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Idlers HTD 8M (Part Numbers)

Idlers HTD 8M
  • Volume Discount

MISUMI

MiSUMi Economy

MISUMI

Economy series products, please order more than 2 pcs.

Part Number

Configured Part Number is shown.

C-AHTFW25-H8M400-12



Economy HTD 8M Idler Pulley

Belt widthIdler pulleyFactory automation

- Cost-effective aluminum alloy

- Fits multiple belt widths.

- Variety of teeth counts available

- Central or side bearings

- Clear anodized for longevity

Economy HTD 8M Idler Pulley
MISUMI Economy Logo

MISUMI Standard
MISUMI Standard

Cheaper Price
Cheaper Price

Product Variety
Product Variety

3D CAD
3D CAD Support


Product of Timing Pulley Overview

Economy series products of Timing Pulley, please order more than 2 pcs
Usually, flat-belt pulleys and flat belts are widely used in mechanisms design for transmitting rotational power generated by motors. Driving and transmission are realized through the friction fit between flat-belt pulleys and flat belts.

Product of Timing Pulley Features

■Timing Pulley Tooth Profile Engagement of MISUMI Economy series Idlers
・MISUMI Economy series idlers tooth profiles conform to JIS and ISO standards, matching with the standard belt tooth profile for smoother rotation.
5M Tooth ProfileMISUMI Economy series (Good engagement)Products circulating on the market *
Engagement of Timing Pulley and Timing BeltProduct Feature 1Product Feature 2
ClearanceSmallLarge
Positioning AccuracyHeightLow
* Problems of generic products of Timing Pulley in the market

■Rotation Stability of MISUMI Economy series Idlers
・MISUMI economy series idler uses MISUMI Economy series bearing with stabler quality and lower noiseProduct Feature 3
・The tooth surface runout control of the Economy series idler is consistent with the standard product of Timing Pulley, and the belt drive is smoother.
 
(Unit: mm)
Diameter of Pulley Tooth Top Circle d05.96≤d0≤203.20
Runout Tolerance (Circumferential Runout)≤0.13

Dimensional of Timing Pulley Drawing

●Central Bearing●Both Sides Bearing
<Single Bearing><Double Bearing> 
Dimensional DrawingDimensional DrawingDimensional Drawing
Timing PulleyBearing is pressed fit.
Timing PulleyBearing Accuracy: JIS/ISO Class 0 (Before press-fitting)
Timing PulleyMISUMI makes no commitment to the bearing brand

Tapped Hole Size Table
(Shaft Bore Specs.: P·N)
dH7
Shaft Hole ID		2-M
(Coarse Thread)		Single Model of
Fixing Screw		Box Model of
Fixing Screw
8 to 12M4MSSU4-3BOX-MSSU4-3
13 to 17M5MSSU5-4BOX-MSSU5-4
18 to 20M6MSSU6-5BOX-MSSU6-5
Timing PulleyTiming Pulley are not provided with fixing screws. You may purchase them separately referring to the recommended fixing screw models.

Specifications of Timing Pulley Overview

Timing Pulley MaterialTiming Pulley Surface Treatment
Timing PulleyFlange
Aluminum AlloyAluminum AlloyClear Anodized

Usage of Timing Pulley Method

Usage Method Example of Timing Pulley DrawingInstructions for Use of Timing Belt Idlers and Timing Belt
Usage Method①Timing Pulley Driving
The driven wheel is driven by the driving wheel for transmission
Usage Method②Timing Pulley Linear driving
Reciprocating motion is carried out through the self-end timing toothed belt.
Usage Method Example of Timing Pulley DrawingInstructions for Use of Timing Belt Idlers and Timing Belt
Usage Method③Timing Pulley Conveyance
Plates are conveyed by two timing toothed belts
Usage Method④Timing Pulley Traction transmission
Workpieces are clamped and transmitted by the belt
Timing PulleyHTD 8M timing belt idlers, suitable for MISUMI HTD 8M timing belts.

Example of Timing Pulley Use

Example of Use
■Timing Pulley Mechanism name
Belt tension device (manual)

■Mechanism function
1. Move the roller on the adjustment side, and tighten and fix it when the conveyor belt opens.
2. For multiple driving applications, the engagement rate can be improved by setting the roller in the middle position.

■ Role of the timing belt idler
1. The belt is tensioned by fixing the belt assembly distance with the timing belt idler
and with the assistance of the urethane roller.

For more information, please click Example for Belt Tension Device.

Related of Timing Pulley Industries

Semiconductor Automotive Smart phone
Related Industries Related Industries Related Industries
Medical Electronic & Electrical Appliances Robotics
Related Industries Related Industries Related Industries

Timing Pulley Precautions

Timing PulleyBearing is pressed fit.
Timing PulleyBearing Accuracy: JIS/ISO Class 0 (Before press-fitting)
Timing PulleyMISUMI makes no commitment to the bearing brand

Related of Timing Pulley 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.

Related of Timing Pulley Products

Idlers HTD 3M Idlers HTD 5M Timing Belts HTD 8M
HTD 3M Idlers HTD 5M Idlers HTD8M Timing Belt
Typical Timing Pulley model C-HTPA14H3M060-K-P5 Typical Timing Pulley model: C-HTPA14H5M090-A-N8 Typical Timing Pulley model: C-HTBN1000H8M-200
Advantages: short delivery time, multiple types Advantages: Short delivery time, multiple types Advantages: short delivery time, multiple types
30
60
90
  1. 1
Part Number
C-AHTFW25-H8M400-12
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipBelt Width Used
(mm) 		Number of Teeth
(T) 		Shaft Bore Dia. d
(mm)

403,319 IDR

2 Piece(s)Available 23 Day(s) 402512

Loading...

  1. 1

Dimensional Drawing
●Central Bearing●Both Sides Bearing
<Single Bearing><Double Bearing> 
Dimensional DrawingDimensional DrawingDimensional Drawing
Bearing is pressed fit.
Bearing Accuracy: JIS/ISO Class 0 (Before press-fitting)
MISUMI makes no commitment to the bearing brand

Tapped Hole Size Table
(Shaft Bore Specs.: P·N)
dH7
Shaft Hole ID		2-M
(Coarse Thread)		Single Model of
Fixing Screw		Box Model of
Fixing Screw
8 to 12M4MSSU4-3BOX-MSSU4-3
13 to 17M5MSSU5-4BOX-MSSU5-4
18 to 20M6MSSU6-5BOX-MSSU6-5
Timing pulleys are not provided with fixing screws. You may purchase them separately referring to the recommended fixing screw models.
Specification Table
Material Surface Treatment
PulleyFlange
Aluminum AlloyAluminum AlloyClear Anodized

■ Dimension Specification Table
Part NumberShaft Diameter
d		P.D.O.D.FEAWSBearing size
 Number of Teeth Applicable BeltNo.DB
20H8M1501250.9349.565840172266201ZZ×13210
H8M2501528335.56202ZZ×23511
22H8M1501256.0254.656145172266201ZZ×13210
24H8M1501261.1259.746750172266201ZZ×13210
H8M25028336.56201ZZ×2
H8M30015333886202ZZ×23511
H8M400444913.5
25H8M1501563.6662.29705617225.56202ZZ×13511
26H8M1501566.2164.84745817225.56202ZZ×13511
28H8M1501571.369.93806017225.56202ZZ×13511
30H8M1501576.3975.02876717225.56202ZZ×13511
H8M25028335.56202ZZ×2
H8M30020333856204ZZ×24714
H8M400444910.5
32H8M1502081.4980.128767172246204ZZ×14714
34H8M1502086.5885.219575172246204ZZ×14714
40H8M15025101.86100.491119017223.56205ZZ×15215

Part NumberShaft Diameter
d		P.D.O.D.FEAWDhBearing size
 Number of Teeth Applicable BeltNo.DB
22H8M2501256.0254.6561452833276201ZZ×23210
H8M3003338
H8M4004449
24H8M2501261.1259.7467502833276201ZZ×23210
H8M3003338
H8M4004449
25H8M2501263.6662.2970562833276201ZZ×23210
H8M3003338
H8M4004449
26H8M1501266.2164.8474581722256001ZZ×2288
H8M2502833
H8M3003338276201ZZ×23210
H8M4004449
28H8M2501571.369.9380602833306202ZZ×23511
H8M3003338
H8M4004449
30H8M1501576.3975.0287671722296002ZZ×2329
H8M2502833
H8M3003338306202ZZ×23511
H8M4004449
30H8M2502076.3975.0287672833376004ZZ×24212
H8M3003338416204ZZ×24714
H8M4004449
32H8M2502081.4980.1287672833416204ZZ×24714
H8M3003338
H8M4004449
34H8M2502086.5885.2195752833416204ZZ×24714
H8M3003338
H8M4004449
40H8M25025101.86100.49111902833436005ZZ×24712
H8M3003338476205ZZ×25215
H8M4004449

Basic Information

Type Idlers with Teeth Belt Type 8M Material Ultra Super Duralmin Type Aluminum Alloy
Surface Treatment Clear Anodize Timing Pulley / Idler Idlers

Please check the type/dimensions/specifications of the part C-AHTFW25-H8M400-12 in the Idlers HTD 8M series.

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Specification/Dimensions

  • type

    • C-AHTFW□□-H8M
    • C-AHTF□□-H8M

    Clear

  • Belt Width Used(mm)

    • 15
    • 25
    • 30
    • 40

    Clear

  • Number of Teeth(T)

    • 20
    • 22
    • 24
    • 25
    • 26
    • 28
    • 30
    • 32
    • 34
    • 40

    Clear

  • Shaft Bore Dia. d(mm)

    • 12
    • 15
    • 20
    • 25

    Clear

Days to Ship

    • All
    • Same day
    • 23 Day(s) or Less

    Clear

Specify Alterations

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C-AHTFW26-H8M300-12
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipBelt Width Used
(mm) 		Number of Teeth
(T) 		Shaft Bore Dia. d
(mm)

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