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Product Detail
Number of Teeth
Shaft Bore Dia. d
Shaft Hole Shape
type
Belt Width Used
Pulley Shape
Material
Number of Teeth
CAD
Days to Ship
Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
-
Number of Teeth(T)
-
Shaft Bore Dia. d(mm)
-
Shaft Hole Shape
-
type
- C-HTPA□□S8M
-
Belt Width Used(mm)
-
Pulley Shape
- Shape A
- Shape B
-
Material
- Aluminum
- Aluminum
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Number of Teeth
-
CADCAD
- 2D
- 3D
Days to ShipSố ngày giao hàng
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- 7 Day(s) or Less
- 8 Day(s) or Less
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Timing Pulleys S8M (C-HTPA18S8M250-A-N25)
- Until 31/12/2024
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Product DetailProduct Description
Timing Pulleys S8M
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.) : 15 and 25
● Applicable with Belt Type : S8M
● Number of Teeth : 18, 19, 22, 24 and 25
● Shaft Bore Diameter Minimum/Maximum (mm.) : 12 to 30
● Shaft Bore Specs. : 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.) : 15 and 25
● Applicable with Belt Type : S8M
● Number of Teeth : 18, 19, 22, 24 and 25
● Shaft Bore Diameter Minimum/Maximum (mm.) : 12 to 30
● Shaft Bore Specs. : 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 ...
Detailed specifications are available on the official website
Detailed specifications are available on the official website
Please visit MISUMI website for details of the models available for sale.
Timing Pulleys S8M, suitable for MISUMI Standard Timing Belts and Economy Series Timing Belts.There may be no surface treatment in the shaft hole.
The positions of keyway and tooth are not fixed.
Economy Timing Pulleys
Timing Pulleys Medium Precision Longer Lifespan
- Easy installation with chamfered shaft bore
- Reduced assembly time by 27%
- Longer timing belt life with deburring treatment
- Suitable for medium-precision conveyance
- Affordable and durable for various applications
MISUMI Standard
Cheaper Price
Product Variety
3D CAD Support
Product Overview
Usually, timing pulleys, 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.
Driving and transmission are realized through the engagement between the teeth of timing pulleys, timing idlers and timing belts.
Dimensional Drawing
Threaded hole size table
(shaft hole specifications: P·N)
You may purchase them separately referring to the recommended fixing screw models.
(shaft hole specifications: P·N)
| dH7 Shaft Bore ID | 2-M (Coarse Thread) |
| 12 | M4×3 |
| 13~17 | M5×4 |
| 18~30 | M6×5 |
You may purchase them separately referring to the recommended fixing screw models. Material |  Surface Treatment | |
| Pulley | Flange | |
| Aluminum Alloy | Aluminum Alloy | Clear Anodized |
Specifications Overview
| Part Number |  Pulley Shape |  Shaft Hole Specifications N Bore Dia.d | P.D. | O.D. | D | F | E | ||
 Type |  Number of Teeth |  Applicable Belt | |||||||
| C－HTPA | 18 | S8M250 | B | 14 | 45.84 | 44.46 | 32 | 52 | 36 |
| 20 | S8M150 | 14·15 | 50.93 | 49.56 | 36 | 58 | 40 | ||
| S8M250 | 20 | ||||||||
| 24 | 14 | 61.12 | 59.74 | 46 | 67 | 50 | |||
| 30 | 16 | 76.39 | 75.02 | 60 | 87 | 67 | |||
| 32 | S8M400 | 25·35 | 81.49 | 80.12 | 63 | 87 | 67 | ||
Detailed specifications are available on the official website| Part Number | Pulley Shape | Shaft Hole Specifications N Bore Dia.d | P.D. | O.D. | F | E | ||
| Type | Number of Teeth | Applicable Belt | ||||||
| C－HTPA | 18 | S8M150 | A | 12·14·15·19·20 | 45.84 | 44.46 | 52 | 36 |
| S8M250 | 14·15·19·20·22·25 | |||||||
| S8M300 | 20 | |||||||
| 19 | S8M250 | 14·15·20 | 48.38 | 47.01 | 55 | 40 | ||
| 20 | S8M150 | 12·14·15 | 50.93 | 49.56 | 58 | 40 | ||
| S8M250 | 12·14·15·17·18·20 | |||||||
| S8M300 | 22 | |||||||
| 21 | 15 | 53.48 | 52.1 | 61 | 45 | |||
| 22 | S8M150 | 14·15 | 56.02 | 54.65 | 61 | 45 | ||
| S8M250 | 14·16·20 | |||||||
| S8M300 | 22 | |||||||
| 24 | S8M150 | 12·14·16 | 61.12 | 59.74 | 67 | 50 | ||
| S8M250 | 12·14·15·20·22 | |||||||
| S8M300 | 20·22 | |||||||
| S8M400 | 20·25 | |||||||
| 25 | S8M150 | 12·14·15·19 | 63.66 | 62.29 | 70 | 56 | ||
| S8M250 | 12·15·16·17·20·22·25·30 | |||||||
| S8M400 | 20·25 | |||||||
| 26 | S8M250 | 25 | 66.21 | 64.84 | 74 | 58 | ||
| S8M300 | 20 | |||||||
| 28 | S8M250 | 15·20·22·25 | 71.3 | 69.93 | 80 | 60 | ||
| S8M400 | 25 | |||||||
| 30 | S8M250 | 15·16·18·20·22·24·25·40 | 76.39 | 75.02 | 87 | 67 | ||
| S8M300 | 25·35 | |||||||
| S8M400 | 20 | |||||||
| 32 | S8M250 | 22 | 81.49 | 80.12 | 87 | 67 | ||
| S8M300 | 32 | |||||||
| 34 | S8M250 | 25 | 86.58 | 85.21 | 95 | 75 | ||
| S8M300 | 25 | |||||||
| 36 | S8M400 | 35 | 91.67 | 90.3 | 99 | 80 | ||
| 38 | S8M250 | 16 | 96.77 | 95.39 | 104 | 84 | ||
| 50 | S8M300 | 32·40 | 127.32 | 125.95 | 135 | 115 | ||
| 60 | S8M400 | 40 | 152.79 | 151.42 | 160 | 140 | ||
Detailed specifications are available on the official websitePlease visit MISUMI website for details of the models available for sale.Product Features
■Usage difference between economy series timing pulleys and MISUMI standard product / Example of customer use
■Longer Timing Belt Life
·MISUMI Economy series timing pulley, with deburring treatment at the threaded hole, is not easy to wear the timing belt, and the price is cheap while increasing the lifetime of the timing belt.
* Problems of generic products on the market
| Economy series Timing Pulleys | MISUMI Existing Products | |
| Example of Use |  |  |
| Precautions | Generally used in reciprocating and conveyance mechanisms that require medium positioning accuracy | Generally used in mechanisms that frequently rotate forwardly and reversely and have requirements on positioning accuracy and backlash. |
| Repetitive positioning accuracy (reference value) | Medium precision (±0.1) | High precision (±0.05) |
■More Convenient On-site Assembly
·MISUMI Economy series timing pulley is chamfered at the shaft bore and threaded 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 bore and threaded 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 threaded hole, is not easy to wear the timing belt, and the price is cheap while increasing the lifetime of the timing belt.
 | Belt condition after the test of timing belt pulley without chamfer on the threaded hole: there are obvious wear marks left by the pulley tooth threaded hole on the belt tooth surface.  | [Test conditions] Belt series: S5M Belt width: 150mm Number of teeth of drive side pulley: 20 Number of teeth of driven side pulley: 60 Speed: 3000 rpm Tension (N): 160N Test time: 24 H |
Example of Use
■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.
At this time, the clamping mechanism rotates 180 degrees and does not change the direction of the workpiece relative to the conveying direction at the same time during transfer.
■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.
At this time, the clamping mechanism rotates 180 degrees and does not change the direction of the workpiece relative to the conveying direction at the same time during transfer.
■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.
Usage Method
| Usage Method Example Drawing | Usage Method of Timing Wheel and Timing Belt |
 | ①Driving The driven wheel is driven by the driving wheel for transmission |
 | ②Linear 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 |
 | ③Conveyance Plates are conveyed by two timing toothed belts |
 | ④Traction transmission Workpieces are clamped and transmitted by the belt |
Timing Pulleys S8M, suitable for MISUMI Standard Timing Belts and Economy Series Timing Belts.Precautions
There may be no surface treatment in the shaft hole.The positions of keyway and tooth are not fixed.Application Industries
| Semiconductor | Automotive | Smart Phones | ||
 |  |  | ||
| Medical | Electronic & Electrical | Robotics | ||
 |  |  |
Related Products
| Flat-belt idlers, Width (T), 6 to 32 mm | Flat Belts For General Use | High Torque Timing Pulleys S2M Type | ||
 |  |  | ||
| Representative model: HBG15-6 | Representative model: HBLT350-4.23 | Representative model: HTPA48S2M040-B-N10 | ||
| Advantages: short delivery time, multiple types | Advantage: custom size | Advantages: short delivery time, multiple types |
Related Documents
Technical Data of Timing Toothed Belts, Timing Pulleys 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.
Part Number
- Incomplete part number.
Please use left hand selections to complete a part number.Incomplete part number.
Please use left hand selections to complete a part number.
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| Part Number |
|---|
| C-HTPA18S8M250-A-N25 |
| Part Number | Price | Minimum Order Qty. | Volume Discount | Days to ShipSố ngày giao hàng | Belt Width Used (mm) | Number of Teeth (T) | Pulley Shape | Material | Timing Pulley / Idler | Shaft Bore Dia. d (mm) | Shaft Hole Shape | Number of Teeth |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
203,550 VND 183,195 VND | 2 Piece(s) | Available | 8 Day(s) | 25 | - | Shape A | [Aluminum] Ultra Super Duralmin Type Aluminum Alloy | - | - | - | 18 |
Loading...Tải…
Basic InformationThông tin cơ bản
| Belt Type | S8M | Surface Treatment | Clear Anodize |
|---|
Please check the type/dimensions/specifications of the part C-HTPA18S8M250-A-N25 in the Timing Pulleys S8M series.Vui lòng kiểm tra kiểu/kích thước/thông số kỹ thuật của phần C-HTPA18S8M250-A-N25 trong chuỗi Timing Pulleys S8M.
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer toCác thông số kỹ thuật và kích thước của mã sản phẩm có thể không được bao phủ đầy đủ. Để biết chi tiết chính xác, hãy tham khảo manufacturer catalogsdanh mục nhà sản xuất ..
Frequently asked question (FAQ)FAQ
- Question:Question: Why does the flange drop during use of a timing pulley?
- Answer: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:Question: Why does the timing pulley has no threaded hole?
- Answer: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:Question: What should be done if there is jitter during use of a timing belt?
- Answer:Answer: Readjust the tension of the timing pulley. Generally, the belt runs unstably due to excessive shaft spacing and insufficient tension.
- Question:Question: Why cannot be the threaded hole of a MISUMI aluminum timing pulley locked tightly?
- Answer: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:Question: How to fix a timing pulley when the shaft hole specification is H (round hole)?
- Answer: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:Question: What does the number in the timing pulley S2M, S3M, P2M, P3M, T5, T10, 2GT, 3GT, etc. mean?
- Answer: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:Question: How to choose a timing belt after selecting a timing pulley?
- Answer: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:Question: What does the number in the timing pulley S2M, S3M, P2M, P3M, T5, T10, 2GT, 3GT, etc. mean?
- Answer: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.
Products like this...
| Part Number |
|---|
| C-HTPA18S8M150-A-N19 |
| C-HTPA18S8M150-A-N20 |
| C-HTPA18S8M250-A-N14 |
| C-HTPA18S8M250-A-P18 |
| C-HTPA18S8M250-B-N14 |
| C-HTPA18S8M300-A-N20 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to ShipSố ngày giao hàng | Belt Width Used (mm) | Number of Teeth (T) | Pulley Shape | Material | Timing Pulley / Idler | Shaft Bore Dia. d (mm) | Shaft Hole Shape | Number of Teeth |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
203,550 VND | 2 Piece(s) | Available | 8 Day(s) | 15 | - | Shape A | [Aluminum] Ultra Super Duralmin Type Aluminum Alloy | - | - | - | 18 | |
140,249 VND | 1 Piece(s) | Available | Same day | 15 | 18 | Shape A | [Aluminum] Aluminum Alloy | Pulleys | 20 | N | - | |
150,135 VND | 1 Piece(s) | Available | Same day | 25 | 18 | Shape A | [Aluminum] Aluminum Alloy | Pulleys | 14 | N | - | |
203,550 VND | 2 Piece(s) | Available | 8 Day(s) | 25 | - | Shape A | [Aluminum] Ultra Super Duralmin Type Aluminum Alloy | - | - | - | 18 | |
203,550 VND | 2 Piece(s) | Available | 8 Day(s) | 25 | - | Shape B | [Aluminum] Ultra Super Duralmin Type Aluminum Alloy | - | - | - | 18 | |
203,550 VND | 2 Piece(s) | Available | 8 Day(s) | 30 | - | Shape A | [Aluminum] Ultra Super Duralmin Type Aluminum Alloy | - | - | - | 18 |
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