Timing Pulleys & Idlers（Belt Shape：H）

Timing Pulleys and Idlers are toothed gears that mesh with a belt rather than each other. They are lubrication-free, corrosion-resistant, and have reduced noise and cost impact when compared to traditional chain and sprocket mechanisms. There are many tooth profiles to handle a variety of applications. Trapezoidal profiles like "L," "T," and "AT" are great for conveyance, where the belt will be running for hours continuously. Curvilinear profiles like "S#M," "GT," and "EV" are ideal for high-torque positioning applications where the belt will need to change directions often and require low backlash.

About Timing Pulleys, Idlers

Unit		Imperial Series (inch)				Metric Series (mm)
Application		General				Light Load Conveyance	Heavy Load Conveyance	High Torque		Super High Torque		High Accuracy Positioning	NEW High Positioning Accuracy, High Torque
Belt Type		MXL	XL	L	H	T5,T10	AT5,AT10	S2M-S14M	P2M-P8M	UP5M-UP8M	MTS8M	2GT-EV8YU	MR2-MR5
Pitch		0.800"	0.200"	0.375"	0.5"	5,10 mm	5,10 mm	2,3,5,8,14 mm	2,3,5,8 mm	5,8 mm	5 mm	2,3,5,8 mm	2,3,5 mm
Tooth Profile		Trapezoidal				Trapezoidal		Curvilinear Circular (S-Type)	Curvilinear with Dimple (R-Type)	Curvilinear Circula (S-Type)	Curvilinear with Dimple (R-Type)	Circular Round (H-Type)	Curvilinear Circular (GT2-Type)
Backlash		Medium				Medium	Low	Low*		Low*		Very Low	Very Low
Endless Belt		check				check		check		check		check	check
Open End Belt		-	check			check		check (selected pitches)		-		-	check
Belt Material (Tension Cord)		Rubber (Glass Fiber)			-	Polyurethane (Steel Cord)		Chloroprene Rubber (Glass Fiber)		Chloroprene Rubber (Glass Fiber)	Rubber (Glass Fiber)	Chloroprene Rubber (Glass Fiber)	Neoprene Rubber (Glass Fiber)
Belt Material (Tension Cord)		Polyurethane (Kevlar/Steel Cord)				Polyurethane (Steel Cord)		Polyurethane(Aramid Fiber) (S2M,S3M,S5M only)		Chloroprene Rubber (Glass Fiber)	Rubber (Glass Fiber)	Chloroprene Rubber (Glass Fiber)	Neoprene Rubber (Glass Fiber)
Typical Applications	Conveying	check				check	check	-	-	-	-	-	check
	Positioning	-				-	check	check	check	check	check	check	check
	Power Transmission	-				-	-	check	check	check	check	check	check
	High Speed	check				check	-	check	check	check	check	check	check

*MISUMI offers Special Zero Backlash S8M pulleys (For use with S-Type belts only)

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H Timing Belt Pulley - Metric or Inch Bore

MISUMI

MISUMI H Timing Belt Pulley offers reliable performance and accommodates both metric and inch bore sizes. Designed to optimize power transmission, this pulley ensures enhanced efficiency across various mechanical applications. Providing a durable solution, MISUMI H Timing Belt Pulley effectively increases the number of teeth available on metric versions, promoting smoother operation and reduced wear without compromising structural integrity. Ideal for diverse environments, it delivers consistent results while supporting extensive operational demands.

Volume Discount Available

Lead Time Reduction

Available in INCH

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
Configurable Width Timing Idler Pulley - Inch Bore

MISUMI

MISUMI Timing Pulleys Idler Pulley offers reliable performance and durability by utilizing high-quality materials such as Aluminum Alloy 2000 series and Steel. Designed to accommodate various belt shapes including H, L, MXL, and XL, the pulley ensures optimal functionality across diverse applications in mechanical systems. Providing a customizable solution with configurable widths and inch bore options, MISUMI Timing Pulleys effectively enhance system efficiency and longevity without compromising precision or reliability.

Volume Discount Available

Lead Time Reduction

Available in INCH

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days

Stock Items Included
L, H Flanged Timing Idler Pulleys - Teeth, Both Sides Bearing

MISUMI

Can be used as the tension adjuster for timing belts or as the pulley on the driven side.

Volume Discount Available

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
H Timing Belt Pulley - Standard Keyless Bushing

MISUMI

MechaLock Standard Type incorporated Timing Pulley with centering function.

Volume Discount Available

Spec Change

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
L, H Flanged Timing Idler Pulleys - Teeth, Center Bearing

MISUMI

Can be used as the tension adjuster for timing belts or as the pulley on the driven side.

Volume Discount Available

Spec Change

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
H Timing Belt Pulley - Standard or Short Keyless Bushing

MISUMI

Phase matching is easy because machining to shafts is not required.

Spec Change

Rapid Design

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
H Timing Belt Pulley - Inch Bore

MISUMI

MISUMI H Timing Pulley - Inch Bore delivers reliable power transmission by utilizing precision-engineered teeth that mesh seamlessly with compatible timing belts. Designed to facilitate accurate synchronization in various mechanical applications, this pulley ensures minimal slippage, promoting efficient operation across industrial environments. Providing a robust aluminum alloy 7000 series or steel construction, MISUMI H Timing Pulley withstands wear and tear, effectively enhancing longevity without compromising performance or reliability.

Lead Time Reduction

Available in INCH

CAD Available in 2D and 3D
Configure Now

Ships as soon as 7 Days
[Clean & Pack] H Timing Belt Pulley

MISUMI

Two types of cleaning methods are available: degreasing and precision cleaning. They can be ordered from one piece with the standard part number.
This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.
■Part Number for Clean & Pack Products
·Degreasing (Anti-rust single packing) : Part Number SL-□□
·Precision cleaning (Degassing double packing) : Part Number SH-□□

CAD Available in 2D and 3D

Configure Now

Ships as soon as 5 Days


Brand
Product Series
CAD
Days to Ship
Specifications
Type
Belt Shape
Belt Width (in)
Belt Width (mm)
Number of Teeth(T)
Pulley Shape
Material
Surface Treatment
Cleaning Method
RoHS Compliance

	Lead Time Reduction	Lead Time Reduction		Spec Change	Spec Change	Spec Change	Lead Time Reduction
Brand	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI
Product Series	H Timing Belt Pulley - Metric or Inch Bore	Configurable Width Timing Idler Pulley - Inch Bore	L, H Flanged Timing Idler Pulleys - Teeth, Both Sides Bearing	H Timing Belt Pulley - Standard Keyless Bushing	L, H Flanged Timing Idler Pulleys - Teeth, Center Bearing	H Timing Belt Pulley - Standard or Short Keyless Bushing	H Timing Belt Pulley - Inch Bore	[Clean & Pack] H Timing Belt Pulley
CAD	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D
Days to Ship	7 Days	7 Days Stock Items Included	7 Days	7 Days	7 Days	7 Days	7 Days	5 Days
Specifications	Available in INCH Rapid Design	Available in INCH	Rapid Design	Rapid Design	Rapid Design	Rapid Design	Available in INCH
Type	Timing Pulleys	Timing Pulleys	Idlers with Teeth	Keyless Pulley	Idlers with Teeth	Keyless Pulley	Timing Pulleys	Timing Pulleys
Belt Shape	H	H	H	H	H	H	H	H
Belt Width (in)	0.75 ～ 3.00 in (3")	1.00 in (1") ～ 2.00 in (2")	0.75 in (3/4") ～ 2.00 in (2")	0.75 ～ 2.00 in (2")	0.75 in (3/4") ～ 2.00 in (2")	0.75 ～ 2.00 in (2")	1.00 in (1") ～ 2.00 in (2")	0.75 ～ 3
Belt Width (mm)	19.1 ～ 76.2	-	19.1 ～ 50.8	19.1 ～ 50.8	19.1 ～ 50.8	19.1 ～ 50.8	-	19.1 ～ 76.2
Number of Teeth(T)	14 ～ 72	16	14 ～ 36	14 ～ 50	14 ～ 28	14 ～ 50	14 ～ 72	14 ～ 36
Pulley Shape	Shape A / Shape B / W Type	-	-	Shape E / Shape F	-	Shape E / Shape F	Shape A / Shape B	Shape A / Shape B
Material	Aluminum ～ Steel	Aluminum	Aluminum ～ Steel	Aluminum ～ Steel	Aluminum ～ Steel	Aluminum ～ Steel	Aluminum	Aluminum
Surface Treatment	Black Anodize ～ Not Provided	Clear Anodize ～ Electroless Nickel Plating	Black Oxide Coating ～ Not Provided	Black Oxide Coating ～ Not Provided	Black Oxide Coating ～ Not Provided	Black Oxide Coating ～ Electroless Nickel Plating	Black Oxide Coating ～ Clear Anodize	Black Anodize ～ Hard Clear Anodize
Cleaning Method	-	-	-	-	-	-	-	Degreasing / Precision Cleaning
RoHS Compliance	-	-	-	-	-	-	-	-

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0.13 in (1/8")

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0.19 in (3/16")

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0.25 in (1/4")

0.31

0.31 in (5/16")

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0.37 in (3/8")

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0.50 in (1/2")

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0.75 in (3/4")

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Related Categories to Timing Pulleys & Idlers

- Timing Belts
- Timing Pulleys & Idlers

·Degreasing (Anti-rust single packing)	: Part Number SL-□□
·Precision cleaning (Degassing double packing)	: Part Number SH-□□

Timing Pulleys & Idlers（Belt Shape：H）

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Metric / Inch

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Number of Teeth(T)

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Related Categories to Timing Pulleys & Idlers