Timing belts / S#M / PUR, CR / glass fibre, aramid, steel (Part Numbers - CAD Download)

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Technical Drawing - Timing Belts

High Torque Timing Belts - S2M, S3M, S5M, S8M, S14M:Related Image
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Available dimensions and tolerances can be found under the tab More information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Timing Belts

TypeMaterial
HTBNBack RubberChloroprene Rubber
Tooth Rubber
Core WireFiberglass Cord S/Z Alternately Twisted Continuous
Tooth FabricNylon Cloth
HTUNMain BodyPolyurethane
Core WireAramid Fiber

Further specifications can be found under the tab More information.

Composition of a Product Code - Timing Belts

Part Number
 
Type Belt Number-Belt Nominal Width
HTBN
HTUN
 2800 S14M
225 S3M
-
-
400
100

General Information - Timing Belts

Product assortment of synchronous belts - synchronous belt screw-on plates - synchronous belts for high rotating equipment - synchronous belt round - round profile shape - trapezoid profile shape - screw-on plate for profile rail guide

 

Timing Belt Selection Details

- Material: chloroprene rubber (neoprene), polyurethane (PU)

- Tension cord: glass fibre, aramid fibre, steel

- Width (mm): 1 to 101.6

- Width (in.): 0.19 to 4

- Profile (metric): T5, T10, AT5, AT10, S2M, S3M, S5M, S8M, S14M, MTS8M, EV5GT, EV8YU, 2GT, 3GT, MA3, MA5, MA8, P2M, P3M, P5M, P8M, UP5M, UP8M

- Profile (in.): MXL, XL, L, H

 

Description/Basics

Timing belts for mechanical engineering are intended for force and power transmission. Depending on the interlocking of the profile, they can alternatively be used for the material flow (transportation) or for positioning.
Timing belts are more maintenance-friendly, efficient and durable compared to roller chains.


Maintenance-friendly: timing belts do not require lubrication, are easy to replace and are very durable, as they do not sag. These properties significantly reduce maintenance costs.

Efficient: drive belts are largely made of natural rubber or polyurethane. As a result, timing belts withstand high speeds. A further advantage of these materials is the weight reduction compared to conventional metal drives. Timing belts are also known for low-noise running and contribute to the general smooth running of an application.

Durability: due to the inserted tension cord made of glass fibre or aramid fibre (Kevlar), timing belts can withstand high tensile stresses and do not tend to sag. An additional layer of nylon fabric on the interlocked side reduces wear due to abrasion and increases the service life.
 

Timing belts can be used in many ways. The belt profile that suits your application depends on the task of the timing belt. MISUMI offers a suitable belt profile for almost every type of application.


Drive: timing belts are used even at high torque. Drive belts with a rounded trapezoidal profile (e.g., S8M) are often used to drive mechanical components. These are particularly well suited for slip-free transmission of high forces, which can occur in drives of various applications or machines.

Positioning: a semi-circular profile (e.g., GT) is often used for positioning via timing belts. Round profile timing belts are often used in 3D printers and precise scanners. The round shape also offers the advantage that there is little play (reverse play) when the direction changes.

Material flow: timing belts can also be used to transport loads in conveyor systems. A straight trapezoidal profile is often used for this purpose (e.g., AT ). This profile provides a large profile area for load intake and transmission. The MISUMI range also includes conveyor timing belts with nylon fabric on the bearing surface.
 

An overview of the profile forms by application type can be found in the PDF Overview.

The amount of transmission power depends on many factors. The exact maximum load must be considered and calculated individually according to the application. The calculation for timing belts can be found in the selection of Timing Belts as PDF.
In order not to fall below the minimum number of teeth, the minimum size of the timing pulleys should be considered individually.
In general, a timing belt should be provided with the appropriate pretension to maximize the service life of the timing belt. If the pretension is too low, a jump (slip) can cause wear of the timing belt.

 

Application Examples - Timing Belts

Application example: synchronous belt - with screw-on terminal and drive belt - synchronous belt for positioning

Application example: workpiece carrier
(1) Stopper bolt with rubber, (2) belt conveyor, (3) workpiece carrier

Application example: synchronous belt drive - synchronous pulley with crimp disc - idler pulley with crimp disc - synchronous tensioner

Application example: of toothed belt drives
(1) Toothed belt, (2) driven Timing pulleys with crimp disc, (3) idler pulley with crimp disc, (4) driving Timing pulleys with crimp disc

Application example - synchronous belt with profile rail guide - with screw-on terminal for profile rail guide -

Application example: Timing belt
(1) Linear guide, (2) mounting plate, (3) Timing belt, (4) Screw-on terminal

Application example - linear ball bushing and linear shaft synchronous belt - synchronous belt with flange bearings

Application example: Timing belt
(1) Bolt-on terminal, (2) Timing belt, (3) Linear shaft, (4) Linear bushings

 

Industrial Applications

3D printer industry
Automotive industry
Pharmaceutical industry
Packaging industry

Part Number:  

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Part Number
HTBN300S5M-100
HTBN300S5M-150
HTBN300S5M-250
HTBN305S5M-100
HTBN305S5M-150
HTBN305S5M-250
HTBN320S5M-100
HTBN320S5M-150
HTBN320S5M-250
HTBN325S5M-100
HTBN325S5M-150
HTBN325S5M-250
HTBN340S5M-100
HTBN340S5M-150
HTBN340S5M-250
HTBN350S5M-100
HTBN350S5M-150
HTBN350S5M-250
HTBN360S5M-100
HTBN360S5M-150
HTBN360S5M-250
HTBN370S5M-100
HTBN370S5M-150
HTBN370S5M-250
HTBN375S5M-100
HTBN375S5M-150
HTBN375S5M-250
HTBN380S5M-100
HTBN380S5M-150
HTBN380S5M-250
HTBN390S5M-100
HTBN390S5M-150
HTBN390S5M-250
HTBN400S5M-100
HTBN400S5M-150
HTBN400S5M-250
HTBN415S5M-100
HTBN415S5M-150
HTBN415S5M-250
HTBN425S5M-100
HTBN425S5M-150
HTBN425S5M-250
HTBN435S5M-100
HTBN435S5M-150
HTBN435S5M-250
HTBN440S5M-100
HTBN440S5M-150
HTBN440S5M-250
HTBN450S5M-100
HTBN450S5M-150
HTBN450S5M-250
HTBN475S5M-100
HTBN475S5M-150
HTBN475S5M-250
HTBN490S5M-100
HTBN490S5M-150
HTBN490S5M-250
HTBN500S5M-100
HTBN500S5M-150
HTBN500S5M-250
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSBelt material Core Wire Material Belt Type Belt Width (mm)
(mm)
Circumference Length
(mm)
Number of Teeth
(Teeth)

9.87 €

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Stock

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25.55 €

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17.21 €

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26.94 €

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10.88 €

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Back to the Category Timing Belt

Technical Drawing - Timing Belts

High Torque Timing Belts - S2M, S3M, S5M, S8M, S14M:Related Image
Open the technical drawing in the new window

Specification Tables - Timing Belts

TypePitchRaLrHhiPLDUnit Mass g/m (Width: 10mm)
S2M21.31.31.360.760.60.25413.0(11.0)
S3M31.951.951.941.140.80.38119.0(15.0)
S5M53.253.253.411.911.50.48034.0
S8M85.25.25.33.052.250.68652.0
S14M149.19.110.25.34.91.397100.0
Values in ( ) are the unit mass of polyurethane.
Operating Temp. Rubber: -30~90°C, Polyurethane: 0~80°C (Reference Value)
Although some tooth fabrics for S2M, S3M and S5M rubber belts (HTBN) are changed from black to brown to prevent rubber-dust generation, it does not affect the performance.
HTBN has no groove between teeth. (* Marked Parts)
Belt Circumference Length is the length of Core Wire.
HTUN - Polyurethane Type - cannot be used with tension from back side.
Features and Cautions Here How to select products, >> P.2253.
 
■Type: S2M (Pitch: 2mm)
Part NumberNumber of TeethBelt Circumference Length (mm)Unit Price
TypeBelt NumberBelt Nominal WidthHTBNHTUN
40601004060100
HTBN
(Rubber)


HTUN
(Polyurethane)
76 S2M40
(4mm)


60
(6mm)


100
(10mm)
3876   ---
78 S2M3978
80 S2M4080   
88 S2M4488---
90 S2M4590   
100 S2M50100 
112 S2M56112
116 S2M58116---
118 S2M59118
122 S2M61122   
124 S2M62124
126 S2M63126     -
128 S2M64128--
130 S2M65130
132 S2M66132
134 S2M67134
138 S2M69138  
140 S2M70140 
142 S2M71142---
144 S2M72144   
152 S2M76152---
160 S2M80160   
164 S2M82164
166 S2M83166
172 S2M86172
176 S2M88176---
180 S2M90180   
186 S2M93186   ---
190 S2M95190   
194 S2M97194
200 S2M100200
204 S2M102204---
210 S2M105210   
212 S2M106212
214 S2M107214---
218 S2M109218---   
220 S2M110220   
224 S2M112224
230 S2M115230
234 S2M117234---
236 S2M118236   
240 S2M120240---
242 S2M121242
244 S2M122244   
246 S2M123246
250 S2M125250
256 S2M128256---
260 S2M130260---   
266 S2M133266   ---
280 S2M140280   
290 S2M145290
300 S2M150300---
320 S2M160320      
324 S2M162324---
328 S2M164328
330 S2M165330   
340 S2M170340---
360 S2M180360   
370 S2M185370   
380 S2M190380   ---
396 S2M198396---   
400 S2M200400   ---
436 S2M218436   
448 S2M224448
486 S2M243486---   
488 S2M244488
500 S2M250500   ---
520 S2M260520   
560 S2M280560   
572 S2M286572-
580 S2M290580--
600 S2M300600   ---
630 S2M315630      
710 S2M355710   ---
800 S2M400800   
900 S2M450900   ---
984 S2M492984      
1196 S2M5981196      
1250 S2M6251250      
1274 S2M6371274
1290 S2M6451290   ---

■Type: S3M (Pitch: 3mm)
Part NumberNumber of TeethBelt Circumference Length (mm)Unit Price
TypeBelt NumberBelt Nominal WidthHTBNHTUN
6010015060100150
HTBN
(Rubber)


HTUN
(Polyurethane)
120 S3M60
(6mm)


100
(10mm)


150
(15mm)
40120   ---
123 S3M41123-
129 S3M43129
141 S3M47141
144 S3M48144  
150 S3M50150 --
162 S3M54162      
171 S3M57171---
174 S3M58174  
177 S3M59177
180 S3M60180 
186 S3M62186   
189 S3M63189----
192 S3M64192     
195 S3M65195--
201 S3M67201   
207 S3M69207---
210 S3M70210   
213 S3M71213      
219 S3M73219
222 S3M74222---
225 S3M75225  
234 S3M78234--
237 S3M79237
246 S3M82246      
249 S3M83249---
252 S3M84252   
255 S3M85255
264 S3M88264   
273 S3M91273   ---
276 S3M92276   
279 S3M93279---
285 S3M95285
288 S3M96288
291 S3M97291
300 S3M100300   
312 S3M104312   
318 S3M106318   
327 S3M109327---
339 S3M113339   ---
345 S3M115345   
354 S3M118354---
360 S3M120360---   
363 S3M121363      
369 S3M123369
375 S3M125375
384 S3M128384---
387 S3M129387   
396 S3M132396   ---
402 S3M134402---   
405 S3M135405      
408 S3M136408
420 S3M140420
423 S3M141423---
432 S3M144432      
453 S3M151453   
456 S3M152456---
459 S3M153459
474 S3M158474   
480 S3M160480---
483 S3M161483      
486 S3M162486---
501 S3M167501   
507 S3M169507---
519 S3M173519   
525 S3M175525---
537 S3M179537      
540 S3M180540   
564 S3M188564---
591 S3M197591      
600 S3M200600
612 S3M204612---
633 S3M211633      
645 S3M215645   
660 S3M220660---
681 S3M227681---   
741 S3M247741      
750 S3M250750   
804 S3M268804   ---
810 S3M270810
852 S3M284852
900 S3M300900   
918 S3M306918
1050 S3M3501050   
1080 S3M3601080---
1119 S3M3731119
1170 S3M3901170
1203 S3M4011203   
1221 S3M4071221
1236 S3M4121236
1245 S3M4151245
1260 S3M4201260
1290 S3M4301290
1299 S3M4331299   ---
1332 S3M4441332
1401 S3M4671401
1596 S3M5321596   
1680 S3M5601680   
1788 S3M5961788   
2100 S3M7002100   

 
■Type: S5M (Pitch: 5mm)
Part NumberNumber of TeethBelt Circumference Length (mm)Unit Price
TypeBeltBelt Nominal WidthHTBN
Number100150250
HTBN
(Rubber)
225 S5M100
(10mm)


150
(15mm)


250
(25mm)
45225   
230 S5M46230
255 S5M51255
260 S5M52260
295 S5M59295
300 S5M60300
305 S5M61305
320 S5M64320
325 S5M65325
340 S5M68340
350 S5M70350
360 S5M72360   
370 S5M74370
375 S5M75375
380 S5M76380
390 S5M78390
400 S5M80400
415 S5M83415   
425 S5M85425
435 S5M87435
440 S5M88440
450 S5M90450
475 S5M95475   
490 S5M98490
500 S5M100500
520 S5M104520
525 S5M105525   
530 S5M106530
545 S5M109545
550 S5M110550
560 S5M112560   
575 S5M115575
590 S5M118590
595 S5M119595
600 S5M120600
625 S5M125625   
640 S5M128640
650 S5M130650
665 S5M133665   
670 S5M134670
675 S5M135675
690 S5M138690
695 S5M139695
700 S5M140700
710 S5M142710
720 S5M144720
725 S5M145725
730 S5M146730
740 S5M148740
750 S5M150750   
765 S5M153765
780 S5M156780
800 S5M160800   
810 S5M162810
830 S5M166830   
845 S5M169845
850 S5M170850
870 S5M174870  
890 S5M178890
900 S5M180900   
930 S5M186930   
950 S5M190950
975 S5M195975   
1000 S5M2001000
1025 S5M2051025
1050 S5M2101050   
1055 S5M2111055   
1085 S5M2171085
1090 S5M2181090
1100 S5M2201100
1105 S5M2211105-
1115 S5M2231115
1120 S5M2241120
1125 S5M2251125   
1135 S5M2271135
1145 S5M2291145
1160 S5M2321160   
1165 S5M2331165
1195 S5M2391195
1225 S5M2451225
1250 S5M2501250   
1270 S5M2541270
1295 S5M2591295
1350 S5M2701350   
1420 S5M2841420   
1475 S5M2951475
1500 S5M3001500
1505 S5M3011505
1530 S5M3061530
1595 S5M3191595
1605 S5M3211605   
1680 S5M3361680
1715 S5M3431715
1800 S5M3601800   
2000 S5M4002000   
2145 S5M4292145   
2255 S5M4512255   
2480 S5M4962480   

■Type: S8M (Pitch: 8mm)
Part NumberNumber of TeethBelt Circumference Length (mm)Unit Price
TypeBelt NumberBelt Nominal WidthHTBN
150250300400
HTBN
(Rubber)
480 S8M150
(15mm)

250
(25mm)

300
(30mm)

400
(40mm)
60480    
520 S8M65520    
560 S8M70560    
584 S8M73584    
600 S8M75600    
632 S8M79632    
656 S8M82656    
712 S8M89712    
720 S8M90720    
760 S8M95760    
800 S8M100800    
824 S8M103824    
848 S8M106848 
880 S8M110880    
896 S8M112896    
920 S8M115920    
944 S8M118944    
960 S8M120960    
976 S8M122976    
1000 S8M1251000 
1040 S8M1301040    
1056 S8M1321056    
1080 S8M1351080    
1120 S8M1401120    
1136 S8M1421136    
1160 S8M1451160    
1200 S8M1501200    
1248 S8M1561248    
1280 S8M1601280    
1304 S8M1631304    
1360 S8M1701360    
1400 S8M1751400
1440 S8M1801440    
1480 S8M1851480    
1520 S8M1901520    
1600 S8M2001600    
1680 S8M2101680    
1760 S8M2201760    
1800 S8M2251800    
1912 S8M2391912    
2000 S8M2502000    
2240 S8M2802240    
2304 S8M2882304    
2400 S8M3002400    
2496 S8M3122496    
2600 S8M3252600    
2800 S8M3502800    
3200 S8M4003200    
3680 S8M4603680    
4400 S8M5504400    

■Type: S14M (Pitch: 14mm)
Part NumberNumber of TeethBelt Circumference Length (mm)Unit Price
TypeBelt NumberBelt Nominal WidthHTBN
400600
HTBN
(Rubber)
1008 S14M400
(40mm)





600
(60mm)
721008  
1120 S14M801120  
1190 S14M851190  
1246 S14M891246  
1400 S14M1001400  
1540 S14M1101540  
1610 S14M1151610  
1652 S14M1181652  
1778 S14M1271778  
1806 S14M1291806  
1890 S14M1351890  
2100 S14M1502100  
2310 S14M1652310  
2450 S14M1752450  
2590 S14M1852590  
2660 S14M1902660  
2800 S14M2002800  
3500 S14M2503500  
3850 S14M2753850  
4508 S14M3224508  
5012 S14M3585012  

Basic information

Belt shape Closed End Belt tooth surface Standard (Single Sided) Belt-shaped type Round Tooth Profile Super Torque
Transmission torque High Torque Transmission

Frequently Asked Questions (FAQ)

Question:

Where does the idler pulleys have to be placed on the timing belt?

Answer:

As a rule, the idler pulleys are positioned on the slack side, since the tension of the timing belt is here lowest during operation. Ideally, the timing belt is tensioned from the inside, because this prevents the timing belt from bending alternately. This is particularly recommended for timing belts with a steel tension cord. The idler pulley should always be larger than the smallest timing pulley of the belt drive system.

Question:

For what purpose can a timing belt with a round profile be used for?

Answer:

Round profile timing belts can be used in many applications. These are well suited for transmitting torque. In addition, the reverse play is very low due to the round profile shape with changing direction of rotation. The timing belts are also well suited for highly precise positioning. Timing belts with a round tooth profile can therefore often be found in 3D printers.

Question:

Can multiple belts be used for the transfer?

Answer:

A transmission can take place via one or more timing belts. If an equal distribution of the forces across the individual belts is not possible, it must be ensured that one belt alone can withstand the maximum load. In order to enable uniform distribution of forces, a precise adjustment is necessary. For this purpose, a toothed belt disc with clamping sleeve can be used, because it can be adjusted continuously and ensure uniform distribution.

Question:

Can a timing belt used for transmission?

Answer:

With timing belts, a gear ratio or reduction in a drive is possible. The gear ratio is established based on the number of teeth on the pulleys. It should be ensured that the minimum number of teeth of the timing pulley disc is not undercut.

Question:

What is the possible tensile stress for timing belts?

Answer:

The maximum allowable tension for MISUMI timing belts depends on the belt type, speed of rotation and belt pulley diameter. For more information, click on this link.

Question:

What is the minimum size of timing pulleys?

Answer:

The minimum size or the minimum number of teeth of a timing pulley depends on the belt type used and the height of the applied speed or rotation. You can find more detailed information about the minimum number of teeth of timing pulley discs in the selection of Timing Pulleys available as a PDF.

Question:

Does a timing belt stretch a lot?

Answer:

As opposed to a roller chain, the expansion is small. The length extension of timing belts is very stable. Therefore, it is not absolutely necessary to re-tension the timing belt during operation, as is necessary for chain drives. This makes the timing belt very easy to maintain compared to the chain. However, it should be ensured that the timing belt is free of oil, as the natural rubber could swell.

Question:

What is the purpose of a timing belt?

Answer:

The primary task of a timing belt is the synchronous and slip-free transmission of force or power. Depending on the task, various profile shapes are available for timing belts. These can be roughly divided into drive, conveying and positioning. In the following overview, you can view the various areas of use: Overview as PDF

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