37	1.44	1.50	1.59	1.68	1.79	1.89	2.00	2.30	2.61	2.79	3.34	3.77	4.24	5.28
400	1.64	1.68	1.75	1.82	1.91	2.00	2.11	2.23	2.36	2.52	2.68	3.04	3.45	3.66	4.42	4.97	5.56	6.94
500	2.05	2.11	2.18	2.27	2.39	2.50	2.63	2.79	2.95	3.15	3.34	3.77	4.27	4.56	5.45	6.15	6.87	8.53
600	2.45	2.52	2.61	2.72	2.86	3.00	3.16	3.34	3.52	3.74	3.99	4.49	5.08	5.42	6.47	7.28	8.14	10.0
700	2.86	2.93	3.04	3.16	3.34	3.49	3.66	3.88	4.11	4.34	4.61	5.19	5.88	6.26	7.46	8.35	9.36	11.5
800	3.25	3.36	3.47	3.61	3.81	3.99	4.20	4.42	4.68	4.95	5.26	5.90	6.65	7.08	8.43	9.45	10.5	12.9
900	3.65	3.77	3.90	4.06	4.27	4.47	4.70	4.95	5.24	5.54	5.88	6.60	7.42	7.87	9.36	10.4	11.6	14.3
1000	4.04	4.18	4.33	4.51	4.74	4.95	5.22	5.49	5.79	6.12	6.49	7.28	8.18	8.68	10.2	11.4	12.7	15.6
1100	4.43	4.58	4.76	4.95	5.19	5.44	5.72	6.01	6.35	6.71	7.10	7.96	8.91	9.45	11.1	12.4	13.8	16.9
1200	4.85	4.99	5.17	5.40	5.63	5.92	6.21	6.55	6.90	7.28	7.69	8.60	9.63	10.1	12.0	13.3	14.8	18.1
1300	5.22	5.40	5.60	5.83	6.10	6.40	6.71	7.05	7.42	7.85	8.28	9.25	10.3	10.9	12.8	14.2	15.8	19.2
1400	5.60	5.79	6.01	6.26	6.55	6.85	7.19	7.57	7.96	8.41	8.87	9.89	11.0	11.6	13.6	15.1	16.7	20.3
1450	5.79	5.99	6.21	6.47	6.76	7.10	7.44	7.82	8.23	8.66	9.16	10.2	11.3	11.9	14.0	15.5	17.2	20.8
1500	5.97	6.19	6.40	6.67	6.98	7.32	7.67	8.07	8.50	8.96	9.43	10.4	11.6	12.3	14.4	15.9	17.6	21.3
1600	6.35	6.56	6.81	7.10	7.41	7.76	8.16	8.55	9.00	9.48	10.0	11.1	12.3	12.9	15.1	16.7	18.5	22.3
1750	6.87	7.12	7.41	7.71	8.05	8.43	8.84	9.29	9.75	10.2	10.7	11.9	13.2	13.9	16.2	17.9	19.7	23.7
1800	7.07	7.30	7.58	7.91	8.26	8.64	9.07	9.50	10.0	10.5	11.0	12.2	13.5	14.2	16.5	18.2	20.1	24.1
2000	7.69	7.98	8.32	8.68	9.07	9.48	9.95	10.4	10.9	11.5	12.1	13.3	14.7	15.4	17.8	19.6	21.5	25.6
2400	8.84	9.21	9.64	10.0	10.5	11.0	11.5	12.1	12.7	13.3	13.9	15.3	16.8	17.6	20.1	21.9	23.8	28.1
2800	9.73	10.2	10.7	11.2	11.8	12.4	13.0	13.6	14.2	14.9	15.6	17.0	18.5	19.4	21.9	23.7	25.6	29.6
3000	10.0	10.6	11.1	11.7	12.3	12.9	13.6	14.2	14.9	15.6	16.3	17.8	19.3	20.1	22.6	24.3	26.2	30.0
3600		11.2	12.0	12.7	13.5	14.3	15.0	15.7	16.5	17.2	18.0	19.5	21.0	21.8	24.0	25.5	27.0	30.5
4000			12.1	13.0	13.9	14.7	15.5	16.4	17.2	18.0	18.7	20.2	21.7	22.4	24.3	25.5	27.4	30.8
5000				13.3	14.2	15.0	15.7	16.6	17.3	18.1	19.0	20.4	22.0	22.7	25.0
6000				13.6	14.4	15.2	16.0	16.9	17.5	18.3	19.2	20.8	22.3	23.1

・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	42.2	43.1	44.2	45.8	48.1	50.6	52.8	55.9	59.8	64.0	68.2	77.8	89.3	96.1	121	136	152	187
40	40.5	41.5	42.7	44.3	46.4	48.8	51.1	54.1	57.7	61.8	65.6	75.1	85.9	92.4	115	128	145	178
60	40.2	41.3	42.5	44.0	46.2	48.6	50.9	53.9	57.4	61.4	65.0	74.6	85.0	91.5	112	125	142	175
100	39.8	40.7	42.3	43.9	46.1	48.3	50.7	53.7	57.2	60.8	64.7	74.1	84.0	90.8	109	122	139	173
200	39.5	40.4	42.0	43.7	46.0	48.1	50.6	53.6	57.1	60.7	64.4	73.7	83.4	89.8	107	121	137	171
300	39.4	40.4	41.9	43.6	45.9	48.0	50.5	53.5	56.7	60.5	64.0	73.3	83.0	88.6	106	120	135	168
400	39.3	40.3	41.7	43.5	45.8	47.9	50.4	53.3	56.4	60.1	63.8	72.7	82.3	87.6	105	118	133	165
500	39.1	40.2	41.6	43.4	45.7	47.8	50.3	53.2	56.3	59.9	63.7	72.2	81.4	87.0	104	117	131	163
600	39.0	40.1	41.6	43.3	45.6	47.7	50.2	53.1	56.1	59.6	63.3	71.4	80.9	86.1	103	115	129	160
700	38.9	40.1	41.5	43.3	45.5	47.6	50.1	52.8	56.0	59.4	63.0	70.8	80.2	85.3	101	114	127	157
800	38.8	40.0	41.4	43.2	45.4	47.5	50.0	52.7	55.9	59.1	62.8	70.4	79.4	84.4	100	112	125	154
900	38.7	39.9	41.4	43.1	45.2	47.3	49.9	52.5	55.6	58.8	62.4	69.9	78.8	83.5	99.2	110	123	152
1000	38.6	39.9	41.3	43.0	45.1	47.2	49.8	52.3	55.3	58.4	62.0	69.4	78.1	82.7	97.9	109	121	149
1100	38.5	39.8	41.2	43.0	45.0	47.2	49.7	52.2	55.0	58.2	61.6	69.1	77.3	81.9	96.7	107	119	146
1200	38.5	39.7	41.1	42.9	44.8	47.1	49.4	52.0	54.9	57.9	61.2	68.4	76.5	80.9	95.5	106	118	144
1300	38.3	39.6	41.0	42.8	44.8	46.9	49.2	51.8	54.5	57.6	60.9	67.8	75.8	80.0	94.3	104	116	141
1400	38.1	39.5	41.0	42.6	44.6	46.7	49.1	51.5	54.2	57.3	60.4	67.4	75.1	79.3	93.0	103	114	138
1450	38.1	39.4	40.9	42.6	44.5	46.7	48.9	51.5	54.1	57.0	60.2	67.1	74.7	78.7	92.3	102	113	137
1500	38.0	39.4	40.8	42.5	44.4	46.5	48.8	51.3	54.0	57.0	59.9	66.7	74.3	78.4	91.7	101	112	136
1600	37.8	39.2	40.6	42.3	44.2	46.3	48.6	51.0	53.7	56.6	59.6	66.2	73.5	77.4	90.5	100	110	133
1750	37.5	38.8	40.4	42.1	43.9	45.9	48.2	50.6	53.2	55.9	58.8	65.2	72.4	76.1	88.5	97.7	107	129
1800	37.4	38.7	40.2	41.9	43.8	45.8	48.0	50.4	53.0	55.8	58.6	64.9	71.9	75.6	87.8	96.9	106	127
2000	36.7	38.1	39.6	41.4	43.3	45.2	47.5	49.8	52.2	54.9	57.7	63.6	70.3	73.8	85.3	93.7	102	122
2400	35.1	36.6	38.3	40.1	41.9	43.9	46.1	48.2	50.6	53.0	55.6	61.0	66.9	70.0	80.0	87.3	95.0	111
2800	33.1	34.8	36.5	38.3	40.2	42.2	44.3	46.4	48.6	50.9	53.2	58.1	63.3	66.1	74.7	80.8	87.3	101
3000	32.0	33.7	35.5	37.4	39.3	41.3	43.3	45.3	47.5	49.7	51.9	56.6	61.5	64.0	72.0	77.6	83.4	95.7
3600		29.9	31.8	33.9	35.9	37.8	39.8	41.8	43.8	45.8	47.8	51.8	55.8	57.8	63.7	67.7	71.7	81.0
4000			28.9	31.1	33.2	35.2	37.2	39.1	41.1	42.9	44.8	48.4	51.7	53.4	58.1	61.0	65.5	73.5
5000				25.4	27.2	28.7	30.0	31.7	33.0	34.7	36.2	38.9	42.0	43.3	47.7
6000				21.7	22.9	24.2	25.4	26.9	27.9	29.2	30.6	33.1	35.5	36.8

・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.

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