Timing Pulleys HTD 3M

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MISUMI
- **RoHS Compliant is available for some part numbers.
Please contact with MISUMI for detail effective date.
Timing Pulleys HTD 3M
Timing Pulleys are an economy item, The price is cheaper than the MISUMI standard product.They offer a wide variety of sizes to choose from.
[Feature]
● Belt Width Used (mm.) : 6, 9, and 12
● Applicable with Belt Type : 3M
● Number of Teeth Minimum/Maximum : 14 and 36
● Shaft Bore Diameter (mm.) : 5, 6, 6.35, 8 ,10 ,12 and 14
● Shaft Bore Specs. : Can select between Round Hole + Threaded hole and New JIS keyway + Tap
● Material : Aluminum Alloy
● Surface treatment : Clear Anodized
[Application]
Timing pulleys are frequently utilized in systems that incorporate timing belts to regulate and govern the movement of the machinery.
See more ...
Timing Pulleys are an economy item, The price is cheaper than the MISUMI standard product.They offer a wide variety of sizes to choose from.
[Feature]
● Belt Width Used (mm.) : 6, 9, and 12
● Applicable with Belt Type : 3M
● Number of Teeth Minimum/Maximum : 14 and 36
● Shaft Bore Diameter (mm.) : 5, 6, 6.35, 8 ,10 ,12 and 14
● Shaft Bore Specs. : Can select between Round Hole + Threaded hole and New JIS keyway + Tap
● Material : Aluminum Alloy
● Surface treatment : Clear Anodized
[Application]
Timing pulleys are frequently utilized in systems that incorporate timing belts to regulate and govern the movement of the machinery.
See more ...
■Longer Timing Belt Life
·MISUMI Economy series Timing Pulley, with deburring treatment at the tapped hole, is not easy to wear the timing belt, and the price is cheap while increasing the lifetime of the timing belt.
※ Problems of products circulating on the market
N New JIS keyway + Tap
Detailed Dimensions of Keyway
The positions of keyway and tooth are not fixed.
The threaded hole of the Shape A Timing Pulley is located near 120° to avoid interference with the tooth top.
The flange is riveted and no fixing screws are included with the shaft hole specifications P and N.
HTD 3M timing belt idlers, suitable for MISUMI HTD 3M timing belts.
For hole specifications P (round hole + threaded hole) or N (round hole + keyway hole), the fixing screws are not included, and you may purchase them from MISUMI according to the recommended fixing screw models.
There may be no surface treatment in the shaft hole.
The positions of keyway and tooth are not fixed.
Economy HTD 3M Timing Pulley
Timing PulleyBelt CompatibilityFlexible Options
- Wide range of teeth options for flexibility
- Suitable for multiple belt widths.
- Clear anodized surface for enhanced durability
- Pulley with multiple shaft bore options
- Easy installation with chamfered and tapped holes

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MISUMI Standard
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Cheaper Price
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Product Variety
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3D CAD Support
Product of Timing Pulley Overview
Usually, Timing Pulley, timing idlers and timing belts 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, timing idlers and timing belts.
Product of Timing Pulley Features
■More Convenient On-site Assembly
·MISUMI Economy series Timing Pulley is chamfered at the shaft hole and tapped hole for easy installation, reducing assembly time by 27% compared to the timing pulley not chamfered.

* The values above are averages of test data and may vary individually.
·MISUMI Economy series Timing Pulley is chamfered at the shaft hole and tapped hole for easy installation, reducing assembly time by 27% compared to the timing pulley not chamfered.

* The values above are averages of test data and may vary individually.

·MISUMI Economy series Timing Pulley, with deburring treatment at the tapped hole, is not easy to wear the timing belt, and the price is cheap while increasing the lifetime of the timing belt.
![]() | [Timing Pulley Test conditions] Belt series: 5M Belt width: 15mm Number of teeth of drive side pulley: 20 Number of teeth of driven side pulley: 20 Speed: 3000rpm Tension (N): 110N Test time: 72H |
Dimensional of Timing Pulley Drawing
Timing Pulley Standard Tooth Profile

The tooth groove size varies slightly with the number of teeth
(Pitch: 3.0mm)

The tooth groove size varies slightly with the number of teeth
(Pitch: 3.0mm)
Timing Pulley Shape A

Timing Pulley Shape B

Timing Pulley Shape K

Shaft hole specification
P round hole+threaded hole
The threaded hole of Shape A Timing Pulley is located near 120° to avoid interference with the tooth top.
P round hole+threaded hole

The threaded hole of Shape A Timing Pulley is located near 120° to avoid interference with the tooth top.N New JIS keyway + Tap

Detailed Dimensions of Keyway
The positions of keyway and tooth are not fixed.
The threaded hole of the Shape A Timing Pulley is located near 120° to avoid interference with the tooth top.Tapped Hole Size Table
(Shaft Bore Specs.: P·N)
Timing Pulley are not provided with fixing screws. You may purchase them separately referring to the recommended fixing screw models.
(Shaft Bore Specs.: P·N)
| dH7 Shaft Hole ID | 2-M (Coarse Thread) | Single Model of Fixing Screw | Box Model of Fixing Screw |
| 5 | M3 | MSSU3-3 | BOX-MSSU3-3 |
| 6 to 14 | M4 | MSSU4-3 | BOX-MSSU4-3 |
Timing Pulley are not provided with fixing screws. You may purchase them separately referring to the recommended fixing screw models.Specifications of Timing Pulley Overview
| Part Number | Timing Pulley Material | Surface Treatment | |||
| Belt Width 6mm | Belt Width 9mm | Belt Width 12mm | Pulley | Flange | |
| A: 7 W: 11 L: 19 | A: 11 W: 15 L: 23 | A: 14 W: 18 L: 26 | |||
| H3M060 | H3M090 | H3M120 | Aluminum Alloy | Aluminum Alloy | Clear Anodized |
The flange is riveted and no fixing screws are included with the shaft hole specifications P and N.Usage of Timing Pulley Method
| Usage Method Example of Timing Pulley Drawing | Usage Method of Timing Wheel and Timing Belt |
![]() | ①Timing Pulley Driving The driven wheel is driven by the driving wheel for transmission |
![]() | ②Timing Pulley Linear driving Reciprocating motion is carried out through the self-end timing toothed belt. |
| Usage Method Example Drawing | Usage Method of Timing Wheel and Timing Belt |
![]() | ③Timing Pulley Conveyance Plates are conveyed by two timing toothed belts |
![]() | ④Timing Pulley Traction transmission Workpieces are clamped and transmitted by the belt |
HTD 3M timing belt idlers, suitable for MISUMI HTD 3M timing belts.Example of Timing Pulley Use

■Timing Pulley Mechanism name
Workpiece Reversal Transfer Mechanism
■ Mechanism function
The workpiece moving on the conveyor belt rotates 90 degrees and then transfers to the next process.
Timing Pulley The chuck mechanism rotates 180 degrees and transfers the workpiece without changing the direction of the workpiece relative to the conveying direction.
■Role of the timing pulley
The transmission of the timing pulley and the timing belt changes the placement direction of the workpiece while transferring the workpiece. (Applicable to S specification and GT specification timing pulleys)
For details, please click Workpiece Reversal Transfer Mechanism.
Workpiece Reversal Transfer Mechanism
■ Mechanism function
The workpiece moving on the conveyor belt rotates 90 degrees and then transfers to the next process.
Timing Pulley The chuck mechanism rotates 180 degrees and transfers the workpiece without changing the direction of the workpiece relative to the conveying direction.
■Role of the timing pulley
The transmission of the timing pulley and the timing belt changes the placement direction of the workpiece while transferring the workpiece. (Applicable to S specification and GT specification timing pulleys)
For details, please click Workpiece Reversal Transfer Mechanism.
Timing Pulley Related Industries
| Semiconductor | Automotive | Smart phone | ||
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| Medical | Electronic & Electrical Appliances | Robotics | ||
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Timing Pulley Precautions
For hole specifications P (round hole + threaded hole) or N (round hole + keyway hole), the fixing screws are not included, and you may purchase them from MISUMI according to the recommended fixing screw models.
There may be no surface treatment in the shaft hole.
The positions of keyway and tooth are not fixed.Timing Pulley Related Documents
Technical Data of Timing Toothed Belts, Timing Pulley and Idlers
①Data on the selection of timing pulleys and timing toothed belts, tensioning force, etc. (drive).
②Data on the selection of timing pulleys and timing toothed belts, tensioning force, etc. (transmission & conveyance).
③Main causes and countermeasures for the damage, breakage, abnormal noise of timing toothed belts.
④Reference data on the replacement time of timing toothed belts.
⑤Data on dimensional tolerance of timing pulleys and timing idlers.
①Data on the selection of timing pulleys and timing toothed belts, tensioning force, etc. (drive).
②Data on the selection of timing pulleys and timing toothed belts, tensioning force, etc. (transmission & conveyance).
③Main causes and countermeasures for the damage, breakage, abnormal noise of timing toothed belts.
④Reference data on the replacement time of timing toothed belts.
⑤Data on dimensional tolerance of timing pulleys and timing idlers.
Timing Pulley Related Products
| Flat-belt idlers, Width (T), 6 to 32 mm | Timing Belts H3M | Timing Belts H5M | ||
![]() | ![]() | ![]() | ||
| Timing Pulley Typical model: HBG15-6 | Timing Pulley Typical model: C-HTBN105H3M-60 | Timing Pulley Typical model: C-HTBN200H5M-90 | ||
| Advantages: short delivery time, multiple types | Advantages: short delivery time, multiple types | Advantages: short delivery time, multiple types |
Dimensional Drawing
Standard Tooth Profile

The tooth groove size varies slightly with the number of teeth
(Pitch: 3.0mm)

The tooth groove size varies slightly with the number of teeth
(Pitch: 3.0mm)
Pulley Shape Shape A


Shape B


Shape K


Shaft hole specification
P round hole+threaded hole

The threaded hole of pulley is located near 120° to avoid interference with the tooth top.
P round hole+threaded hole

The threaded hole of pulley is located near 120° to avoid interference with the tooth top.N New JIS keyway + Tap

Detailed Dimensions of Keyway
The positions of keyway and tooth are not fixed.
The threaded hole of the Shape A pulley is located near 120° to avoid interference with the tooth top.Tapped Hole Size Table
(Shaft Bore Specs.: P·N)
Timing pulleys are not provided with fixing screws. You may purchase them separately referring to the recommended fixing screw models.
(Shaft Bore Specs.: P·N)
| dH7 Shaft Hole ID | 2-M (Coarse Thread) | Single Model of Fixing Screw | Box Model of Fixing Screw |
| 5 | M3 | MSSU3-3 | BOX-MSSU3-3 |
| 6 to 14 | M4 | MSSU4-3 | BOX-MSSU4-3 |
Timing pulleys are not provided with fixing screws. You may purchase them separately referring to the recommended fixing screw models.Specification Table
■Material Specification Table
The flange is riveted and no fixing screws are included with the shaft hole specifications P and N.
■ Dimension Specification Table
| Part Number | Material | Surface Treatment | |||
| Belt Width 6mm | Belt Width 9mm | Belt Width 12mm | Pulley | Flange | |
| A: 7 W: 11 L: 19 | A: 11 W: 15 L: 23 | A: 14 W: 18 L: 26 | |||
| H3M060 | H3M090 | H3M120 | Aluminum Alloy | Aluminum Alloy | Clear Anodized |
The flange is riveted and no fixing screws are included with the shaft hole specifications P and N. ■ Dimension Specification Table
| Part Number | Pulley Shape | Shaft Hole Specification (mm) | P.D. | O.D. | F | E | ||||||
| P Round Hole + Tap | N Keyway Hole + Tap | |||||||||||
| Number of Teeth | Type・Nominal Width | H3M060 | H3M090 | H3M120 | H3M060 | H3M090 | H3M120 | |||||
| 18 | H3M060 H3M090 H3M120 | A | 5 | 5, 6 | 5 | 17.19 | 16.43 | 20 | 13 | |||
| 20 | 5, 6 | 5, 6 | 6 | 19.1 | 18.34 | 22 | 14 | |||||
| 22 | 6, 8 | 5, 6, 6.35, 8 | 6, 8 | 21.01 | 20.25 | 25 | 16 | |||||
| 24 | 5, 6, 8, 10 | 5, 6, 8, 10 | 6, 8, 10 | 22.92 | 22.16 | 25 | 16 | |||||
| 25 | 8, 10 | 8, 10 | 8, 10 | 8, 10 | 8, 10 | 8, 10 | 23.87 | 23.11 | 28 | 18 | ||
| 28 | 8, 10 | 8, 10 | 8, 10 | 8, 10 | 8, 10 | 8, 10 | 26.74 | 25.98 | 30 | 20 | ||
| 30 | 8, 10, 14 | 8, 10, 14 | 8, 10, 14 | 8, 10, 14 | 28.65 | 27.89 | 32 | 23 | ||||
| 32 | 8, 10, 14 | 8, 10, 14 | 8, 10, 14 | 8, 10, 14 | 30.56 | 29.80 | 35 | 25 | ||||
| 36 | 8, 10 | 8, 10 | 8, 10, 12, 14 | 8, 10, 12, 14 | 34.38 | 33.62 | 40 | 28 | ||||
| Part Number | Pulley Shape | Shaft Hole Specification (mm) | P.D. | O.D. | D | F | E | |||||
| P Round Hole + Tap | N Keyway Hole + Tap | |||||||||||
| Number of Teeth | Type・Nominal Width | S3M060 | S3M100 | S3M150 | H3M090 | H3M120 | ||||||
| 14 | H3M060 H3M090 H3M120 | K B | 5 | 5 | 5 | 13.37 | 12.61 | 16 | 16 | 10 | ||
| 15 | 5 | 5 | 5 | 14.32 | 13.56 | 18 | 18 | 11 | ||||
| 16 | 5 | 5, 6.35 | 5 | 15.28 | 14.52 | |||||||
| 18 | 5, 6 | 5, 6 | 5, 6 | 17.19 | 16.43 | 20 | 20 | 13 | ||||
| 20 | 5, 6 | 5, 6, 6.35 | 5, 6 | 19.1 | 18.34 | 22 | 22 | 14 | ||||
| 22 | 6, 8 | 6, 8 | 6, 8 | 21.01 | 20.25 | 25 | 25 | 16 | ||||
| 24 | 6, 8 | 6, 8 | 6, 8 | 22.92 | 22.16 | 14 | 25 | 16 | ||||
| 25 | 8, 10 | 8, 10 | 8, 10 | 23.87 | 23.11 | 16 | 28 | 18 | ||||
| 28 | 8, 10 | 8, 10 | 8, 10 | 8 | 26.74 | 25.98 | 18 | 30 | 20 | |||
| 30 | 8, 10 | 8, 10 | 8 | 28.65 | 27.89 | 20 | 32 | 23 | ||||
| 32 | 8, 10 | 8, 10 | 10 | 8, 10 | 30.56 | 29.80 | 35 | 25 | ||||
| 36 | 8, 10 | 8, 10 | 8, 10 | 8, 10 | 34.38 | 33.62 | 26 | 40 | 28 | |||

Timing Pulley Material
Surface Treatment












Material
Surface Treatment