Ultra PX Belt HY type 　Major Specifications

Major Specifications

Belt width	Unit mass kg/m	Initial tension 　N {kgf}
		Recommended value	Maximum value
25	0.113	444 {45.3}	505 {51.5}

Material	Rubber	High strength synthetic rubber
	Tooth fabric	Nylon with superior wear-resistance
	Cord	Carbon fiber and high-strength glass fiber hybrid
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

※Made-to-order product with lot pricing. Contact a Tsubaki representative regarding number of lots.

※ Expand all Collapse all

Circumference 760　～　880

Circumference 896　～　1040

Circumference 1056　～　1208

Circumference 1216　～　1360

Circumference 1400　～　1760

Circumference 1800　～　2160

Circumference 2240　～　2768

Circumference 2800　～　4400

Standard transmission capacity 　kW　(Multiplied by the 1.74 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	71.3	76.39	81.49	86.58	91.67	96.77	101.86	112.05	122.23	127.32	142.6	152.79	162.97	183.35
20	0.24	0.29	0.31	0.34	0.38	0.41	0.45	0.46	0.50	0.53	0.55	0.60	0.66	0.69	0.76	0.81	0.85	0.93
40	0.48	0.55	0.62	0.67	0.74	0.80	0.87	0.92	0.97	1.02	1.09	1.18	1.30	1.33	1.49	1.58	1.67	1.82
60	0.71	0.81	0.90	0.99	1.07	1.16	1.25	1.33	1.42	1.49	1.58	1.74	1.89	1.96	2.17	2.29	2.43	2.67
100	1.14	1.32	1.46	1.61	1.75	1.89	2.03	2.17	2.29	2.43	2.55	2.81	3.06	3.18	3.51	3.72	3.91	4.29
200	2.10	2.38	2.66	2.94	3.21	3.48	3.74	3.98	4.24	4.48	4.73	5.18	5.63	5.82	6.45	6.85	7.18	7.89
300	2.94	3.34	3.72	4.10	4.48	4.85	5.22	5.58	5.93	6.26	6.57	7.18	7.79	8.09	8.94	9.46	9.97	10.9
400	3.74	4.24	4.73	5.20	5.63	6.14	6.57	7.01	7.42	7.84	8.24	9.04	9.86	10.1	11.2	11.9	12.5	13.7
500	4.50	5.06	5.65	6.24	6.76	7.36	7.88	8.40	8.92	9.43	9.98	10.9	11.8	12.2	13.5	14.3	15.0	16.3
600	5.18	5.88	6.54	7.22	7.88	8.50	9.13	9.76	10.3	10.9	11.5	12.6	13.7	14.2	15.7	16.6	17.5	19.0
700	5.86	6.61	7.37	8.17	8.92	9.63	10.3	11.0	11.7	12.4	13.1	14.3	15.6	16.2	17.9	18.9	19.8	21.5
800	6.50	7.37	8.23	9.08	9.91	10.7	11.5	12.3	13.0	13.8	14.5	16.0	17.4	18.0	19.8	20.9	22.0	23.9
900	7.13	8.07	9.03	9.95	10.8	11.7	12.6	13.5	14.3	15.2	16.0	17.6	19.1	19.9	21.8	23.0	24.1	26.2
1000	7.65	8.75	9.83	10.8	11.7	12.7	13.7	14.6	15.6	16.5	17.5	19.1	20.7	21.5	23.6	25.0	26.2	28.5
1100	8.17	9.43	10.5	11.6	12.7	13.8	14.9	15.9	16.9	17.8	18.8	20.7	22.4	23.2	25.5	27.0	28.3	30.7
1200	8.87	10.0	11.2	12.4	13.6	14.7	15.9	17.0	18.1	19.2	20.2	22.2	24.1	24.9	27.2	28.8	30.3	32.7
1300	9.39	10.6	11.9	13.2	14.5	15.6	16.9	18.1	19.2	20.4	21.4	23.6	25.6	26.5	29.0	30.5	32.2	34.7
1400	9.91	11.3	12.6	14.0	15.3	16.5	17.9	19.1	20.4	21.5	22.7	24.9	27.0	27.9	30.6	32.3	33.8	36.7
1450	10.0	11.6	12.9	14.4	15.6	17.0	18.4	19.6	20.9	22.1	23.3	25.5	27.7	28.6	31.3	33.0	34.9	37.5
1500	10.2	11.8	13.3	14.7	16.1	17.4	18.8	20.1	21.4	22.6	23.8	26.1	28.2	29.3	31.9	33.9	35.6	38.3
1600	10.7	12.3	13.9	15.4	16.9	18.3	19.8	21.2	22.5	23.8	25.1	27.5	29.8	30.9	33.6	35.5	37.2	40.1
1750	11.4	13.2	14.9	16.5	18.1	19.5	21.1	22.6	24.0	25.4	26.7	29.3	31.7	32.8	35.9	38.0	39.6	42.4
1800	11.8	13.5	15.1	16.8	18.5	19.9	21.6	23.1	24.6	26.0	27.4	29.9	32.4	33.5	36.6	38.7	40.3	43.0
2000	12.5	14.4	16.3	18.2	19.9	21.4	23.3	24.9	26.5	28.0	29.5	32.3	34.9	36.1	39.4	41.4	43.2	46.1
2400	14.0	16.3	18.4	20.6	22.6	24.4	26.6	28.4	30.2	32.0	33.6	36.8	39.7	41.1	44.8	46.9	48.5	51.3
2800	15.1	17.7	20.1	22.7	25.0	27.0	29.5	31.5	33.5	35.5	37.3	40.7	43.9	45.3	49.1	51.1	52.9	55.5
3000	15.8	18.4	21.0	23.6	26.0	28.1	30.7	32.9	34.9	37.0	38.9	42.4	45.7	47.1	51.1	53.2	55.1	57.6
3600	17.2	20.1	22.9	25.7	28.4	30.9	33.4	35.8	38.1	40.4	42.5	46.6	50.4	52.1	56.8	59.1	61.2	64.2
4000	17.7	20.8	23.8	26.6	29.4	32.1	34.7	37.2	39.7	42.0	44.3	48.5	52.4	54.3	59.2	62.2	64.7	68.7
5000	18.6	21.9	25.2	28.3	31.4	34.3	37.1	40.0	42.6	45.2	47.6	52.4	56.6	58.6	64.2	67.5
6000	18.4	21.5	24.8	28.1	31.1	34.1	36.9	39.8	42.4	45.0	47.6	52.3	56.8	58.9	64.7	68.2

・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 1.74 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	71.3	76.39	81.49	86.58	91.67	96.77	101.86	112.05	122.23	127.32	142.6	152.79	162.97	183.35
20	119	137	152	168	183	197	212	226	240	254	267	293	318	331	366	388	409	449
40	116	133	148	163	177	192	206	219	233	246	259	283	309	320	355	377	398	436
60	112	129	144	158	172	186	200	213	226	239	252	276	300	312	345	366	386	425
100	109	125	140	153	167	180	194	207	219	232	244	268	291	303	335	355	373	410
200	100	113	127	140	153	165	178	190	202	214	225	247	269	277	307	327	342	376
300	93.6	106	118	130	142	154	166	177	188	199	209	228	247	257	284	301	317	348
400	89.4	101	113	124	134	146	156	167	177	187	196	215	235	243	269	285	298	327
500	86.1	96.7	108	119	129	140	150	160	170	180	190	208	226	234	258	274	287	312
600	82.4	93.4	104	114	125	135	145	155	164	174	183	201	218	226	250	265	279	302
700	79.8	90.1	100	111	121	131	140	150	160	169	178	196	212	221	244	257	270	294
800	77.6	88.0	98.1	108	118	128	137	146	156	165	174	191	207	215	237	250	262	286
900	75.5	85.6	95.7	105	115	124	134	143	152	161	169	186	203	211	231	244	256	278
1000	73.4	83.5	93.7	103	112	122	131	140	149	158	167	182	198	206	226	238	250	272
1100	71.5	81.7	91.6	101	111	119	129	138	147	155	163	179	195	201	221	234	246	266
1200	70.1	80.0	89.7	99.3	108	117	127	135	144	152	160	176	191	198	216	229	241	260
1300	68.3	78.3	87.8	97.2	106	115	124	133	141	149	157	173	188	194	213	224	236	254
1400	67.3	77.0	86.1	95.8	104	112	122	130	139	147	155	170	184	190	209	220	231	250
1450	66.6	76.2	85.2	94.8	103	112	121	129	137	145	153	168	182	188	206	217	229	247
1500	65.7	75.5	84.7	93.9	102	111	120	128	136	144	151	166	180	186	203	216	226	244
1600	64.5	74.1	83.3	92.3	101	109	118	126	134	142	149	164	177	184	200	212	222	239
1750	62.6	72.3	81.6	90.3	98.8	106	115	123	131	138	145	160	173	179	195	207	216	231
1800	62.2	71.5	80.5	89.4	98.1	105	114	122	130	137	145	159	172	178	194	205	214	228
2000	59.8	69.0	77.9	86.8	95.1	102	111	119	126	133	141	154	166	172	188	197	206	220
2400	55.8	64.7	73.4	81.9	90.1	97.0	105	113	120	127	133	146	158	163	178	186	193	204
2800	51.6	60.5	69.0	77.4	85.4	92.2	100	107	114	121	127	139	149	154	167	174	180	189
3000	50.1	58.6	66.9	75.1	82.9	89.6	97.7	104	111	117	123	135	145	150	162	169	175	183
3600	45.7	53.4	60.9	68.2	75.3	82.1	88.7	95.1	101	107	112	123	133	138	150	156	162	170
4000	42.4	49.7	56.8	63.6	70.2	76.7	82.9	88.9	94.8	100	105	115	125	129	141	148	154	163
5000	35.6	41.9	48.1	54.1	60.0	65.5	70.9	76.3	81.4	86.3	91.0	100	108	112	122	128
6000	29.2	34.4	39.6	44.7	49.5	54.2	58.8	63.3	67.5	71.6	75.8	83.3	90.4	93.7	103	108

・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