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- Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.
Timing Pulleys HTD 3M (C-HTPA25H3M120-A-N10)
- Volume Discount
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.
Part Number
Configured Part Number is shown.
C-HTPA25H3M120-A-N10
- Download
Product Details - CAD Data unavailable
Economy HTD 3M Timing Pulley
- 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
MISUMI Standard
Cheaper Price
Product Variety
3D CAD Support
Product of Timing Pulley Overview
Product of Timing Pulley Features
·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
The tooth groove size varies slightly with the number of teeth
(Pitch: 3.0mm)
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 KeywayThe 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.(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
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 | ||
 |  |  | ||
| Medical | Electronic & Electrical Appliances | Robotics | ||
 |  |  |
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
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 |
| Part Number |
|---|
| C-HTPA25H3M120-A-N10 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Belt Width Used (mm) | Number of Teeth (T) | Pulley Shape | Shaft Bore Dia. d (mm) | Shaft Hole Shape |
|---|---|---|---|---|---|---|---|---|---|---|
SGD 6.74 | 2 Piece(s) | Available | 5 Day(s) | 10 | 12 | 25 | Shape A | 10 | N |
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The tooth groove size varies slightly with the number of teeth
(Pitch: 3.0mm)
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 KeywayThe 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.(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.| 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 | |||
Basic Information
| Type | Timing Pulleys | Belt Type | 3M | Material | Ultra Super Duralmin Type Aluminum Alloy |
|---|---|---|---|---|---|
| Surface Treatment | Clear Anodize | Timing Pulley / Idler | Pulleys |
Please check the type/dimensions/specifications of the part C-HTPA25H3M120-A-N10 in the Timing Pulleys HTD 3M series.
Specification/Dimensions
-
type
- C-HTPA□□H3M
-
Belt Width Used(mm)
-
Number of Teeth(T)
-
Pulley Shape
- Shape A
- Shape B
- Shape K
-
Shaft Bore Dia. d(mm)
-
Shaft Hole Shape
- N
- P
Days to Ship
-
- All
- Same day
- 5 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Frequently asked question (FAQ)
- Question: Why does the flange drop during use of a timing pulley?
- Answer: The function of the flange is to prevent production accidents caused by deviation and drop of the timing belt. Therefore, the flange drops mainly because it is squeezed off by the timing belt that has deviated for a long time. We recommend that the customer regularly check the condition of the timing belt of the equipment to avoid its deviation.
- Question: Why does the timing pulley has no threaded hole?
- Answer: If you have requirements for fixing screws, we recommend that you choose a timing pulley with the shaft hole specification P (round hole + threaded hole) or N·C (keyway hole + threaded hole).
- Question: What should be done if there is jitter during use of a timing belt?
- Answer: Readjust the tension of the timing pulley. Generally, the belt runs unstably due to excessive shaft spacing and insufficient tension.
- Question: Why cannot be the threaded hole of a MISUMI aluminum timing pulley locked tightly?
- Answer: As the aluminum material is relatively soft, slippage may occur if the tightening force is too large during locking. We recommend that the customer stops tightening once an obstruction is felt.
- Question: How to fix a timing pulley when the shaft hole specification is H (round hole)?
- Answer: Generally, H (round hole) can be used only after additional processing. If you need a product that can be directly fixed and used, please choose MISUMI P (round hole + threaded hole) or N (keyway hole + threaded hole) specifications.
- Question: What does the number in the timing pulley S2M, S3M, P2M, P3M, T5, T10, 2GT, 3GT, etc. mean?
- Answer: It mainly represents the tooth pitch of the belt, that is, the distance between two adjacent teeth. They are also the tooth profile models in the timing belt industry.
- Question: How to choose a timing belt after selecting a timing pulley?
- Answer: First, the series must be matched. For example, the timing belts of S2M, S3M, and S5M can only match the timing pulleys of S2M, S3M, and S5M. Then, select the timing belt with an width corresponding to the ones indicated in the timing pulley specifications. Finally, select the needed perimeter.
- Question: What does the number in the timing pulley S2M, S3M, P2M, P3M, T5, T10, 2GT, 3GT, etc. mean?
- Answer: It mainly represents the tooth pitch of the belt, that is, the distance between two adjacent teeth. They are also the tooth profile models in the timing belt industry.
Similar Part Numbers
| Part Number |
|---|
| C-HTPA14H3M150-K-P5 |
| C-HTPA15H3M060-K-P5 |
| C-HTPA15H3M090-K-P5 |
| C-HTPA25H3M120-A-N8 |
| C-HTPA25H3M120-A-P10 |
| C-HTPA25H3M120-A-P8 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Belt Width Used (mm) | Number of Teeth (T) | Pulley Shape | Shaft Bore Dia. d (mm) | Shaft Hole Shape |
|---|---|---|---|---|---|---|---|---|---|---|
SGD 7.00 | 1 Piece(s) | Available | 5 Day(s) | 10 | - | - | - | - | - | |
SGD 6.13 | 2 Piece(s) | Available | 5 Day(s) | 10 | 6 | 15 | Shape K | 5 | P | |
SGD 6.60 | 2 Piece(s) | Available | 5 Day(s) | 10 | 9 | 15 | Shape K | 5 | P | |
SGD 6.74 | 2 Piece(s) | Available | 5 Day(s) | 10 | 12 | 25 | Shape A | 8 | N | |
SGD 6.68 | 2 Piece(s) | Available | 5 Day(s) | 10 | 12 | 25 | Shape A | 10 | P | |
SGD 6.69 | 2 Piece(s) | Available | 5 Day(s) | 10 | 12 | 25 | Shape A | 8 | P |
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