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 kg/m	Initial tension 　N {kgf}
		Recommended value	Maximum value
40	0.223	657 {67.0}	860 {87.8}

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 3.06 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	0.15	0.15	0.15	0.15	0.18	0.18	0.18	0.21	0.21	0.21	0.24	0.27	0.30	0.33	0.42	0.48	0.55	0.67
40	0.27	0.30	0.30	0.30	0.33	0.33	0.36	0.39	0.42	0.42	0.45	0.55	0.61	0.67	0.82	0.91	1.04	1.28
60	0.42	0.45	0.45	0.45	0.48	0.52	0.55	0.58	0.61	0.67	0.70	0.79	0.91	0.97	1.19	1.34	1.53	1.89
100	0.70	0.73	0.76	0.79	0.82	0.85	0.91	0.94	1.04	1.10	1.16	1.31	1.49	1.62	1.95	2.20	2.50	3.09
200	1.40	1.43	1.49	1.56	1.65	1.71	1.80	1.92	2.05	2.17	2.29	2.63	2.99	3.21	3.85	4.34	4.92	6.12
300	2.11	2.17	2.26	2.35	2.47	2.57	2.72	2.87	3.06	3.24	3.42	3.94	4.46	4.77	5.72	6.45	7.25	9.02
400	2.81	2.87	2.99	3.12	3.27	3.42	3.61	3.82	4.03	4.31	4.59	5.20	5.90	6.27	7.55	8.50	9.51	11.8
500	3.51	3.61	3.73	3.88	4.10	4.28	4.49	4.77	5.04	5.38	5.72	6.45	7.31	7.80	9.33	10.5	11.7	14.5
600	4.19	4.31	4.46	4.65	4.89	5.14	5.41	5.72	6.02	6.39	6.82	7.68	8.69	9.27	11.0	12.4	13.9	17.2
700	4.89	5.01	5.20	5.41	5.72	5.96	6.27	6.64	7.03	7.43	7.89	8.87	10.0	10.7	12.7	14.2	16.0	19.7
800	5.56	5.75	5.93	6.18	6.51	6.82	7.19	7.55	8.01	8.47	8.99	10.0	11.3	12.1	14.4	16.1	17.9	22.2
900	6.24	6.45	6.67	6.94	7.31	7.65	8.04	8.47	8.96	9.48	10.0	11.2	12.6	13.4	16.0	17.9	19.9	24.5
1000	6.91	7.16	7.40	7.71	8.10	8.47	8.93	9.39	9.91	10.4	11.1	12.4	13.9	14.8	17.5	19.5	21.8	26.7
1100	7.58	7.83	8.13	8.47	8.87	9.30	9.79	10.2	10.8	11.4	12.1	13.6	15.2	16.1	19.0	21.2	23.6	28.9
1200	8.29	8.53	8.84	9.24	9.63	10.1	10.6	11.1	11.8	12.4	13.1	14.7	16.4	17.4	20.5	22.8	25.3	30.9
1300	8.93	9.24	9.57	9.97	10.4	10.9	11.4	12.0	12.6	13.4	14.1	15.8	17.6	18.6	21.9	24.3	27.0	32.9
1400	9.57	9.91	10.2	10.7	11.1	11.7	12.3	12.9	13.6	14.3	15.1	16.9	18.8	19.8	23.3	25.8	28.6	34.7
1450	9.91	10.2	10.6	11.0	11.5	12.1	12.7	13.3	14.0	14.8	15.6	17.4	19.4	20.4	23.9	26.5	29.4	35.7
1500	10.2	10.5	10.9	11.4	11.9	12.5	13.1	13.8	14.5	15.3	16.1	17.9	19.9	21.0	24.6	27.2	30.1	36.5
1600	10.8	11.2	11.6	12.1	12.6	13.2	13.9	14.6	15.3	16.2	17.1	19.0	21.0	22.2	25.9	28.6	31.6	38.1
1750	11.7	12.1	12.6	13.1	13.7	14.4	15.1	15.8	16.6	17.5	18.4	20.4	22.7	23.8	27.7	30.6	33.6	40.5
1800	12.0	12.4	12.9	13.5	14.1	14.7	15.5	16.2	17.1	17.9	18.9	20.9	23.1	24.3	28.3	31.2	34.3	41.2
2000	13.1	13.6	14.2	14.8	15.5	16.2	17.0	17.8	18.7	19.6	20.6	22.7	25.1	26.4	30.5	33.5	36.8	43.9
2400	15.1	15.7	16.4	17.2	18.0	18.9	19.8	20.7	21.7	22.7	23.8	26.2	28.7	30.1	34.4	37.5	40.8	48.0
2800	16.6	17.4	18.3	19.2	20.1	21.2	22.2	23.2	24.3	25.5	26.7	29.1	31.7	33.1	37.4	40.5	43.7	50.6
3000	17.2	18.1	19.0	20.1	21.1	22.2	23.2	24.3	25.5	26.7	27.9	30.4	33.0	34.4	38.6	41.7	44.8	51.4
3600		19.2	20.5	21.8	23.1	24.4	25.7	26.9	28.2	29.5	30.8	33.4	36.0	37.3	41.0	43.6	46.2	52.2
4000			20.7	22.2	23.7	25.2	26.6	28.0	29.4	30.7	32.0	34.6	37.1	38.3	41.6	43.7	46.9	52.6
5000				22.7	24.3	25.7	26.9	28.3	29.5	31.0	32.4	34.9	37.6	38.8	42.7
6000				23.3	24.6	26.0	27.3	28.9	30.0	31.4	32.8	35.6	38.2	39.5

・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 3.06 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	72.2	73.7	75.5	78.4	82.3	86.5	90.4	95.5	102	109	116	133	152	164	208	232	261	319
40	69.2	71.1	73.0	75.7	79.4	83.4	87.3	92.5	98.7	105	112	128	146	157	197	219	248	305
60	68.7	70.6	72.7	75.3	79.1	83.1	87.1	92.1	98.1	105	111	127	145	156	192	214	243	300
100	68.1	69.7	72.3	75.0	78.8	82.6	86.7	91.8	97.8	104	110	126	143	155	187	209	238	296
200	67.5	69.1	71.8	74.8	78.6	82.3	86.5	91.6	97.6	103	110	126	142	153	184	207	234	292
300	67.4	69.0	71.6	74.6	78.5	82.1	86.3	91.4	97.0	103	109	125	141	151	182	205	231	287
400	67.1	68.9	71.4	74.4	78.3	82.0	86.2	91.1	96.5	102	109	124	140	149	180	203	227	283
500	66.9	68.8	71.2	74.2	78.2	81.8	86.0	90.9	96.2	102	109	123	139	148	178	200	224	278
600	66.7	68.6	71.1	74.1	78.0	81.6	85.9	90.8	96.0	101	108	122	138	147	176	197	221	274
700	66.5	68.6	71.0	74.0	77.8	81.4	85.7	90.4	95.9	101	107	121	137	145	173	194	218	269
800	66.3	68.4	70.9	73.8	77.6	81.2	85.6	90.2	95.6	101	107	120	135	144	171	192	214	264
900	66.1	68.3	70.7	73.7	77.4	81.0	85.4	89.8	95.0	100	106	119	134	142	169	189	211	260
1000	66.0	68.2	70.6	73.6	77.2	80.8	85.2	89.5	94.5	100	106	118	133	141	167	186	208	255
1100	65.9	68.0	70.5	73.5	76.9	80.7	84.9	89.2	94.1	99.6	105	118	132	140	165	184	205	251
1200	65.8	67.9	70.3	73.4	76.7	80.6	84.5	89.0	93.8	98.9	104	117	130	138	163	181	201	246
1300	65.5	67.7	70.2	73.2	76.5	80.3	84.1	88.5	93.2	98.5	104	116	129	136	161	179	198	241
1400	65.2	67.5	70.1	72.9	76.4	79.9	83.9	88.1	92.8	97.9	103	115	128	135	159	176	195	237
1450	65.1	67.4	69.9	72.9	76.1	79.9	83.7	88.1	92.6	97.5	103	114	127	134	157	175	193	235
1500	64.9	67.4	69.7	72.7	75.9	79.6	83.5	87.8	92.4	97.4	102	114	127	134	156	173	192	232
1600	64.7	67.0	69.4	72.4	75.6	79.1	83.2	87.3	91.8	96.7	101	113	125	132	154	171	188	227
1750	64.1	66.4	69.0	72.0	75.1	78.5	82.5	86.6	90.9	95.7	100	111	123	130	151	167	183	221
1800	64.0	66.1	68.7	71.7	74.9	78.3	82.2	86.2	90.6	95.4	100	111	122	129	150	165	182	218
2000	62.8	65.1	67.8	70.7	74.0	77.4	81.2	85.2	89.3	93.8	98.7	108	120	126	145	160	175	209
2400	60.1	62.6	65.5	68.6	71.7	75.2	78.8	82.5	86.5	90.6	95.0	104	114	119	136	149	162	191
2800	56.7	59.5	62.5	65.6	68.8	72.3	75.7	79.4	83.1	87.0	91.0	99.3	108	113	127	138	149	172
3000	54.7	57.7	60.7	64.0	67.2	70.6	74.0	77.6	81.2	85.0	88.8	96.8	105	109	123	132	142	163
3600		51.1	54.5	57.9	61.3	64.7	68.2	71.6	75.0	78.3	81.8	88.6	95.4	98.8	108	115	122	138
4000			49.5	53.1	56.7	60.2	63.6	66.9	70.3	73.4	76.6	82.7	88.5	91.4	99.4	104	111	125
5000				43.4	46.5	49.1	51.4	54.2	56.4	59.3	62.0	66.6	71.8	74.1	81.5
6000				37.1	39.2	41.4	43.5	46.0	47.8	50.0	52.3	56.6	60.8	62.9

・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