Basic Info

Model NO.	MXL, XL, L, H, XH, XXH, T2.5, T5, T10, etc
Material	Aluminum/Copper/Steel
Surface Treatment	Black Coating/Clear Oxidation/Nickel Plated/Zinc
Application	Industry
OEM	Acceptable
Shipping Way	DHL, TNT, UPS, EMS, FedEx
Warranty	1 Year
Color	White/Black/Other
Certificate	RoHS
Hardness	Hardened
Manipulate Way	Semi-Automatic Manipulation
Manufacturing Method	Rolling Gear
Toothed Portion Shape	Bevel Wheel
Changes Way	Mixed
Type	Circular Gear
Trademark	JBOSUN
Specification	SGS, ROHS
Origin	Shenzhen China
HS Code	84839000

Product Description

XXH Timing Pulley is an industrial grade transmission core component designed specifically for ultra-high torque and extreme load scenarios. It adopts a reinforced tooth structure and high rigidity materials.
Our products are widely applied to security, glass ceramic, wood, metal plastic, printing, packaging, textile, food, tobacco, instrument, communication and cable, electronics, automobile, sports and other industries of mechanical transmission.

Timing Pulley
	Type	Belt nominal width	Pulley width	Step/hub	Flange diameter	Flange thickness	Number of tooth(or as blueprint)
T Type	MXL	3.048mm~25.4mm	4mm~27mm	as your request	as standard	1.0mm~3.0mm	15~200
	XL	4.826mm~50.8mm	6mm~52mm			1.0mm~3.0mm	10~200
	L	9.398mm~76.2mm	11mm~79mm			1.5mm~3.0mm	10~200
	H	9.398mm~101.6mm	11mm~105mm			1.0mm~3.0mm	10~200
	XH	19.05mm~127mm	21mm~131mm			1.0mm~3.0mm	18~120
	XXH	25.4mm~152.4mm	29mm~158mm			2.0mm~3.0mm	18~120
	T2.5	3mm-30mm	4mm-32mm			1.0mm~3.0mm	12~200
	T5	4mm~50mm	5mm-52mm			1.0mm~3.0mm	10~300
	T10	10mm~100mm	11mm~102mm			1.5mm~3.0mm	12~200
	T20	20mm~100mm	22mm~103mm			1.5mm~3.0mm	18~120
	AT5	6mm~50mm	7mm~52mm			1.0mm~3.0mm	14~300
	AT10	10mm~100mm	11mm~102mm			1.5mm~3.0mm	12~200
	AT20	20mm~100mm	22mm~103mm			1.5mm~3.0mm	18~120
Arc Type	2M	3mm-30mm	4mm~32mm			1.5mm~3.0mm	15~200
	3M	3mm-30mm	4mm~32mm			1.0mm~3.0mm	12~250
	5M	10mm~50mm	11mm~52mm			1.0mm~3.0mm	14~300
	8M	10mm~85mm	12mm-87mm			1.0mm~3.0mm	16~200
	14M	20mm~115mm	22mm-119mm			1.5mm~3.0mm	18~200
	S2M	3mm-30mm	4mm~32mm			1.0mm~3.0mm	15~200
	S3M	3mm-30mm	4mm~32mm			1.0mm~3.0mm	12~250
	S5M	10mm~50mm	11mm~52mm			1.0mm~3.0mm	14~300
	S8M	10mm~85mm	12mm-87mm			1.5mm~3.0mm	16~200
	2GT	3mm-30mm	4mm~32mm			1.0mm~3.0mm	15~200
	3GT	3mm-30mm	4mm~32mm			1.0mm~3.0mm	12~250
	5GT	10mm~50mm	11mm~52mm			1.0mm~3.0mm	14~300
	8MGT	10mm~85mm	12mm~87mm			1.0mm~3.0mm	10~200

Core advantages

XXH type double arc tooth profile
The tooth height and pitch ratio of XH type is increased by 30%, the meshing area is expanded by 50%, and the single tooth bearing capacity reaches 5000N. It can be matched with XXH (14m/20M) synchronous belt, and the transmission torque exceeds 1000 N · m.

Military grade alloy steel material
The main body is forged from 42CrMo alloy steel and subjected to vacuum carburizing and quenching (surface hardness HRC58-62, core toughness HRC35-40), resulting in a threefold increase in fatigue strength compared to ordinary carbon steel.

Full closed-loop machining accuracy
Five axis linkage CNC gear grinding (precision DIN 3 level)+ion nitriding post-treatment, tooth surface roughness Ra ≤ 0.4 μ m, ensuring transmission efficiency ≥ 99% and a lifespan of over 100000 hours.

Extreme environmental adaptability
Optional hard chrome or tungsten carbide coating (temperature resistance -60 ° C to+450 ° C), resistant to sand and dust wear and strong acid-base corrosion, suitable for harsh environments such as mining, metallurgy, and offshore platforms.

Modular heavy-duty interface
Supports cone sleeve (TB type), hydraulic locking or flange installation, with shaft hole range of Φ 30mm - Φ 300mm, compatible with ISO, ANSI and JIS standard shaft systems.

Application

Heavy industry: Main shaft drive for mining crushers, roller drive for steel mills

Energy equipment: pre tensioning system for wind power main gearbox, winch for oil drilling platform

Special vehicles: shield tunneling machine cutterhead drive, military armored vehicle track drive

Rubber and plastic machinery: mold closing mechanism for injection molding machines above 3000T, synchronous screw for extruders

Ship power: camshaft timing system for marine diesel engines, alternative solutions for servo sprocket

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