Timing belts / T# / PUR / steel (Part Numbers - CAD Download)

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Technical Information

Back to the Category Timing Belt

Technical Drawing - Timing Belts

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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

	Material
Main Body	Polyurethane
Core Wire	Steel Cord

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
TTBU	550 T5	- 100

General Information - Timing Belts

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: 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

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Part Number
TTBU625T5-100
TTBU625T5-150
TTBU625T5-200
TTBU625T5-250
TTBU630T5-100
TTBU630T5-150
TTBU630T5-200
TTBU630T5-250
TTBU650T5-100
TTBU650T5-150
TTBU650T5-200
TTBU650T5-250
TTBU675T5-100
TTBU675T5-150
TTBU675T5-200
TTBU675T5-250
TTBU690T5-100
TTBU690T5-150
TTBU690T5-200
TTBU690T5-250
TTBU700T5-100
TTBU700T5-150
TTBU700T5-200
TTBU700T5-250
TTBU725T5-100
TTBU725T5-150
TTBU725T5-200
TTBU725T5-250
TTBU750T5-100
TTBU750T5-150
TTBU750T5-200
TTBU750T5-250
TTBU780T5-100
TTBU780T5-150
TTBU780T5-200
TTBU780T5-250
TTBU800T5-100
TTBU800T5-150
TTBU800T5-200
TTBU800T5-250
TTBU850T5-100
TTBU850T5-150
TTBU850T5-200
TTBU850T5-250
TTBU900T5-100
TTBU900T5-150
TTBU900T5-200
TTBU900T5-250

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Belt Type	Belt Width (mm) (mm)	Circumference Length (mm)	Number of Teeth (Teeth)
11.52 € 3.80 €	1	Available	Same day Stock	10	T5	10	625	125
16.08 €	1	Available	74 Days	10	T5	15	625	125
21.64 €	1	Available	7 Days	10	T5	20	625	125
28.35 €	1	Available	7 Days	10	T5	25	625	125
11.64 €	1	Available	7 Days	10	T5	10	630	126
16.19 €	1	Available	7 Days	10	T5	15	630	126
22.13 €	1	Available	7 Days	10	T5	20	630	126
28.96 €	1	Available	7 Days	10	T5	25	630	126
11.64 €	1	Available	7 Days	10	T5	10	650	130
16.19 €	1	Available	7 Days	10	T5	15	650	130
22.13 €	1	Available	7 Days	10	T5	20	650	130
28.96 €	1	Available	7 Days	10	T5	25	650	130
11.77 €	1	Available	7 Days	10	T5	10	675	135
16.70 €	1	Available	74 Days	10	T5	15	675	135
22.52 €	1	Available	7 Days	10	T5	20	675	135
29.48 €	1	Available	7 Days	10	T5	25	675	135
11.90 €	1	Available	7 Days	10	T5	10	690	138
17.08 €	1	Available	7 Days	10	T5	15	690	138
22.65 €	1	Available	7 Days	10	T5	20	690	138
29.74 €	1	Available	7 Days	10	T5	25	690	138
11.90 €	1	Available	7 Days	10	T5	10	700	140
17.08 €	1	Available	7 Days	10	T5	15	700	140
22.65 €	1	Available	7 Days	10	T5	20	700	140
29.74 €	1	Available	7 Days	10	T5	25	700	140
12.02 €	1	Available	7 Days	10	T5	10	725	145
17.47 €	1	Available	7 Days	10	T5	15	725	145
23.14 €	1	Available	7 Days	10	T5	20	725	145
30.25 €	1	Available	7 Days	10	T5	25	725	145
12.13 €	1	Available	7 Days	10	T5	10	750	150
17.96 €	1	Available	9 Days	10	T5	15	750	150
23.28 €	1	Available	7 Days	10	T5	20	750	150
30.49 €	1	Available	74 Days	10	T5	25	750	150
12.52 €	1	Available	7 Days	10	T5	10	780	156
18.34 €	1	Available	7 Days	10	T5	15	780	156
23.92 €	1	Available	7 Days	10	T5	20	780	156
31.26 €	1	Available	7 Days	10	T5	25	780	156
12.52 €	1	Available	7 Days	10	T5	10	800	160
18.34 €	1	Available	7 Days	10	T5	15	800	160
23.92 €	1	Available	7 Days	10	T5	20	800	160
31.26 €	1	Available	7 Days	10	T5	25	800	160
12.91 €	1	Available	7 Days	10	T5	10	850	170
18.86 €	1	Available	7 Days	10	T5	15	850	170
24.43 €	1	Available	7 Days	10	T5	20	850	170
32.00 €	1	Available	7 Days	10	T5	25	850	170
13.41 €	1	Available	7 Days	10	T5	10	900	180
19.10 €	1	Available	7 Days	10	T5	15	900	180
24.93 €	1	Available	7 Days	10	T5	20	900	180
31.64 €	1	Available	7 Days	10	T5	25	900	180

Back to the Category Timing Belt

Technical Drawing - Timing Belts

Open the technical drawing in the new window

Specification Tables - Timing Belts

Type	Pitch	H	h	L	Unit Mass g/m (Width: 10mm)
T5	5	2.2	1.2	1.8	20.0
T10	10	4.5	2.5	3.5	42.0

Operating Temp.: 0~80°C
Belt Circumference Length is the length of Core Wire.
Cannot be used with tension from back side.
How to select products, >> P.2253.

■Type: T5 (Pitch: 5mm)

Part Number			Number of Teeth	Belt Circumference Length (mm)	Unit Price
Type	Belt Number	Belt Nominal Width			Belt Nominal Width
Type	Belt Number	Belt Nominal Width			100	150	200	250
TTBU	185T5	100 (10mm) 150 (15mm) 200 (20mm) 250 (25mm)	37	185
	200T5		40	200
	225T5		45	225
	250T5		50	250
	275T5		55	275
	280T5		56	280
	295T5		59	295
	300T5		60	300
	325T5		65	325
	350T5		70	350
	375T5		75	375
	400T5		80	400
	425T5		85	425
	440T5		88	440
	450T5		90	450
	475T5		95	475
	500T5		100	500
	525T5		105	525
	550T5		110	550
	575T5		115	575
	590T5		118	590
	600T5		120	600
	625T5		125	625
	630T5		126	630
	650T5		130	650
	675T5		135	675
	690T5		138	690
	700T5		140	700
	725T5		145	725
	750T5		150	750
	780T5		156	780
	800T5		160	800
	850T5		170	850
	900T5		180	900
	1000T5		200	1000
	1075T5		215	1075
	1090T5		218	1090
	1100T5		220	1100
	1115T5		223	1115
	1215T5		243	1215
	1350T5		270	1350
	1380T5		276	1380

■Type: T10 (Pitch: 10mm)

Part Number			Number of Teeth	Belt Circumference Length (mm)	Unit Price
Type	Belt Number	Belt Nominal Width			Belt Nominal Width
Type	Belt Number	Belt Nominal Width			150	200	250	300	400	500
TTBU	400T10	150 (15mm) 200 (20mm) 250 (25mm) 300 (30mm) 400 (40mm) 500 (50mm)	40	400
	450T10		45	450						-
	500T10		50	500
	530T10		53	530
	550T10		55	550
	560T10		56	560
	600T10		60	600
	630T10		63	630						-
	650T10		65	650						-
	700T10		70	700
	720T10		72	720
	750T10		75	750
	800T10		80	800
	850T10		85	850
	900T10		90	900						-
	910T10		91	910						-
	920T10		92	920
	950T10		95	950
	960T10		96	960						-
	980T10		98	980
	1000T10		100	1000
	1050T10		105	1050
	1100T10		110	1100						-
	1150T10		115	1150
	1200T10		120	1200
	1250T10		125	1250
	1300T10		130	1300						-
	1320T10		132	1320
	1350T10		135	1350
	1400T10		140	1400
	1450T10		145	1450
	1500T10		150	1500						-
	1600T10		160	1600
	1700T10		170	1700
	1750T10		175	1750
	1800T10		180	1800						-
	1880T10		188	1880

Products homepage

Basic information

Belt shape	Closed End	Belt tooth surface	Standard (Single Sided)	Belt material	Polyurethane Belt
Core Wire Material	Steel Cord	Belt-shaped type	Trapezoidal Tooth Profile Metric Type	Transmission torque	Regular Torque Transmission

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Basic Attributes

Belt Width (mm)(mm)
10

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20

25

30

40

50
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Circumference Length(mm)
185

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275

280

295

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525

530

550

560

575

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675

690

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1250

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Number of Teeth(Teeth)
37

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50

53

55

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59

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63

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145

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156

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188

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215

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223

243

270

276
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Type
- TTBU□□T10
- TTBU□□T5
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- T5
- T10
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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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