Timing Belts S8M

Brand :

MISUMI

Caution

Product Description

Timing Belts S8M
It is a round tooth profile rubber timing belt. This belt always uses for high torque transmission in an automation machine
[Features]
• Belt Shape: Closed End
• Belt Tooth Type: S8M (round tooth profile)
• Tooth Pitch: 8 mm.
• Belt Width: 15, 25, 30 and 40 mm.
• Circumference Length Shortest/Longest: 400 mm. and 4400 mm.
• Belt Operating Temperature Range: －30 to 90℃.
• Material:
Tooth rubber: Chloroprene
Core wire: Glass Fiber
Backing cloth layer: Nylon canvas
[Applications]
Suitable for use with a timing pulley in a transmission system in an automation machine

Economy S8M Timing Belt

Minimizing VibrationTemperature RangeExceptional Torque

- With increased belt width options and a wider range of lengths, our S8M belts are built to handle the toughest conditions and heavy loads.

- Constructed with high-quality chloroprene rubber, these belts excel in resisting abrasion, oil, and grease, ensuring extended service life even in demanding environments.

- The accurately designed circular tooth profile guarantees smooth and efficient power transmission, minimizing noise and vibration for optimal performance.

- Engineered to function reliably in temperatures ranging from -30°C to 90°C, these belts offer versatility across various operating conditions.

- Designed to handle extremely high torque loads, these S8M belts are engineered for heavy-duty applications where maximum power transmission is required.

MISUMI Standard

Cheaper Price

Product Variety

3D CAD
3D CAD Support

Product Overview

Usually, timing pulleys and timing belt are widely used to design mechanisms for transmitting rotational power generated by motors.
Driving and transmission are realized through the engagement between the teeth of timing pulleys and timing belts.

Dimensional Drawing

Material
① Back Rubber	② Tooth Rubber	③ Core Wire	④ Tooth Fabric
Chloroprene Rubber	Chloroprene Rubber	Glass Fiber	Nylon Cloth

Specification Overview

Types	Belt Nominal Width	Tooth Pitch (mm)	Ra	Lr	H	h	i	PLD	Unit Weight g/m (Width：10mm)

S8M	150 (15mm) 250 (25mm) 300 (30mm) 400 (40mm)	8	5.2	5.2	5.3	3.05	2.25	0.686	52

Belt circumference length is core wire length.

Belt operating temperature range: -30 to 90 ℃.

The model engraved on the back of the product is the factory-managed model, which may be different from the actual product.

For the transmission capacity and calculation and design method of Economy series timing belt, please refer to the national standard (GB) design manual.

Weight is a theoretical value for reference only, which may be different from the actual product.

Part Number		Belt Nominal Width	Number of Teeth	Belt Circumference Length (mm)
Type	Belt Number	Belt Nominal Width	Number of Teeth	Belt Circumference Length (mm)
C-HTBN	288S8M	150 (15mm) 250 (25mm) 300 (30mm) 400 (40mm)	36	288
	328S8M		41	328
	352S8M		44	352
	360S8M		45	360
	368S8M		46	368
	376S8M		47	376
	384S8M		48	384
	392S8M		49	392
	400S8M		50	400
	408S8M		51	408
	416S8M		52	416
	424S8M		53	424
	432S8M		54	432
	440S8M		55	440
	448S8M		56	448
	456S8M		57	456
	464S8M		58	464
	472S8M		59	472
	480S8M		60	480
	488S8M		61	488
	496S8M		62	496
	504S8M		63	504
	512S8M		64	512
	520S8M		65	520
	528S8M		66	528
	536S8M		67	536
	544S8M		68	544
	552S8M		69	552
	560S8M		70	560
	568S8M		71	568
	576S8M		72	576
	584S8M		73	584
	592S8M		74	592
	600S8M		75	600
	608S8M		76	608
	616S8M		77	616
	624S8M		78	624
	632S8M		79	632
	640S8M		80	640
	648S8M		81	648
	656S8M		82	656
	664S8M		83	664
	672S8M		84	672
	680S8M		85	680
	688S8M		86	688
	696S8M		87	696
	704S8M		88	704
	712S8M		89	712
	720S8M		90	720
	728S8M		91	728
	736S8M		92	736
	744S8M		93	744
	752S8M		94	752
	760S8M		95	760
	768S8M		96	768
	776S8M		97	776
	784S8M		98	784
	792S8M		99	792
	800S8M		100	800
	808S8M		101	808
	816S8M		102	816
	824S8M		103	824
	832S8M		104	832
	840S8M		105	840
848S8M	106	848
856S8M	107	856
864S8M	108	864
872S8M	109	872
880S8M	110	880
888S8M	111	888
896S8M	112	896
904S8M	113	904
912S8M	114	912
920S8M	115	920
928S8M	116	928
936S8M	117	936
944S8M	118	944
952S8M	119	952
960S8M	120	960
968S8M	121	968
976S8M	122	976
984S8M	123	984
992S8M	124	992
1000S8M	125	1000
1008S8M	126	1008
1016S8M	127	1016
1024S8M	128	1024
1032S8M	129	1032
1040S8M	130	1040
1048S8M	131	1048
1056S8M	132	1056
1064S8M	133	1064
1072S8M	134	1072

Part Number		Belt Nominal Width	Number of Teeth	Belt Circumference Length (mm)
Type	Belt Number	Belt Nominal Width	Number of Teeth	Belt Circumference Length (mm)
C-HTBN	1080S8M	150 (15mm) 250 (25mm) 300 (30mm) 400 (40mm)	135	1080
	1088S8M		136	1088
	1096S8M		137	1096
	1104S8M		138	1104
	1112S8M		139	1112
	1120S8M		140	1120
	1128S8M		141	1128
	1136S8M		142	1136
	1144S8M		143	1144
	1152S8M		144	1152
	1160S8M		145	1160
	1168S8M		146	1168
	1176S8M		147	1176
	1184S8M		148	1184
	1192S8M		149	1192
	1200S8M		150	1200
	1208S8M		151	1208
	1216S8M		152	1216
	1224S8M		153	1224
	1232S8M		154	1232
	1240S8M		155	1240
	1248S8M		156	1248
	1256S8M		157	1256
	1264S8M		158	1264
	1272S8M		159	1272
	1280S8M		160	1280
	1288S8M		161	1288
	1296S8M		162	1296
	1304S8M		163	1304
	1312S8M		164	1312
	1320S8M		165	1320
	1328S8M		166	1328
	1336S8M		167	1336
	1344S8M		168	1344
	1352S8M		169	1352
	1360S8M		170	1360
	1368S8M		171	1368
	1376S8M		172	1376
	1384S8M		173	1384
	1392S8M		174	1392
	1400S8M		175	1400
	1408S8M		176	1408
	1416S8M		177	1416
	1424S8M		178	1424
	1432S8M		179	1432
	1440S8M		180	1440
	1448S8M		181	1448
	1456S8M		182	1456
	1464S8M		183	1464
	1472S8M		184	1472
	1480S8M		185	1480
	1488S8M		186	1488
	1496S8M		187	1496
	1504S8M		188	1504
	1512S8M		189	1512
	1520S8M		190	1520
	1528S8M		191	1528
	1536S8M		192	1536
	1544S8M		193	1544
	1552S8M		194	1552
	1560S8M		195	1560
	1568S8M		196	1568
	1576S8M		197	1576
	1584S8M		198	1584
1592S8M	199	1592
1600S8M	200	1600
1608S8M	201	1608
1616S8M	202	1616
1624S8M	203	1624
1632S8M	204	1632
1640S8M	205	1640
1648S8M	206	1648
1656S8M	207	1656
1664S8M	208	1664
1720S8M	215	1720
1736S8M	217	1736
1768S8M	221	1768
1672S8M	209	1672
1680S8M	210	1680
1688S8M	211	1688
1696S8M	212	1696
1728S8M	216	1728
1760S8M	220	1760
1776S8M	222	1776
1784S8M	223	1784
1792S8M	224	1792
1800S8M	225	1800
1808S8M	226	1808
1816S8M	227	1816
1824S8M	228	1824
1832S8M	229	1832
1840S8M	230	1840
1856S8M	232	1856

Part Number		Belt Nominal Width	Number of Teeth	Belt Circumference Length (mm)
Type	Belt Number	Belt Nominal Width	Number of Teeth	Belt Circumference Length (mm)
C-HTBN	1880S8M	150 (15mm) 250 (25mm) 300 (30mm) 400 (40mm)	235	1880
	1888S8M		236	1888
	1896S8M		237	1896
	1904S8M		238	1904
	1912S8M		239	1912
	1920S8M		240	1920
	1928S8M		241	1928
	1936S8M		242	1936
	1952S8M		244	1952
	1960S8M		245	1960
	1968S8M		246	1968
	2000S8M		250	2000
	2016S8M		252	2016
	2024S8M		253	2024
	2032S8M		254	2032
	2040S8M		255	2040
	2048S8M		256	2048
	2056S8M		257	2056
	2080S8M		260	2080
	2096S8M		262	2096
	2104S8M		263	2104
	2120S8M		265	2120
	2136S8M		267	2136
	2160S8M		270	2160
	2176S8M		272	2176
	2200S8M		275	2200
	2240S8M		280	2240
	2248S8M		281	2248
	2256S8M		282	2256
	2272S8M		284	2272
	2280S8M		285	2280
	2288S8M		286	2288
	2296S8M		287	2296
	2304S8M		288	2304
	2312S8M		289	2312
	2320S8M		290	2320
	2368S8M		296	2368
	2376S8M		297	2376
	2384S8M		298	2384
	2392S8M		299	2392
	2400S8M		300	2400
	2416S8M		302	2416
	2432S8M		304	2432
	2440S8M		305	2440
	2448S8M		306	2448
	2464S8M		308	2464
	2480S8M		310	2480
	2496S8M		312	2496
	2504S8M		313	2504
	2520S8M		315	2520
	2528S8M		316	2528
	2536S8M		317	2536
	2560S8M		320	2560
	2584S8M		323	2584
	2600S8M		325	2600
	2624S8M		328	2624
	2632S8M		329	2632
	2640S8M		330	2640
	2680S8M		335	2680
	2704S8M		338	2704
	2720S8M		340	2720
	2736S8M		342	2736
	2760S8M		345	2760
	2800S8M		350	2800
2832S8M	354	2832
2848S8M	356	2848
2872S8M	359	2872
2880S8M	360	2880
2904S8M	363	2904
2920S8M	365	2920
2928S8M	366	2928
2936S8M	367	2936
2944S8M	368	2944
2960S8M	370	2960
3000S8M	375	3000
3048S8M	381	3048
3088S8M	386	3088
3120S8M	390	3120
3200S8M	400	3200
3248S8M	406	3248
3264S8M	408	3264
3280S8M	410	3280
3304S8M	413	3304
3360S8M	420	3360
3400S8M	425	3400
3440S8M	430	3440
3600S8M	450	3600
3680S8M	460	3680
3720S8M	465	3720
3744S8M	468	3744
3800S8M	475	3800
3904S8M	488	3904
4000S8M	500	4000
4104S8M	513	4104
4400S8M	550	4400
4416S8M	552	4416
4496S8M	562	4496
4680S8M	585	4680
4720S8M	590	4720
5080S8M	635	5080
5280S8M	660	5280
5600S8M	700	5600

Product Features

		■ S type circular tooth profile rubber timing belt (S2M/S3M/S5M/S8M/S14M) Feature 1: Reasonable semi-circular arc tooth profile design can provide higher torque to adapt to high load transmission. Feature 2: Reduce the noise generated by high-speed operation. Feature 3: Tooth peak changes under force, ensuring a longer life than conventional circular tooth profile teeth. Feature 4: Have certain conductivity Feature 5: Operating Temperature Range: -30 to 90℃.
		■ P type circular tooth profile rubber timing belt (P5M/P8M) Feature 1: Reasonable semi-circular arc tooth profile design can provide higher torque to adapt to high load transmission. Feature 2: Special concave tooth peak design, better reducing noise generated by high-speed operation. Feature 3: Tooth peak changes under force, ensuring greater accuracy than conventional circular tooth profile teeth. Feature 4: Have certain conductivity Feature 5: Operating Temperature Range: -25 to 80℃.
		■ Trapezoidal tooth profile rubber timing belt (MXL/XL/L/H/T5/T10) Feature 1: Suitable for light load transmission, standard torque driving. Feature 2: Tooth rubber uses chloroprene to protect core wire, providing excellent bending fatigue resistance, heat resistance, oil resistance Feature 3: Ideal choice of economical and maintenance-free alternative to traditional transmission method. Feature 4: Have certain conductivity Feature 5: Operating Temperature Range: -30 to 90℃ (MXL/XL/H) , 0 to 80℃ (T5/T10)

Usage Method

■ Installation method for timing belt transmission
①	Turn off the power supply, remove the protective cover, loosen the motor assembly bolts, move the motor so that the belt is loose enough. The belt can be removed without prying. Never try to pry the belt down.
②	Remove the old belt and check for abnormal wear. Excessive wear may mean that there are problems in the design or maintenance of the transmission device.
③	Choose the right belt to replace.
④	To clean the belt and pulley, wipe with a cloth dipped in a small amount of non-volatile liquid. Soaking in detergent or scrubbing the belt with detergent is not advisable. To remove grease, it is also undesirable to wipe with sandpaper or scratch with a sharp object. The belt must be kept dry before installation and use.
⑤	Check the pulley for abnormal wear or cracks. If the wear is excessive, the pulley must be replaced.
⑥	Check whether the pulley is linearly symmetrical. Linear symmetry of the pulley is essential for the operation of the timing belt, especially the timing belt transmission device. Asymmetry of the pulley is shown as follows:

⑦	Check the remaining transmission device components, such as bearings and bushings, for symmetry, durability, lubrication and other conditions.
⑧	Install a new belt on the pulley. Never pry or use too much force.
⑨	Tighten to narrow the center distance of the transmission device until the tension tester detects that the belt tension is appropriate. Turn the driving wheel several times with your hands. Re-test tension.
⑩	Tighten the assembly bolts of the motor and correct the torque. Since any change in the center distance of the transmission device during operation will result in poor belt performance, it is important to ensure that all transmission components have been tightened.
⑪	Start the device and observe the belt performance to see if there is abnormal vibration, and listen carefully if there is abnormal noise. It is best to turn off the machine and check the conditions of the bearing and motor. If it feels too hot to the touch, the belt may be too tight, the bearing may be asymmetrical, or the lubrication may be incorrect.

Precautions

① Do not bend the timing belt by force.
It is strictly forbidden to bend the belt, which easily causes breakage

Do not use in direct contact with water, solvent, oil, acid, alkali, UV, ozone, etc.

③ Please avoid using or keeping at extreme high or low temperatures beyond the operating temperature range, or in humid environments.
④ During installation and maintenance, be sure to cut off the power supply and confirm that the machine is completely stopped before proceeding.
⑤ When there may be impurities, be sure to set the guard.

Example of Use

Usage Method Example Drawing	Instructions for use of timing wheel and timing belt
	① Driving (The driven wheel is driven by the driving wheel for transmission)
	② Transmission (Used for repeated motion with the object not rotating and high requirements on positioning accuracy)

Usage Method Example Drawing	Instructions for use of timing wheel and timing belt
	③ Conveyance (Plates are conveyed by two timing toothed belts)
	④ Traction transmission (Workpieces are clamped and transmitted by the belt)

Application Industries

Food	Semiconductor	Smartphone

Automotive	Electronic & Electrical Appliances	Medical

High Torque Timing Pulleys S2M Type	Flat Belt	(Economy Series) Toothed Timing Belt MXL Type

Typical model: HTPA48S2M040-B-N10	Typical model: HBLT350-4.23	Typical model: C-TBN236MXL025