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Timing belt bars / profile selectable / without flanged pulley / aluminium

Timing belt bars / profile selectable / without flanged pulley / aluminium
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Back to the Category Toothed Pulleys/Timing Pulleys/Idler Pulleys

Technical Drawing - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Timing Pulley Bar Stock MXL/XL/S2M/S3M/S5M: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


Material: EN AW-2017 Equiv.

Further specifications can be found under the tab More Information.

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

Part Number
BMXL20

 

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

Part Number:  

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30
45
60
  1. 1
  2. 2
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Part Number
BMXL10
BMXL11
BMXL12
BMXL13
BMXL14
BMXL15
BMXL16
BMXL17
BMXL18
BMXL19
BMXL20
BMXL21
BMXL22
BMXL23
BMXL24
BMXL25
BMXL26
BMXL27
BMXL28
BMXL30
BMXL32
BMXL34
BMXL36
BMXL38
BMXL40
BMXL42
BMXL44
BMXL46
BMXL48
BMXL50
BMXL60
BMXL72
BS2M14
BS2M15
BS2M16
BS2M18
BS2M20
BS2M22
BS2M24
BS2M25
BS2M26
BS2M28
BS2M30
BS2M32
BS2M36
BS2M40
BS2M44
BS2M48
BS2M50
BS2M60
BS3M14
BS3M15
BS3M16
BS3M18
BS3M20
BS3M22
BS3M24
BS3M25
BS3M26
BS3M28
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSBelt Type [T] Number of Teeth

11.78 €

1 Available 8 Days 10MXL10

11.78 €

1 Available 8 Days 10MXL11

11.78 €

1 Available 8 Days 10MXL12

11.78 €

1 Available 8 Days 10MXL13

11.78 €

1 Available 8 Days 10MXL14

11.78 €

1 Available Same day

Stock

10MXL15

11.78 €

1 Available 8 Days 10MXL16

11.78 €

1 Available 8 Days 10MXL17

13.31 €

1 Available 8 Days 10MXL18

13.46 €

1 Available 8 Days 10MXL19

14.23 €

1 Available 8 Days 10MXL20

15.61 €

1 Available 8 Days 10MXL21

16.22 €

1 Available 8 Days 10MXL22

17.29 €

1 Available Same day

Stock

10MXL23

18.52 €

1 Available 8 Days 10MXL24

19.44 €

1 Available 8 Days 10MXL25

20.67 €

1 Available 8 Days 10MXL26

21.73 €

1 Available 8 Days 10MXL27

22.80 €

1 Available 8 Days 10MXL28

25.11 €

1 Available 8 Days 10MXL30

27.39 €

1 Available 8 Days 10MXL32

31.09 €

1 Available 8 Days 10MXL34

32.46 €

1 Available 8 Days 10MXL36

34.59 €

1 Available 8 Days 10MXL38

37.51 €

1 Available 8 Days 10MXL40

42.24 €

1 Available 8 Days 10MXL42

43.17 €

1 Available 8 Days 10MXL44

48.67 €

1 Available 8 Days 10MXL46

48.99 €

1 Available 8 Days 10MXL48

52.05 €

1 Available 8 Days 10MXL50

58.79 €

1 Available 8 Days 10MXL60

62.14 €

1 Available 8 Days 10MXL72

11.78 €

1 Available 8 Days 10S2M14

11.78 €

1 Available 8 Days 10S2M15

11.78 €

1 Available 8 Days 10S2M16

13.31 €

1 Available 8 Days 10S2M18

14.23 €

1 Available 8 Days 10S2M20

16.22 €

1 Available 8 Days 10S2M22

18.52 €

1 Available Same day

Stock

10S2M24

19.44 €

1 Available 8 Days 10S2M25

20.67 €

1 Available 8 Days 10S2M26

22.80 €

1 Available 8 Days 10S2M28

25.11 €

1 Available 8 Days 10S2M30

27.39 €

1 Available 8 Days 10S2M32

32.46 €

1 Available Same day

Stock

10S2M36

37.51 €

1 Available 8 Days 10S2M40

43.17 €

1 Available 8 Days 10S2M44

48.99 €

1 Available 8 Days 10S2M48

52.05 €

1 Available 8 Days 10S2M50

59.08 €

1 Available 8 Days 10S2M60

23.88 €

1 Available Same day

Stock

10S3M14

25.11 €

1 Available 8 Days 10S3M15

26.33 €

1 Available 8 Days 10S3M16

29.86 €

1 Available 8 Days 10S3M18

33.21 €

1 Available 8 Days 10S3M20

36.58 €

1 Available Same day

Stock

10S3M22

39.95 €

1 Available 8 Days 10S3M24

41.80 €

1 Available 8 Days 10S3M25

43.63 €

1 Available Same day

Stock

10S3M26

46.99 €

1 Available 8 Days 10S3M28

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

Timing Pulley Bar Stock MXL/XL/S2M/S3M/S5M:Related Image
Open the technical drawing in the new window

Specification Tables - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Part NumberP.D.O.D.Unit Price
TypeNumber of Teeth
BMXL
MXL		106.475.96 
117.116.61
127.767.25
138.417.90
149.068.55
159.709.19
1610.359.84
1711.0010.49
1811.6411.14 
1912.2911.78 
2012.9412.43 
2113.5813.07 
2214.2313.72 
2314.8814.37 
2415.5215.02 
2516.1715.66 
2616.8216.31 
2717.4616.96 
2818.1117.60 
3019.4018.90 
3220.7020.19 
3421.9921.48 
3623.2922.78 
3824.5824.07 
4025.8725.36 
4227.1726.66 
4428.4627.95 
4629.7529.24 
4831.0530.54 
5032.3431.83 
6038.8138.30 
7246.5746.06 
 
Part NumberP.D.O.D.Unit Price
TypeNumber of Teeth
BXL
XL		1625.8725.36 
1829.1128.60 
1930.7230.22 
2032.3431.83 
2235.5735.07 
2438.8138.30 
2540.4339.92 
2642.0441.53 
2845.2844.77 
3048.5148.00 
3251.7451.24 
3658.2157.70 
4064.6864.17 
 
Part NumberP.D.O.D.Unit Price
TypeNumber of Teeth
BS2M
S2M		148.918.40 
159.559.04
1610.199.68
1811.4610.95 
2012.7312.22 
2214.0113.50 
2415.2814.77 
2515.9215.41 
2616.5516.04 
2817.8317.32 
3019.1018.59 
3220.3719.86 
3622.9222.41 
4025.4624.96 
4428.0127.50 
4830.5630.05 
5031.8331.32 
6038.2037.69 
 
Part NumberP.D.O.D.Unit Price
TypeNumber of Teeth
BS3M
S3M		1413.3712.61 
1514.3213.56 
1615.2814.52 
1817.1916.43 
2019.1018.34 
2221.0120.25 
2422.9222.16 
2523.8723.11 
2624.8324.07 
2826.7425.98 
3028.6527.89 
3230.5629.80 
3634.3833.62 
4038.2037.44 
4442.0241.25 
4845.8445.07 
5047.7546.98 
6057.3056.53 
 
Part NumberP.D.O.D.Unit Price
TypeNumber of Teeth
BS5M
S5M		1422.2821.32 
1625.4624.50 
2031.8330.87 
2438.2037.24 
2539.7938.83 
3047.7546.79 
3250.9349.97 
3657.3056.34 
4063.6662.70 
 

Basic information

Type Timing Pulley Bar Stock Belt Width(mm) 100 Material 2000 Series Aluminum Alloy (Duralumin)
Surface Treatment Not Provided Timing Pulleys/Idlers Pulleys Overall Length L(mm) 100

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Basic Attributes

  • Belt Type

    • MXL
    • XL
    • S2M
    • S3M
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  • [T] Number of Teeth

    • 10
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    • 72

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    • BS3M
    • BS5M
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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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