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
40	5.6	686 {70.0}	897 {91.5}

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 3.05 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	0.15	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	0.54	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	0.54	0.61	0.67	0.82	0.91	1.03	1.28
60	0.42	0.45	0.45	0.45	0.48	0.51	0.54	0.57	0.61	0.67	0.70	0.79	0.91	0.97	1.18	1.34	1.52	1.89
100	0.70	0.73	0.76	0.79	0.82	0.85	0.91	0.94	1.03	1.09	1.15	1.31	1.49	1.61	1.95	2.19	2.50	3.08
200	1.40	1.43	1.49	1.55	1.64	1.70	1.79	1.92	2.04	2.16	2.28	2.62	2.98	3.20	3.84	4.33	4.91	6.10
300	2.10	2.16	2.25	2.34	2.47	2.56	2.71	2.86	3.05	3.23	3.41	3.93	4.45	4.75	5.70	6.43	7.22	8.99
400	2.80	2.86	2.98	3.11	3.26	3.41	3.59	3.81	4.02	4.30	4.57	5.18	5.88	6.25	7.53	8.47	9.48	11.8
500	3.50	3.59	3.72	3.87	4.08	4.27	4.48	4.75	5.03	5.36	5.70	6.43	7.28	7.77	9.30	10.4	11.7	14.5
600	4.17	4.30	4.45	4.63	4.88	5.12	5.39	5.70	6.00	6.37	6.80	7.65	8.66	9.24	11.0	12.4	13.8	17.2
700	4.88	5.00	5.18	5.39	5.70	5.94	6.25	6.61	7.01	7.41	7.86	8.84	10.0	10.6	12.7	14.2	15.9	19.7
800	5.55	5.73	5.91	6.16	6.49	6.80	7.16	7.53	7.99	8.44	8.96	10.0	11.3	12.0	14.3	16.1	17.9	22.1
900	6.22	6.43	6.64	6.92	7.28	7.62	8.02	8.44	8.93	9.45	10.0	11.2	12.6	13.4	15.9	17.8	19.9	24.4
1000	6.89	7.13	7.38	7.68	8.08	8.44	8.90	9.36	9.88	10.4	11.0	12.4	13.9	14.7	17.5	19.5	21.7	26.6
1100	7.56	7.80	8.11	8.44	8.84	9.27	9.76	10.2	10.8	11.4	12.1	13.5	15.1	16.1	19.0	21.1	23.5	28.8
1200	8.26	8.50	8.81	9.21	9.60	10.0	10.5	11.1	11.7	12.4	13.1	14.6	16.4	17.3	20.4	22.7	25.2	30.8
1300	8.90	9.21	9.54	9.94	10.4	10.9	11.4	12.0	12.6	13.3	14.1	15.7	17.5	18.5	21.8	24.3	26.9	32.8
1400	9.54	9.88	10.2	10.6	11.1	11.6	12.2	12.9	13.5	14.3	15.1	16.8	18.7	19.8	23.2	25.8	28.5	34.6
1450	9.88	10.2	10.5	11.0	11.5	12.1	12.6	13.3	14.0	14.7	15.6	17.3	19.3	20.4	23.9	26.5	29.3	35.5
1500	10.1	10.5	10.9	11.3	11.8	12.4	13.0	13.7	14.4	15.2	16.0	17.8	19.9	20.9	24.5	27.2	30.0	36.4
1600	10.8	11.1	11.6	12.1	12.6	13.2	13.9	14.5	15.3	16.1	17.0	18.9	20.9	22.1	25.8	28.5	31.5	38.0
1750	11.7	12.1	12.6	13.1	13.7	14.3	15.0	15.8	16.6	17.5	18.3	20.4	22.6	23.7	27.6	30.5	33.5	40.4
1800	12.0	12.4	12.9	13.4	14.0	14.7	15.4	16.1	17.0	17.9	18.8	20.8	23.1	24.3	28.2	31.1	34.2	41.1
2000	13.1	13.6	14.1	14.7	15.4	16.1	16.9	17.7	18.6	19.6	20.6	22.7	25.1	26.3	30.4	33.4	36.6	43.7
2400	15.0	15.7	16.4	17.2	17.9	18.8	19.7	20.6	21.6	22.7	23.8	26.1	28.7	30.0	34.3	37.4	40.7	47.9
2800	16.5	17.4	18.2	19.1	20.1	21.1	22.1	23.2	24.3	25.4	26.6	29.0	31.6	33.0	37.3	40.4	43.6	50.5
3000	17.1	18.0	19.0	20.0	21.0	22.1	23.1	24.3	25.4	26.6	27.8	30.3	32.9	34.3	38.5	41.5	44.6	51.2
3600		19.2	20.4	21.8	23.0	24.3	25.6	26.9	28.1	29.4	30.7	33.3	35.8	37.1	40.9	43.5	46.1	52.0
4000			20.7	22.2	23.6	25.1	26.5	27.9	29.3	30.6	31.9	34.5	36.9	38.1	41.5	43.6	46.7	52.5
5000				22.6	24.2	25.6	26.8	28.3	29.4	30.9	32.3	34.8	37.5	38.7	42.6
6000				23.3	24.5	25.9	27.2	28.8	29.9	31.3	32.7	35.5	38.1	39.4

・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	72.0	73.4	75.3	78.2	82.0	86.2	90.1	95.2	102	109	116	132	152	163	207	232	260	318
40	69.0	70.8	72.8	75.5	79.2	83.2	87.1	92.2	98.4	105	111	128	146	157	196	219	247	304
60	68.5	70.3	72.5	75.0	78.8	82.8	86.8	91.8	97.8	104	110	127	144	155	191	214	242	299
100	67.9	69.5	72.1	74.8	78.5	82.3	86.4	91.5	97.5	103	110	126	143	154	187	209	237	295
200	67.3	68.9	71.5	74.5	78.3	82.1	86.2	91.3	97.3	103	109	125	142	153	183	206	233	291
300	67.2	68.8	71.4	74.4	78.2	81.8	86.1	91.1	96.7	103	109	124	141	151	181	205	230	286
400	66.9	68.7	71.1	74.2	78.1	81.7	85.9	90.8	96.2	102	108	124	140	149	179	202	226	282
500	66.7	68.6	71.0	74.0	77.9	81.5	85.7	90.6	95.9	102	108	123	138	148	177	200	223	277
600	66.5	68.4	70.9	73.9	77.7	81.3	85.6	90.5	95.7	101	107	121	137	146	175	197	220	273
700	66.3	68.3	70.7	73.7	77.6	81.1	85.4	90.1	95.5	101	107	120	136	145	173	194	217	268
800	66.1	68.2	70.6	73.6	77.4	80.9	85.3	89.9	95.3	100	107	120	135	143	171	192	214	264
900	65.9	68.1	70.5	73.5	77.1	80.7	85.1	89.5	94.7	100	106	119	134	142	169	189	211	259
1000	65.8	68.0	70.4	73.3	77.0	80.5	84.9	89.2	94.2	99.6	105	118	133	141	166	186	207	254
1100	65.7	67.8	70.2	73.2	76.7	80.4	84.6	88.9	93.8	99.3	104	117	131	139	164	183	204	250
1200	65.6	67.7	70.1	73.1	76.4	80.3	84.2	88.7	93.5	98.6	104	116	130	137	162	181	201	245
1300	65.3	67.5	70.0	73.0	76.3	80.0	83.8	88.2	92.9	98.2	103	115	129	136	160	178	197	241
1400	65.0	67.3	69.9	72.7	76.1	79.7	83.6	87.9	92.5	97.6	103	114	127	135	158	175	194	236
1450	64.9	67.2	69.7	72.7	75.9	79.6	83.4	87.8	92.3	97.2	102	114	127	134	157	174	193	234
1500	64.7	67.1	69.5	72.4	75.7	79.3	83.2	87.5	92.1	97.1	102	113	126	133	156	173	191	231
1600	64.5	66.7	69.2	72.1	75.3	78.9	82.9	87.0	91.5	96.4	101	112	125	132	154	170	188	227
1750	63.9	66.1	68.8	71.7	74.9	78.3	82.2	86.3	90.6	95.4	100	111	123	129	150	166	183	220
1800	63.8	65.9	68.5	71.5	74.7	78.1	81.9	85.9	90.3	95.1	99.9	110	122	128	149	165	181	218
2000	62.6	64.9	67.6	70.5	73.8	77.1	80.9	84.9	89.0	93.5	98.4	108	119	125	145	159	175	208
2400	59.9	62.4	65.3	68.3	71.5	74.9	78.5	82.2	86.2	90.4	94.7	104	114	119	136	148	161	190
2800	56.5	59.3	62.3	65.3	68.6	72.0	75.5	79.1	82.8	86.7	90.7	99.0	107	112	127	137	148	172
3000	54.5	57.5	60.5	63.8	67.0	70.4	73.7	77.3	80.9	84.7	88.5	96.5	104	109	122	132	142	163
3600		50.9	54.3	57.7	61.1	64.5	67.9	71.3	74.7	78.1	81.5	88.3	95.1	98.5	108	115	122	138
4000			49.3	53.0	56.5	60.0	63.4	66.7	70.0	73.2	76.3	82.4	88.2	91.1	99.1	104	111	125
5000				43.3	46.3	48.9	51.2	54.0	56.2	59.1	61.8	66.4	71.6	73.9	81.3
6000				37.0	39.1	41.3	43.4	45.9	47.6	49.8	52.1	56.4	60.6	62.7

・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