5M Pitch Timing Belts

Q: What does 5M mean on a timing belt?

The 5M designation means 5mm pitch with a metric HTD tooth profile. In the standard part number format (e.g., 535-5M-25), the first number is the pitch length in millimeters, 5M is the pitch, and the last number is the belt width in millimeters.

Q: Can I use a GT2 5M belt on HTD 5M pulleys?

Yes. GT2 and GT3 belts in 5mm pitch are backward compatible with standard HTD 5M pulleys. The GT tooth profile provides improved load capacity and reduced backlash. Replacing an HTD 5M belt with a GT2 5M belt on existing HTD pulleys is a common upgrade that requires no hardware changes.

Q: How do I measure a 5M timing belt for replacement?

Measure the pitch by spanning 10 teeth with a caliper and dividing by 10 (result should be close to 5mm). Measure width straight across. For pitch length, count total teeth and multiply by 5mm, or check the first number in the part number.

2877 products

5M Timing Belts: 5mm Pitch, HTD Curvilinear

5M timing belts are 5mm pitch synchronous belts with a curvilinear (rounded) HTD tooth profile. The 5M pitch is the most widely used metric timing belt size in industrial applications, used in everything from packaging equipment and CNC machines to 3D printers and small conveyor drives. The 5mm pitch provides a strong balance of load capacity and compact drive size for low-to-medium torque applications.

Texas Belting stocks 5M timing belts in standard widths of 9mm, 15mm, 20mm, and 25mm, with pitch lengths ranging from approximately 225mm to over 4,000mm. We carry belts from Gates, Continental, Bando, Diesel Belting, and Megadyne in neoprene, urethane, Kevlar-reinforced, and Poly Chain GT Carbon constructions.

Quick Specs: 5M Timing Belts

Pitch: 5mm (0.197")

Tooth profile: HTD curvilinear (rounded)

Tooth height: 2.06mm

Standard widths: 9mm, 15mm, 20mm, 25mm

Body material: Neoprene (standard), polyurethane, HNBR

Tensile cord: Fiberglass (standard), Kevlar, steel

Temperature range: -30°F to +185°F (neoprene)

Profile family: HTD (High Torque Drive)

Compatible profiles: GT2 5M, 5MGT (backward compatible on HTD pulleys)

Need a specific 5M belt size? Send us your part number or measurements. We stock 800+ 5M belt SKUs and can confirm availability and pricing within the hour.

Request a Quote 888-203-2358

How to Read a 5M Timing Belt Part Number

5M timing belt part numbers follow a simple format that encodes pitch length, pitch, and width. Here is how to decode common formats:

Part Number	Pitch Length	Pitch	Width	Notes
270-5M-15	270mm	5mm (5M)	15mm	Standard format: Length-Pitch-Width
535-5M-25	535mm	5mm (5M)	25mm	Wider belt for higher load applications
275-5M-09	275mm	5mm (5M)	9mm	Narrow belt for compact drives
Gates 5MGT-xxx-xx	Varies	5mm (GT)	Varies	Gates GT profile (compatible with 5M pulleys)

If the part number on your belt is worn or unreadable, you can identify it by measuring the pitch across 10 teeth and dividing by 10. A measurement close to 5mm confirms a 5M belt. Then measure the width and count the total teeth to determine pitch length (teeth count x 5mm = pitch length). See our full timing belt measurement guide for step-by-step instructions.

5M Timing Belt Widths

5M belts are available in several standard widths. Wider belts transmit more torque and carry heavier loads. The width must match your pulleys.

Width	Typical Use	Relative Load Capacity
9mm	Light-duty drives, small motors, 3D printers, instruments	Low
15mm	General-purpose industrial drives, the most common 5M width	Medium
20mm	Medium-load drives, packaging equipment, small conveyors	Medium-high
25mm	Higher-load drives, automation, heavier conveyor and machine applications	High

Custom widths outside of the standard 9/15/20/25mm range may be available on special order. Contact us if you need a non-standard width.

5M Belt Material and Construction Options

Standard Neoprene (Most Common)

The default 5M belt construction is a neoprene body with fiberglass tensile cords and nylon tooth facing. This is the right choice for most general industrial drives operating indoors at standard temperatures. It provides reliable performance, good flexibility, and a long service life in clean, dry environments.

Polyurethane / Urethane

Polyurethane 5M belts offer better abrasion resistance, chemical resistance, and are FDA compliant for food-contact applications. Available with Kevlar or steel cord reinforcement. Choose urethane when the belt will be exposed to oils, chemicals, washdown environments, or when FDA/USDA compliance is required. See our Urethane Timing Belts page for more details.

Kevlar Reinforced

Kevlar tensile cords provide higher tensile strength and better fatigue resistance than standard fiberglass. Used in high-load, high-cycle applications where the standard fiberglass cord reaches its limits. Available in both neoprene and urethane body materials.

Poly Chain GT Carbon (Gates)

Gates Poly Chain GT Carbon belts in 5MGT pitch use a polyurethane body with carbon fiber tensile cords. They deliver significantly higher horsepower ratings than standard neoprene 5M belts, with better chemical resistance and no need for re-tensioning. An excellent upgrade when you need more drive capacity without changing pulleys or center distance.

5M vs Other Timing Belt Pitches

The 5M pitch sits in the sweet spot between compact drive size and useful torque capacity. Here is how it compares to the most common neighboring pitches.

Feature	3M (3mm)	5M (5mm)	8M (8mm)
Torque capacity	Low	Low to medium	Medium to high
Speed range	High speed capable	Moderate to high	Moderate
Minimum pulley size	Smaller (compact drives)	Moderate	Larger
Typical applications	Small motors, instruments	Packaging, CNC, automation	Conveyors, heavy packaging, machine tools
Common widths	6mm, 9mm, 15mm	9mm, 15mm, 20mm, 25mm	12mm, 20mm, 30mm, 50mm, 85mm

If your drive needs more torque than a 25mm wide 5M belt can handle, the next step up is an 8M pitch belt, which provides significantly higher load capacity at the cost of a larger pulley and drive footprint. Browse all timing belt pitches and profiles.

Common 5M Timing Belt Applications

5M belts are found across a wide range of industries and equipment types. These are the most common applications our customers order 5M belts for.

Application	Why 5M	Typical Width
Packaging equipment	Precise indexing and accurate product spacing at moderate speeds	15mm, 25mm
CNC machines and routers	Low backlash for accurate axis positioning	9mm, 15mm
3D printers	Compact, precise linear motion for print head and bed drives	9mm
Automation and pick-and-place	Repeatable positioning with minimal backlash	9mm, 15mm
Food processing (urethane)	FDA-compliant material, easy to clean, no lubrication needed	15mm, 25mm
Small conveyor drives	Positive drive prevents slip under varying loads	15mm, 20mm, 25mm
Printing and paper handling	Consistent speed for accurate registration	15mm, 20mm
Textile equipment	Synchronized multi-shaft drive at moderate torque	15mm, 25mm
Medical and lab equipment	Precise, quiet motion in compact drives	9mm, 15mm

5M Timing Belt Brands We Stock

Brand	5M Product Lines	Construction
Gates	PowerGrip HTD 5M, PowerGrip GT3 5M, Poly Chain GT Carbon 5MGT	Neoprene, polyurethane, carbon cord
Continental / ContiTech	Synchroforce HTD 5M	Neoprene, fiberglass cord
Bando	Synchro-Link HTD 5M	Neoprene, fiberglass cord
Diesel Belting	Standard HTD 5M	Neoprene, fiberglass cord
Megadyne	ISORAN HTD 5M	Neoprene, polyurethane

We cross-reference 5M belt part numbers across all manufacturers. If you have a Gates belt and need a Continental or Bando equivalent, send us the part number and we will confirm the match.

5M Timing Belt FAQs

What is a 5M timing belt?

A 5M timing belt is a synchronous (toothed) power transmission belt with a 5mm pitch, meaning the distance between adjacent tooth centers is 5mm. It uses an HTD (High Torque Drive) curvilinear tooth profile. The 5M pitch is the most common metric timing belt size used in industrial equipment, packaging machinery, CNC machines, and automation systems.

What does 5M mean on a timing belt?

The "5M" designation means 5mm pitch with a metric HTD tooth profile. In the standard part number format (e.g., 535-5M-25), the first number is the pitch length in millimeters, "5M" is the pitch, and the last number is the belt width in millimeters.

What widths are available for 5M timing belts?

Standard 5M widths are 9mm, 15mm, 20mm, and 25mm. The 15mm width is the most common for general-purpose applications. The 9mm is used for light-duty and compact drives, while 20mm and 25mm are used when higher load capacity is needed. Custom widths may be available on special order.

Can I use a GT2 5M belt on HTD 5M pulleys?

Yes. GT2 (and GT3) belts in 5mm pitch are backward compatible with standard HTD 5M pulleys. The GT tooth profile provides improved load capacity and reduced backlash compared to standard HTD. Replacing an HTD 5M belt with a GT2 5M belt on existing HTD pulleys is a common upgrade that requires no hardware changes.

What is the difference between a 5M and a T5 timing belt?

Both are 5mm pitch belts, but they use different tooth profiles. The 5M uses a curvilinear (rounded) HTD tooth, while the T5 uses a trapezoidal (straight-sided) tooth. They are not interchangeable because the tooth shapes are different and require different pulleys. The 5M provides higher torque capacity at the same pitch. If you are unsure which you have, check the tooth shape or pulley markings. See our Tooth Profiles Explained guide for a visual comparison.

Are food-grade 5M timing belts available?

Yes. 5M timing belts are available in FDA and USDA-compliant polyurethane for food-contact applications. These belts resist bacteria growth, are easy to clean, and meet food safety requirements for food processing, bakery, dairy, and pharmaceutical equipment. See our food grade timing belts.

How many 5M timing belts do you stock?

Texas Belting stocks over 800 5M timing belt SKUs across multiple widths, lengths, brands, and constructions at our Houston warehouse. Most standard 5M belts in 9mm, 15mm, and 25mm widths ship same day. Less common lengths and specialty constructions typically ship within 3 to 5 business days.

How do I measure a 5M timing belt for replacement?

Measure the pitch by spanning 10 teeth with a caliper or ruler and dividing by 10 (result should be close to 5mm). Make sure the teeth are rounded (curvilinear), not straight-sided (which would indicate a T5 or XL belt). Measure width straight across the belt. For pitch length, count the total number of teeth and multiply by 5mm, or check the first number in the part number. See our complete timing belt measurement guide.

Need the Right 5M Belt Fast? Send us your part number, OEM reference, or measurements. We will cross-reference it, confirm the correct belt, and quote it, usually within the hour.

Request a Quote 888-203-2358

5M Drive Components

Every 5M belt needs a matched 5M HTD sprocket. The sprocket tooth profile must match the belt profile exactly. Browse our HTD drive components, or see our Sprocket Selection Guide for help choosing the right one.

5M HTD Sprockets HTD sprockets in 5M pitch. Pilot bore, QD, and Taper Lock mount. Match to your 5M belt. All Timing Belt Sprockets Browse HTD, GT, trapezoidal, and Poly Chain sprockets matched to every belt profile we stock. QD & Taper Lock Bushings Mounting bushings for HTD sprockets. English and metric bores. Steel and stainless steel. All Pulleys, Sheaves & Sprockets V-belt sheaves, timing belt sprockets, QD and Taper Lock bushings.

← All Timing Belts • HTD Timing Belts • 8M Timing Belts • 3M Timing Belts • 14M Timing Belts • GT Timing Belts • XL Timing Belts • Gates Timing Belts • Poly Chain GT Carbon • Tooth Profiles Explained • Timing Belt Selection Guide • Pitch Chart • How to Measure • Troubleshooting Guide • Urethane Timing Belts • Food Grade Timing Belts

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