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Timing Pulleys S8M (C-HTPA30S8M300-A-N35)

Volume Discount

Check FAQ of this product (8 items)

MISUMI

MiSUMi Economy

MISUMI

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.

Part Number

Configured Part Number is shown.

C-HTPA30S8M300-A-N35

Drawing/Specifications
3D Preview
Part Numbers

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
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.

Dimensional Drawing

Standard Tooth Profile	A Shape	Shape B	N New JIS Keyway + Threaded Hole

The tooth groove size varies slightly with the number of teeth (Tooth pitch: 8.0 mm)			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.

Threaded hole size table
(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 website

Please 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

	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.

MISUMI Timing Pulley Assembly Time

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

■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.

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.
Photo of Belt Wear

[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

* Problems of generic products on the market

Example of Use

Example drawing of a workpiece reversal transfer mechanism designed using MISUMI 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.
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

Part Number

CAD Data download and 3D preview are not available because the part number has not yet been determined.

*In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.

CAD Download

: 30; 45; 60

Part Number
C-HTPA30S8M300-A-N35

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	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
	255,083 IDR	1 Piece(s)	Available	11 Day(s)	30	-	Shape A	[Aluminum] Ultra Super Duralmin Type Aluminum Alloy	-	-	-	30

Basic Information

Belt Type	S8M	Surface Treatment	Clear Anodize

Please check the type/dimensions/specifications of the part C-HTPA30S8M300-A-N35 in the Timing Pulleys S8M series.

Configure

1 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Number of Teeth(T)
18

19

22

24

25
Clear
Shaft Bore Dia. d(mm)
12

14

15

19

20

22

30
Clear
Shaft Hole Shape
- N
Clear
type
- C-HTPA□□S8M
Clear
Belt Width Used(mm)
15

25

30

40
Clear
Pulley Shape
- Shape A
- Shape B
Clear
Material
- Aluminum
  - Aluminum Alloy
  - Ultra Super Duralmin Type Aluminum Alloy
Clear
Number of Teeth
18

19

20

21

22

24

25

26

28

30

32

34

36

38

50

60
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

11 Day(s) or Less

13 Day(s) or Less
Clear

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.

Check other FAQ (5 items) Hide

Products like this...

Part Number
C-HTPA18S8M150-A-N19
C-HTPA18S8M150-A-N20
C-HTPA18S8M250-A-N14
C-HTPA30S8M400-A-N20
C-HTPA32S8M250-A-N22
C-HTPA32S8M250-A-N33

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	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
126,668 IDR	1 Piece(s)	Available	11 Day(s)	15	-	Shape A	[Aluminum] Ultra Super Duralmin Type Aluminum Alloy	-	-	-	18
127,854 IDR	1 Piece(s)	Available	Same day	15	18	Shape A	[Aluminum] Aluminum Alloy	Pulleys	20	N	-
147,085 IDR	1 Piece(s)	Available	Same day	25	18	Shape A	[Aluminum] Aluminum Alloy	Pulleys	14	N	-
283,688 IDR	1 Piece(s)	Available	11 Day(s)	40	-	Shape A	[Aluminum] Ultra Super Duralmin Type Aluminum Alloy	-	-	-	30
217,958 IDR	1 Piece(s)	Available	11 Day(s)	25	-	Shape A	[Aluminum] Ultra Super Duralmin Type Aluminum Alloy	-	-	-	32
217,958 IDR	1 Piece(s)	Available	11 Day(s)	25	-	Shape A	[Aluminum] Ultra Super Duralmin Type Aluminum Alloy	-	-	-	32

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Inquiry Permintaan

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

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Timing Pulleys S8M (C-HTPA30S8M300-A-N35)

Economy Timing Pulleys

Part Number

Basic Information

Configure

Specification/Dimensions

Number of Teeth(T)

Shaft Bore Dia. d(mm)

Shaft Hole Shape

type

Belt Width Used(mm)

Pulley Shape

Material

Number of Teeth

CAD

Days to Ship

Specify Alterations

Frequently asked question (FAQ)

Products like this...

Tech Support

Payment MethodMetode Pembayaran more Pelajari lebih lanjut

About MISUMITentang MISUMI

About this WebsiteTentang Website ini

Useful ToolsAlat Serbaguna

Customer ServiceLayanan Pelanggan

MISUMI Contact Monday to Friday (8:30am to 5:30pm) , Saturday (8:30am to 3:00pm) Order cut off time Monday to Friday: 4:30pm , Saturday : 2:00pm MISUMI Kontak Senin - Jumat (8:30 WIB - 17:30 WIB) , Sabtu (8:30WIB - 15:00 WIB) Batas Waktu Pemesanan Senin - Jumat : 16:30 WIB , Sabtu : 14:00 WIB

Search by Category / Brand Pencarian dengan Kategori / Merek

Search by Category Pencarian dengan Kategori

Search by Brand Pencarian dengan Merek

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My Favorites My Favorites

Settings Settings

How can we improve?Bagaimana Kami bisa meningkatkan Pelayanan?

Timing Pulleys S8M (C-HTPA30S8M300-A-N35)

Economy Timing Pulleys

Part Number

Basic Information

Configure

Specification/Dimensions

Number of Teeth(T)

Shaft Bore Dia. d(mm)

Shaft Hole Shape

type

Belt Width Used(mm)

Pulley Shape

Material

Number of Teeth

CAD

Days to Ship

Specify Alterations

Frequently asked question (FAQ)

Products like this...

Tech Support

Payment MethodMetode Pembayaran more Pelajari lebih lanjut

About MISUMITentang MISUMI

About this WebsiteTentang Website ini

Useful ToolsAlat Serbaguna

Customer ServiceLayanan Pelanggan

MISUMI Contact Monday to Friday (8:30am to 5:30pm) , Saturday (8:30am to 3:00pm) *Order cut off time Monday to Friday: 4:30pm , Saturday : 2:00pm MISUMI Kontak Senin - Jumat (8:30 WIB - 17:30 WIB) , Sabtu (8:30WIB - 15:00 WIB) *Batas Waktu Pemesanan Senin - Jumat : 16:30 WIB , Sabtu : 14:00 WIB

Search by Category / Brand Pencarian dengan
Kategori / Merek

MISUMI Contact Monday to Friday (8:30am to 5:30pm) , Saturday (8:30am to 3:00pm) Order cut off time Monday to Friday: 4:30pm , Saturday : 2:00pm MISUMI Kontak Senin - Jumat (8:30 WIB - 17:30 WIB) , Sabtu (8:30WIB - 15:00 WIB) Batas Waktu Pemesanan Senin - Jumat : 16:30 WIB , Sabtu : 14:00 WIB