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iHF Timing belt Pulley High Torque S2M HTD3M P2M

iHF Timing belt Pulley High Torque S2M/S3M/S5M/S8M/HTD3M/HTD5M/HTD8M/P2M/P3M/P5M/P8M

Product features:

1. High Torque Capacity

The optimized tooth profile design provides a large contact area and enhanced meshing force, allowing it to withstand higher torque output at the same diameter.
Optimized material strength and tooth profile rigidity reduce tooth deformation caused by high loads.
Suitable for heavy-load transmissions, frequent acceleration and starting, and high-impact working environments.

2. Optimized Tooth Structure

The tooth root fillet transition design reduces stress concentration and improves fatigue life.
Helical teeth or special tooth profiles effectively reduce noise and improve meshing smoothness.
Smooth tooth flanks reduce belt wear and extend belt life.

HTD Curved Tooth Timing Pulleys (available in 2mm/3mm/5mm/8mm pitches) deliver high-torque capacity for medium-low speed heavy-duty drives. The upgraded SM Serrated Curve series achieves breakthrough compatibility with high-torque and high-speed transmission, while PM Curved Tooth series excels in superior cornering adaptability and ultra-quiet operation, making it the optimal solution for high-speed precision conveying applications.

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iHF Timing belt Pulley High Torque S2M HTD3M P2M

Timing Pulley S2M

Type			Material		Surface Treatment
Belt Width: 4mm	Belt Width: 6mm	Belt Width: 10mm	Pulley	Flange
A：5 W：9 L：17	A：7 W：11 L：19	A:11 W: 15 L: 23	Pulley	Flange
AW**S2M040	AW**S2M060	AW**S2M100	6061	6061	Natural Anodizing
AB**S2M040	AB**S2M060	AB**S2M100			Black Anodizing
AH**S2M040	AH**S2M060	AH**S2M100			Hard Anodizing
AN**S2M040	AN**S2M060	AN**S2M100			Nickel Plating
SF**S2M040	SF**S2M060	SF**S2M100	S45C	SPCC	Black Oxide Coating
SN**S2M040	SN**S2M060	SN**S2M100	S45C	SPCC	Nickel Plating
SU**S2M040	SU**S2M060	SU**S2M100	SUS303		-

Timing Pulley S3M

Type			Material		Surface Treatment
Belt Width: 6mm	Belt Width: 10mm	Belt Width: 15mm	Pulley	Flange
A：7 W：11 L：19	A：11 W：15 L：23	A:17 W: 21 L: 29	Pulley	Flange
AW**S3M060	AW**S3M100	AW**S3M150	6061	6061	Natural Anodizing
AB**S3M060	AB**S3M100	AB**S3M150			Black Anodizing
AH**S3M060	AH**S3M100	AH**S3M150			Hard Anodizing
AN**S3M060	AN**S3M100	AN**S3M150			Nickel Plating
SF**S3M060	SF**S3M100	SF**S3M150	S45C	SPCC	Black Oxide Coating
SN**S3M060	SN**S3M100	SN**S3M150	S45C	SPCC	Nickel Plating
SU**S3M060	SU**S3M100	SU**S3M150	SUS303		-

Timing Pulley S5M

Type			Material		Surface Treatment
Belt Width: 10mm	Belt Width: 15mm	Belt Width: 25mm	Pulley	Flange
A：11 W：16 L：28	A：17 W：22 L：34	A:27 W: 32 L: 44	Pulley	Flange
AW**S5M100	AW**S5M150	AW**S5M250	6061	6061	Natural Anodizing
AB**S5M100	AB**S5M150	AB**S5M250			Black Anodizing
AH**S5M100	AH**S5M150	AH**S5M250			Hard Anodizing
AN**S5M100	AN**S5M150	AN**S5M250			Nickel Plating
SF**S5M100	SF**S5M150	SF**S5M250	S45C	SPCC	Black Oxide Coating
SN**S5M100	SN**S5M150	SN**S5M250	S45C	SPCC	Nickel Plating
SU**S5M100	SU**S5M150	-	SUS303		-

Timing Pulley S8M

Type				Material		Surface Treatment
Belt Width: 15mm	Belt Width: 25mm	Belt Width: 30mm	Belt Width: 40mm	Pulley	Flange
A：17 W：22 L：37(42)	A：28 W：33 L：48(53)	A:33 W: 38 L: 53(58)	A：44 W：49 L：64(69)	Pulley	Flange
AW**S8M150	AW**S8M250	AW**S8M300	AW**S8M400	6061	6061	Natural Anodizing
AB**S8M150	AB**S8M250	AB**S8M300	AB**S8M400			Black Anodizing
AH**S8M150	AH**S8M250	AH**S8M300	AH**S8M400			Hard Anodizing
AN**S8M150	AN**S8M250	AN**S8M300	AN**S8M400			Nickel Plating
SF**S8M150	SF**S8M250	SF**S8M300	SF**S8M400	S45C	SPCC	Black Oxide Coating
SN**S8M150	SN**S8M250	SN**S8M300	SN**S8M400	S45C	SPCC	Nickel Plating

Timing Pulley HTD3M

Type			Material		Surface Treatment
Belt Width: 6mm	Belt Width: 10mm	Belt Width: 15mm	Pulley	Flange
A：7 W：11 L：19	A:11 W: 15 L: 23	A:17 W: 21 L: 29	Pulley	Flange
AW--3M060	AW--3M100	AW--3M150	6061	6061	Natural Anodizing
AB--3M060	AB--3M100	AB--3M150			Black Anodizing
AH--3M060	AH--3M100	AH--3M150			Hard Anodizing
AN--3M060	AN--3M100	AN--3M150			Nickel Plating
SF--3M060	SF--3M100	SF--3M150	S45C	SPCC	Black Oxide Coating
SN--3M060	SN--3M100	SN--3M150	S45C	SPCC	Nickel Plating
SU--3M060	SU--3M100	SU--3M150	SUS303		-

Timing Pulley HTD5M

Type			Material		Surface Treatment
Belt Width: 10mm	Belt Width: 15mm	Belt Width: 25mm	Pulley	Flange
A：11 W：16 L：28	A：17 W：22 L：34	A:27 W: 32 L: 44	Pulley	Flange
AW--5M100	AW--5M150	AW--5M250	6061	6061	Natural Anodizing
AB--5M100	AB--5M150	AB--5M250			Black Anodizing
AH--5M100	AH--5M150	AH--5M250			Hard Anodizing
AN--5M100	AN--5M150	AN--5M250			Nickel Plating
SF--5M100	SF--5M150	SF--5M250	S45C	SPCC	Black Oxide Coating
SN--5M100	SN--5M150	SN--5M250	S45C	SPCC	Nickel Plating
SU--5M100	SU--5M150	-	SUS303		-

Timing Pulley HTD8M

Type				Material		Surface Treatment
Belt Width: 15mm	Belt Width: 25mm	Belt Width: 30mm	Belt Width: 40mm	Pulley	Flange
A：17 W：22 L：37(42)	A：28 W：33 L：48(53)	A:33 W: 38 L: 53(58)	A：44 W：49 L：64(69)	Pulley	Flange
AW--8M150	AW--8M250	AW--8M300	AW--8M400	6061	6061	Natural Anodizing
AB--8M150	AB--8M250	AB--8M300	AB--8M400			Black Anodizing
AH--8M150	AH--8M250	AH--8M300	AH--8M400			Hard Anodizing
AN--8M150	AN--8M250	AN--8M300	AN--8M400			Nickel Plating
SF--8M150	SF--8M250	SF--8M300	SF--8M400	S45C	SPCC	Black Oxide Coating
SN--8M150	SN--8M250	SN--8M300	SN--8M400	S45C	SPCC	Nickel Plating

Timing Pulley P2M

Type	Material		Surface Treatment
Belt Width: 6mm	Pulley	Flange
A：7.5 W：11.5 L：20
AW**P2M060	6061	6061	Natural Anodizing
SF**P2M060	Equivalent toS45C	SPCC	Black Oxide Coating
SN**P2M060			Nickel Plating

Timing Pulley P3M

Type		Material		Surface Treatment
Belt Width: 10mm	Belt Width: 15mm	Pulley	Flange
A：12 W：16 L：23（When the number of teeth is less than 20, A=11）	A：17 W：21 L：29
AW**P3M100	AW**P3M150	6061	6061	Natural Anodizing
SF**P3M100	SF**P3M150	Equivalent to S45C	SPCC	Black Oxide Coating
SN**P3M100	SN**P3M150			Nickel Plating

Timing Pulley P5M

Type		Material		Surface Treatment
Belt Width: 10mm	Belt Width: 15mm	Pulley	Flange
A：11.6 W：16 L：28	A：16.6 W：21 L：33	Pulley	Flange
AW**P5M100	AW**P5M150	6061	6061	Natural Anodizing
AB**P5M100	AB**P5M150			Black Anodizing
AH**P5M100	AH**P5M150			Hard Anodizing
AN**P5M100	AN**P5M150			Nickel Plating
SF**P5M100	SF**P5M150	Equivalent to S45C	SPCC	Black Oxide Coating
SN**P5M100	SN**P5M150	Equivalent to S45C	SPCC	Nickel Plating

Timing Pulley P8M

Type		Material		Surface Treatment
Belt Width: 15mm	Belt Width: 25mm	Pulley	Flange
A：16.8 W：22 L：39（44）	A：27.8 W：33 L：50（55）
AW**P8M150	AW**P8M250	6061	6061	Natural Anodizing
AH**P8M150	AH**P8M250			Hard Anodizing
AN**P8M150	AN**P8M250			Nickel Plating
SF**P8M150	SF**P8M250	Equivalent to S45C	SPCC	Black Oxide Coating
SN**P8M150	SN**P8M250			Nickel Plating

Timing Pulley S2M

Timing Pulley S3M

Timing Pulley S5M

Timing Pulley S8M

Timing Pulley HTD3M

Timing Pulley HTD5M

Timing Pulley HTD8M

Timing Pulley P2M

Timing Pulley P3M

Timing Pulley P5M

Timing Pulley P8M

Timing Pulley S2M

④Pulley Profile

Tooth groove dimensions vary slightly depending on the number of teeth. Tooth pitch (2mm)

For shaft hole specifications H (round hole), V, F (stepped hole), and Y (stepped hole at both ends), there are no threaded holes.
The inside of the shaft hole may not be surface treated.
* For pulleys with type A and shaft holes with P or N, the two threaded holes are located approximately 120° or 90° from the center of the tooth groove.

Timing Pulley S3M

④Pulley Profile

Tooth groove dimensions vary slightly depending on the number of teeth. Tooth pitch (3mm)

For shaft hole specifications H (round hole), V, F (stepped hole), and Y (stepped hole at both ends), there are no threaded holes.
The inside of the shaft hole may not be surface treated.
* For pulleys with type A and shaft holes with P or N angles, the two threaded holes are located approximately 120° or 90° from the center of the tooth groove.

Timing Pulley S5M

④Pulley Profile

Tooth groove dimensions vary slightly depending on the number of teeth. Tooth pitch (5mm)

For shaft hole specifications H (round hole), V, F (stepped hole), and Y (stepped hole at both ends), there are no threaded holes.
The inside of the shaft hole may not be surface treated.
* For pulleys with type A and shaft holes with P or N holes, the two threaded holes are located approximately 120° or 90° from the center of the tooth groove.

Timing Pulley S8M

④Pulley Profile

Tooth groove dimensions vary slightly depending on the number of teeth. Tooth pitch (8mm)

For 72 teeth, t = 2 (turned flange)
For shaft hole specifications H (round hole), V, F (stepped hole), and Y (stepped hole at both ends), no threaded holes are present.
The inside of the shaft hole may not be surface treated.
* For pulleys with type A and shaft holes with P or N angles, the two threaded holes are located approximately 120° or 90° from the center of the tooth groove.

Timing Pulley HTD3M

④Pulley Profile

Tooth groove dimensions vary slightly depending on the number of teeth. Tooth pitch (3mm)

For shaft hole specifications H (round hole), V, F (stepped hole), and Y (stepped hole at both ends), there are no threaded holes.
The inside of the shaft hole may not be surface treated.
* For pulleys with type A and shaft holes with P or N angles, the two threaded holes are located approximately 120° or 90° from the center of the tooth groove.

Timing Pulley HTD5M

④Pulley Profile

Tooth groove dimensions vary slightly depending on the number of teeth. Tooth pitch (5mm)

For shaft hole specifications H (round hole), V, F (stepped hole), and Y (stepped hole at both ends), there are no threaded holes.
The inside of the shaft hole may not be surface treated.
* For pulleys with type A and shaft holes with P or N angles, the two threaded holes are located approximately 120° or 90° from the center of the tooth groove.

Timing Pulley HTD8M

④Pulley Profile

Tooth groove dimensions vary slightly depending on the number of teeth.

Tooth Pitch (8mm)

For shaft hole specifications H (round hole), V, F (stepped hole), and Y (stepped hole at both ends), there are no threaded holes.
The inside of the shaft hole may not be surface treated.
* For pulleys with type A and shaft holes with P or N, the two threaded holes are located approximately 120° or 90° from the center of the tooth groove.

Timing Pulley P2M

④Pulley Profile

The tooth groove dimensions vary slightly (2mm) depending on the number of teeth.

For shaft hole specifications H (round hole) and V (stepped hole), there are no threaded holes. Some sizes may have threaded hole relief.
The inside of the shaft hole may not be surface treated.
* For pulleys with A-type shaft holes and P/N holes, the two threaded holes are located approximately 120° or 90° from the center of the tooth groove.

Timing Pulley P3M

④Pulley Profile

The tooth groove dimensions vary slightly (3mm) depending on the number of teeth.

For shaft hole specifications H (round hole) and V (stepped hole), there are no threaded holes. Some sizes may have threaded hole relief.
The inside of the shaft hole may not be surface treated.
* For pulleys with A-type shaft holes and P/N holes, the two threaded holes are located approximately 120° or 90° from the center of the tooth groove.

Timing Pulley P5M

④Pulley Profile

Shaft hole specifications H (round hole), V, F (stepped hole), and Y (stepped hole at both ends) do not have threaded holes. Some sizes may have threaded hole relief.
The inside of the shaft hole may not be surface treated.
* For pulleys with type A and shaft holes with P or N holes, the two threaded holes should be located approximately 120° or 90° from the center of the tooth groove.

Timing Pulley P8M

④Pulley Profile

Shaft hole specifications H (round hole), V, F (stepped hole), and Y (stepped hole at both ends) do not have threaded holes. Some sizes may include threaded hole relief.
The inside of the shaft hole may not be surface treated.
* For pulleys with type A and shaft holes with P or N holes, the two threaded holes should be located approximately 120° or 90° from the center of the tooth groove.

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