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Timing belt pulleys / profile selectable / with flanged pulley / clamping flange / aluminium

Timing belt pulleys / profile selectable / with flanged pulley / clamping flange / aluminium
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MISUMI

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Back to the Category Toothed Pulleys/Timing Pulleys/Idler Pulleys

Technical Drawing - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Clamping High Torque Timing Pulleys/S3M/S5M/S8M:Related Image
Open the technical drawing in the new window
 

Available dimensions and tolerances can be found under the tab More Information.
 

Basic Properties (e.g., material, hardness, coating, tolerance) - Toothed Pulleys/Timing Pulleys/Idler Pulleys


■Recommended Shaft Tolerance h7 (g6)
Finish Surface Roughness: Ra = 3.2a or less.
TypeMaterialSurface Treatment
PulleyFlange
HTCPAEN AW-7075 Equiv.Aluminum Alloy 5000 seriesClear Anodize
* Flange is installed.
* Hex socket head cap screws are included. (EN 1.7220 Equiv., Black Oxide)

Further specifications can be found under the tab More Information.
 

Composition of a Product Code - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Part Number-Shaft Bore Dia.
d
 
Type Number of Teeth-Type, Nominal Width
HTCPA40-S3M060-10

 

General Information - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Toothed pulley - synchronous pulley - belt pulley - product assortment

 

Selection details of toothed pulleys/timing pulleys/idler pulleys

- Material: aluminum, steel, stainless steel (stainless steel), plastic

- Coatings: uncoated, burnished, anodized, nickel-plated

- Profile form: 1.5GT, 2GT, 3GT, 5GT, P2M, P3M, P5M, P8M, S2M, S3M, S5M, S8M, S14M, T2.5, T5, T10, AT5, AT10, 5M, 8M, 14M, 8YU, H, L, MXL, XL, PowerGrip GT3: MR2, MR3, MR5

- ISO tolerances: H7

- Belt width (mm): 4, 4.8, 6, 6.4, 7, 7.9, 9, 9.5, 10, 12, 12.7, 15, 18, 19.1, 20, 25, 25.4, 26, 28, 30, 31, 38,1, 40, 50, 50.8, 53, 60, 74, 76.2, 100

- Belt width (inches): 0.19, 0.25, 0.31, 0.37, 0.5, 0.75, 1, 1.5, 2

- Number of teeth: 10 to 72

 

Description/Basics

The toothed pulley for mechanical engineering is intended for the transmission of force and torque. Timing pulleys enable a gear ratio of speeds through belt pulleys of different sizes. Timing pulleys are more efficient, durable and significantly more maintenance-friendly compared to chain transmissions.

How much torque and load a timing pulley can transmit depends on the width of the belt. The width of the belt must be calculated. It is recommended to ensure the belt is correctly tensioned. MISUMI already offers the suitable idler pulley and return rollers with integrated ball bearings. For design and design help follow this link.

Different profile shapes of the toothed belts and belt pulleys are responsible for the transmission of power. Depending on the positioning accuracy, the applied torque and the conveying weight, MISUMI offers the fitting pulley. Toothed belt drives are generally used in the industry in three areas:
Positioning: Timing pulleys is often used in 3D printers. A toothed pulley with a semi-circular profile (e.g., GT) is often used for the required position accuracy of a 3D printers. The round shape offers the benefit of little play when the direction changes.
Drive: toothed pulleys are also used for high torque. In most cases, a timing pulley with a rounded trapezoidal profile (e.g., S8M) is used. These are particularly well suited for the transmission of high forces, which occur in drives of various applications in order to drive mechanical components.
Conveying: toothed pulleys can also be used for transporting loads. A straight trapezoidal profile is often used for this purpose (e.g., AT). This toothed pulley shape offers a large surface for loading and transmitting of loads.

Which toothed pulley or timing pulley is the right one for your application depends on the respective task of the toothed belt drive. Different toothed disc profiles have proven themselves for each type of application.

Various bore hole shapes and fastening variants are available for shaft mounting. These allow fastening via set screws, keyways and by means of Mecha locks. Fastening via a clamping sleeve has the further advantage that it allows adjusting the alignment continuously. The MISUMI product assortment has these ready-to-install.

Application Examples - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Application example: idler pulley - idler pully toothed with chain tensioner - toothed pulley with chain tensioner

Application example: idler pulley
(1) Idler pulleys, (2) chain tensioner

Application example: return roller - return roller with cantilever pin - synchronous pulley with on-board disc - toothed pulley with on-board disc

Application example: deflection roller
S (1) Toothed pulleys with crimp disc, (2) nut, (3) washer, (4) cantilever shaft, (5) retaining ring

Application example: synchronous pulleys - toothed pulleys with toothed belts - toothed pulley with screw-on clamp

Application example: timing pulleys
(1) Flat head screw, (2) Timing pulley, (3) Timing belt, (4) Screw-on terminal

Application example: toothed belt drives - toothed pulleys with crimp disc - idler pulley with crimp disc - tensioning of the toothed belt

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

 

Industrial Applications

3D printer industry
Automotive industry
Pharmaceutical industry
Packaging industry

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Part Number
HTCPA20-S8M150-[12,​13,​14]
HTCPA20-S8M250-[12,​13,​14]
HTCPA22-S8M150-[12,​13,​14,​15,​16]
HTCPA22-S8M250-[12,​13,​14,​15,​16]
HTCPA24-S3M060-4
HTCPA24-S3M100-4
HTCPA24-S5M100-[8,​10]
HTCPA24-S5M150-[8,​10]
HTCPA24-S8M150-[12,​13,​14,​15,​16,​17,​18,​19]
HTCPA24-S8M250-[12,​13,​14,​15,​16,​17,​18,​19]
HTCPA25-S5M100-[8,​10]
HTCPA25-S5M150-[8,​10]
HTCPA25-S8M150-[12,​13,​14,​15,​16,​17,​18,​19]
HTCPA25-S8M250-[12,​13,​14,​15,​16,​17,​18,​19]
HTCPA26-S3M060-4
HTCPA26-S3M100-4
HTCPA26-S5M100-[8,​10]
HTCPA26-S5M150-[8,​10]
HTCPA28-S3M060-4
HTCPA28-S3M100-4
HTCPA28-S5M100-[8,​10]
HTCPA28-S5M150-[8,​10]
HTCPA28-S8M150-[15,​16,​17,​18,​19,​20,​21,​22,​23,​24,​25]
HTCPA28-S8M250-[15,​16,​17,​18,​19,​20,​21,​22,​23,​24,​25]
HTCPA30-S3M060-[6,​8]
HTCPA30-S3M100-[6,​8]
HTCPA30-S5M100-10
HTCPA30-S5M150-10
HTCPA30-S8M150-[15,​16,​17,​18,​19,​20,​21,​22,​23,​24,​25]
HTCPA30-S8M250-[15,​16,​17,​18,​19,​20,​21,​22,​23,​24,​25]
HTCPA32-S3M060-[6,​8]
HTCPA32-S3M100-[6,​8]
HTCPA32-S5M100-[10,​11,​12,​13,​14]
HTCPA32-S5M150-[10,​11,​12,​13,​14]
HTCPA32-S8M150-[18,​19,​20,​21,​22,​23,​24,​25]
HTCPA32-S8M250-[18,​19,​20,​21,​22,​23,​24,​25]
HTCPA34-S5M100-[10-16/1]
HTCPA34-S5M150-[10-16/1]
HTCPA34-S8M150-[18,​19,​20,​21,​22,​23,​24,​25]
HTCPA34-S8M250-[18,​19,​20,​21,​22,​23,​24,​25]
HTCPA36-S3M060-[6,​8]
HTCPA36-S3M100-[6,​8]
HTCPA36-S5M100-[10-16/1]
HTCPA36-S5M150-[10-16/1]
HTCPA36-S8M150-[18,​19,​20,​21,​22,​23,​24,​25]
HTCPA36-S8M250-[18,​19,​20,​21,​22,​23,​24,​25]
HTCPA40-S3M060-[8,​10]
HTCPA40-S3M100-[8,​10]
HTCPA40-S5M100-[10-19/1]
HTCPA40-S5M150-[10-19/1]
HTCPA44-S3M060-[8,​10]
HTCPA44-S3M100-[8,​10]
HTCPA44-S5M100-[12-24/1]
HTCPA44-S5M150-[12-24/1]
HTCPA48-S3M060-[8,​10,​11,​12]
HTCPA48-S3M100-[8,​10,​11,​12]
HTCPA48-S5M100-[12-25/1]
HTCPA48-S5M150-[12-25/1]
HTCPA50-S3M060-[8,​10,​11,​12,​13,​14]
HTCPA50-S3M100-[8,​10,​11,​12,​13,​14]
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSBelt Type Belt Width
(mm) 		[T] Number of Teeth Shaft Bore Dia. [d]
(mm)

-

1 10 Days 10S8M152012 ～ 14

-

1 10 Days 10S8M252012 ～ 14

-

1 10 Days 10S8M152212 ～ 16

-

1 10 Days 10S8M252212 ～ 16

-

1 10 Days 10S3M6244

-

1 10 Days 10S3M10244

-

1 10 Days 10S5M10248 ～ 10

-

1 10 Days 10S5M15248 ～ 10

-

1 10 Days 10S8M152412 ～ 19

-

1 10 Days 10S8M252412 ～ 19

-

1 10 Days 10S5M10258 ～ 10

-

1 10 Days 10S5M15258 ～ 10

-

1 10 Days 10S8M152512 ～ 19

-

1 10 Days 10S8M252512 ～ 19

-

1 10 Days 10S3M6264

-

1 10 Days 10S3M10264

-

1 10 Days 10S5M10268 ～ 10

-

1 10 Days 10S5M15268 ～ 10

-

1 10 Days 10S3M6284

-

1 10 Days 10S3M10284

-

1 10 Days 10S5M10288 ～ 10

-

1 10 Days 10S5M15288 ～ 10

-

1 14 Days 10S8M152815 ～ 25

-

1 14 Days 10S8M252815 ～ 25

-

1 10 Days 10S3M6306 ～ 8

-

1 10 Days 10S3M10306 ～ 8

-

1 10 Days 10S5M103010

-

1 10 Days 10S5M153010

-

1 14 Days 10S8M153015 ～ 25

-

1 14 Days 10S8M253015 ～ 25

-

1 10 Days 10S3M6326 ～ 8

-

1 10 Days 10S3M10326 ～ 8

-

1 10 Days 10S5M103210 ～ 14

-

1 10 Days 10S5M153210 ～ 14

-

1 14 Days 10S8M153218 ～ 25

-

1 14 Days 10S8M253218 ～ 25

-

1 10 Days 10S5M103410 ～ 16

-

1 10 Days 10S5M153410 ～ 16

-

1 14 Days 10S8M153418 ～ 25

-

1 14 Days 10S8M253418 ～ 25

-

1 10 Days 10S3M6366 ～ 8

-

1 10 Days 10S3M10366 ～ 8

-

1 10 Days 10S5M103610 ～ 16

-

1 10 Days 10S5M153610 ～ 16

-

1 14 Days 10S8M153618 ～ 25

-

1 14 Days 10S8M253618 ～ 25

-

1 10 Days 10S3M6408 ～ 10

-

1 10 Days 10S3M10408 ～ 10

-

1 10 Days 10S5M104010 ～ 19

-

1 10 Days 10S5M154010 ～ 19

-

1 10 Days 10S3M6448 ～ 10

-

1 10 Days 10S3M10448 ～ 10

-

1 14 Days 10S5M104412 ～ 24

-

1 14 Days 10S5M154412 ～ 24

-

1 10 Days 10S3M6488 ～ 12

-

1 10 Days 10S3M10488 ～ 12

-

1 14 Days 10S5M104812 ～ 25

-

1 14 Days 10S5M154812 ～ 25

-

1 10 Days 10S3M6508 ～ 14

-

1 10 Days 10S3M10508 ～ 14

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Back to the Category Toothed Pulleys/Timing Pulleys/Idler Pulleys

Technical Drawing - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Clamping High Torque Timing Pulleys/S3M/S5M/S8M:Related Image
Open the technical drawing in the new window

Specification Tables - Toothed Pulleys/Timing Pulleys/Idler Pulleys

■S3M
■For High Torque Timing Belts, see Here.
Part Numberd
Selection		P.D.O.D.DFELClamp ScrewUnit Price
TypeNumber of TeethType, Nominal WidthMTightening Torque (N • m)S3M060S3M100
HTCPA24S3M060
*A:7
*W:11


S3M100
*A:11
*W:15		4       22.9222.16132516920.4  
264       24.8324.072818  
284       26.7425.983020  
3068      28.6527.89203223  
3268      30.5629.803525  
3668      34.3833.6226402812.531.5  
40810      38.2037.444432  
44810      42.0241.253148361443.5  
488101112    45.8445.07335038  
5081011121314  47.7546.98365240  
6081011121314151657.3056.5341614615.556  

■S5M
■For High Torque Timing Belts, see Here.
Part Numberd
Selection		P.D.O.D.DFELClamp ScrewUnit Price
TypeNumber of TeethType, Nominal WidthMTightening Torque (N • m)S5M100S5M150
d≤1920≤dd≤1920≤d
HTCPA24S5M100
*A:11
*W:16



S5M150
*A:17
*W:22		810        38.2037.2426453012.531.5 - -
25810        39.7938.83  
26810        41.3840.423148351443.5  
28810        44.5643.60  
3010         47.7546.795236  
321011121314     50.9349.97365540  
3410111213141516   54.1153.1541614515.556  
3610111213141516   57.3056.34  
401011121314151617181963.6662.70466750  
441213141516171819  70.0369.0746745815.556 - -
2021222324     5516.5612- - 
481213141516171819  76.3975.4346836315.556 - -
202122232425    5516.5612- - 
501213141516171819  79.5878.6246876715.556 - -
202122232425    5516.5612- - 
601213141516171819  95.4994.5346998015.556 - -
202122232425    5516.5612- - 

■S8M
■For High Torque Timing Belts, see Here.
Part Numberd
Selection		P.D.O.D.DFELClamp ScrewUnit Price
TypeNumber of TeethType, Nominal WidthMTightening Torque (N • m)S8M150S8M250
HTCPA20
S8M150
*A:17
*W:22


S8M250
*A:28
*W:33		121314     50.9349.563658401443.5  
221213141516   56.0254.654161451656  
24121314151617181961.1259.74466750  
25121314151617181963.6662.297056  
281516171819   71.3069.938060  
202122232425  5517612
301516171819   76.3975.024687671656  
202122232425  5517612
321819      81.4980.12461656  
202122232425  5517612
341819      86.5885.214695751656  
202122232425  5517612
361819      91.6790.304699801656  
202122232425  5517612

■Allowable Torque (S3M)
TypeNumber of TeethShaft Dia.Allowable Torque (N • m)
S3M24 26 28 40.16
30 3260.95
82.6
3660.95
82.6
4082.6
10
4482.6
10
4882.6
10
11
12
5082.6
10
11
12
13
147.6
6082.6
10
11
12
13
147.6
15
16

■Allowable Torque (S5M)
TypeNumber of TeethShaft Dia.Allowable Torque (N • m)
S5M24 2582.6
10
26 2882.6
10
30102.6
3210
11
12
13
147.6
34 36102.6
11
12
13
147.6
15
16
40102.6
11
12
13
147.6
15
16
17
18
19
44 48 50 60 122.6
13
147.6
15
16
17
18
19
2048
21
2266
23
2495
25

■Allowable Torque (S8M)
TypeNumber of TeethShaft Dia.Allowable Torque (N • m)
S8M20122.6
13
147.6
22122.6
13
147.6
15
16
24 25122.6
13
147.6
15
16
17
18
19
28 30157.6
16
17
18
19
2048
21
2266
23
2495
25
32 34 36 187.6
19
2048
21
2266
23
2495
25


 

 

Basic information

Type Timing Pulleys Material Aluminum Alloy 7000 series Surface Treatment Clear Anodize
Timing Pulleys/Idlers Pulleys

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Basic Attributes

  • Belt Type

    • S3M
    • S5M
    • S8M

    Clear

  • Belt Width(mm)

    • 6
    • 10
    • 15
    • 25

    Clear

  • [T] Number of Teeth

    • 20
    • 22
    • 24
    • 25
    • 26
    • 28
    • 30
    • 32
    • 34
    • 36
    • 40
    • 44
    • 48
    • 50
    • 60

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  • Shaft Bore Dia. [d](mm)

    • 4
    • 6
    • 8
    • 10
    • 11
    • 12
    • 13
    • 14
    • 15
    • 16
    • 17
    • 18
    • 19
    • 20
    • 21
    • 22
    • 23
    • 24
    • 25

     [10-25/1mm Unit(s)]

    Clear

  • Type

    • HTCPA□□S3M
    • HTCPA□□S5M
    • HTCPA□□S8M

    Clear

  • Filter by CAD data type

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Filter by standard shipping days

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    • 10 Days or Less
    • 14 Days or Less

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Optional Attributes

Frequently Asked Questions (FAQ)

Question:

Do you have any belt pulleys without a hole?
Answer:

The MISUMI toothed pulleys always have a pilot bore. It is expanded depending on your configuration. It provides the advantage that the belt pulleys are already provided with a suitable shaft bore ready for installation. Therefore, it does not require time-consuming post-processing.
Question:

Do you have timing pulleys made of aluminum?
Answer:

The MISUMI online shop also offers timing pulleys or toothed pulleys in aluminum. Furthermore, we are also offering belt pulleys in steel and stainless steel. The return rollers and idler pulleys for the timing belts are also available in plastic.
Question:

Is a transmission with toothed belt pulleys possible?
Answer:

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

Question:

Which type of the toothed belt pulley can be clamped during assembly?
Answer:

There are a number of ways to install timing pulleys on a shaft. For applications that are not exposed to high torque, such as conveyors, it can be sufficient to fasten a timing pulley using clamping threaded pins. For this purpose, the shaft should have a flat surface.
For higher loads, a toothed pulley with a keyway can also be used.
A further variant is the fastening of a timing pulley via a conical chip sleeve. Depending on the type of Mecha lock, the timing pulley requires lateral internal threads, which can be added through additional options in the MISUMI online shop.
A timing pulley with a bore hole can also be combined with a Mech lock. MISUMI is offering this combination as a set.

Question:

Where do you position the tension roller?
Answer:

If an idler pulley should be utilised, it should be positioned on the sag side. This means that the idler pulley is attached to the side not subjected to pull.
Ideally, a toothed idler pulley is mounted on the inside of the toothed belt. The tensioning roller should always be larger than the smallest toothed idler pulley of the belt drive system.
If an idler pulley must tension the toothed belt from the outside, then a non-toothed (flat) idler pulley should be used. Cantilever pins, which MISUMI offers in various geometric versions, are suitable for fastening.

Question:

Which parallel key can be used for the toothed pulleys?
Answer:

The parallel key size is based on the shaft diameter. In this case, it is recommended using the MISUMI parallel keys, as they fit better when MISUMI toothed pulleys are used. See Overview available as PDF for keyway tolerances.
Question:

Is a timing pulley with a round profile better?
Answer:

Timing pulleys and round-profile timing belts are not recommended for every application. For example, the round profile shape is well suited for applications that require high positioning accuracy. Therefore, they are often used in 3D printers and scanners. Compared to other profile shapes, the round profile shape has a higher wear resistance. Another advantage of the round profile shape is the minimized play in the return (reverse play).
Question:

Which belt pulley is suitable for Gates toothed belts?
Answer:

The GT and EV timing pulleys are suitable for Gates’ toothed belts. However, these require you put attention to the slope (distance of the teeth) of the toothed belt. It must be checked whether these correspond to the selected toothed pulley.
Question:

Are the curtain discs necessary for the toothed pulleys?
Answer:

It is recommended using the smaller belt pulleys particularly with curb disc. The curb disk ensures that the toothed belt does not migrate down from the toothed belt pulley. Even with the smallest misalignment of a pulley, there may be a risk that the toothed belt will move and jump during operation.
Question:

How is the gearing of the toothed pulleys manufactured?
Answer:

The gear teeth of the MISUMI toothed belt pulley are mainly pushed. This ensures high manufacturing accuracy. As a result, the teeth fit precisely into the toothed belt profile of the timing belts and ensure optimal power and torque transmission.

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