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Home » Categories » Pulleys, Belts & Bearings

FingerTech S3M Timing Belt
FingerTech S3M Timing Belt
  • Description
  • Specifications
  • Reviews
  • Related
Timing pulleys and belts are the best way to transmit power from your motor to drive wheels or a spinning weapon.
While O-Rings and round belts will slip under tension, timing belts have teeth that ensure a positive lock to the pulleys.

A range of thirty-two belt sizes allows you to design your robot then pick a belt, rather than the other way around!
Use with our selection of FingerTech S3M pulleys, or any other 3mm pitch pulley.

Try our Pulley-Belt Distance Calculator!  Pick from our available pulley and belt sizes and it will tell you how far apart they will be, OR plug in your desired distance and it will tell you which belt to use!

Pitch (distance between tooth centers): 3mm
Width: 4mm
Material: Chloroprene Rubber with Fiberglass reinforcement
Tensile strength: 19-25MPa
Max load: 360 Newtons
Weight (smallest to largest): 1 - 4g (0.04 - 0.14oz)

Circumference, # of Teeth:
120mm, 40T
129mm, 43T
144mm, 48T
150mm, 50T
165mm, 55T
171mm, 57T
177mm, 59T
180mm, 60T
189mm, 63T
192mm, 64T
195mm, 65T
201mm, 67T
207mm, 69T
210mm, 70T
222mm, 74T
231mm, 77T
246mm, 82T
255mm, 85T
264mm, 88T
276mm, 92T
288mm, 96T
300mm, 100T
312mm, 104T
321mm, 107T
339mm, 113T
375mm, 125T
378mm, 126T
384mm, 128T
390mm, 130T
396mm, 132T
402mm, 134T
408mm, 136T
10 Product Reviews - Average rating 4.9 / 5 (Show All)

Click to review this product

Very durable!

- 09th January 2016

These timing belts worked great for me, spinning a pulley-powered horizontal spinner, spinning the bar at a tip speed of 160mph, it has lasted me through a bunch of testing versus cinder blocks, wood logs, etc. I got a spare belt, but I doubt i'll need it!

Excellent product

- 13th August 2015

Good selection of sizes, very durable, haven't broken one yet!

Great value

- 24th February 2015

Great servive

Perfect belt

- 25th September 2014

High quality product, much stronger than expected which is great for my application since this belt will be abused somewhere in the vicinity of 28,000 RPM. Very happy to have found a source for these belts, shipping is lightning fast, will order again for sure.

Excellent product

- 21st July 2012

As good or better quality than any other mini timing belts I have used. I've been using them for quite a while and have not noticed any wearing, even after the pulley was cut up and damaged!

Aerospace precision!

- 21st May 2011

I have used these in a custom belt drive spur system on an hpi blitz rc truck designed for high speed runs. I ran over 2 hours on a single belt at over 65 THOUSAND RPM to deliver speeds over 90mph and whisper quiet performance.

I have recently started using them in my robots and have not been a single bit disappointing with the consistency and quality they all measure within one thousandth of an inch of each other and will not stretch but as they break in they become more quiet!

And as for my beetleweight bar spinner that spins a titanium bar at over 10 thousand rpm with over 900 foot pounds of torque on impact I am positive I will break my grade 5 titanium bar before the belt does!

Click to review this product

FingerTech S3M Timing PulleyFingerTech S3M Timing Pulley - 5.71 CAD

Our specialty Timing Pulleys and Belts are the perfect solution for transmitting power from motors to wheels or shafts.
While O-Rings and round belts will slip under tension, timing belts have teeth that ensure a positive lock to the pulleys.

Ten pulley sizes means there are 55 different ratio combinations to choose from!
Use with FingerTech Timing Belts, or any other 3mm pitch belt.
• S3M pitch (3mm high-torque)
• Belt Width (maximum): 4mm
• Sizes: 9 Teeth - 42 Teeth
• Bore: 3mm (9T, 15T and 16T can be drilled up to 5/32", larger pulleys can be drilled up to 1/4")
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Price: 5.72 CAD
4.43 USD 3.91 EUR

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