VS31.5W1400 Dunlop Variable Speed Belt
- 31.5mm pitch width
- 1400mm pitch length
VS31.5W1400 Dunlop Variable Speed Belt is backordered and will ship as soon as it is back in stock.
Measuring Your Belt
Measuring Your Belt
Check the markings first. Most belts have their size printed on the back, for example A24, SPZ1000 or 8PK1200. Type that code into the search bar to find the exact match.
Markings worn off? Measure across the top of the belt for the width, and its depth. For the length, wrap a piece of string round the belt, mark where it meets, then lay the string flat and measure it.
Timing or ribbed belt? Count the teeth or ribs, and measure the gap between them.
Full step-by-step guide: How to measure your belt →
Still not sure? Call 020 8138 2848 and we’ll identify it for you.
Delivery and Shipping
Delivery and Shipping
We ship across the UK and worldwide. Choose an economical service if you can wait a few days, or express if the machine is stood still until the belt arrives. Delivery costs are worked out at checkout based on the weight of your order and where it's going. More Shipping Information
VS31.5W1400 Dunlop Variable Speed Belt
The Dunlop VS31.5W1400 is a W31.5 variable-speed belt to ISO 1604, with a 31.5mm pitch width and a 1400mm pitch length (marked W31.5 x 1400). It’s a good-value replacement belt from Dunlop.
Variable-speed belts are wide, flexible belts that run on adjustable (variable-pitch) pulleys, so the machine’s speed can be changed smoothly without stopping. They’re used on drill presses, lathes, milling machines, mixers, conveyors and agricultural machinery. The extra width gives the pulleys room to move the belt up and down for a wide speed range.
Specification
| Brand and range | Dunlop variable-speed belt |
|---|---|
| Section | W31.5 (ISO 1604) |
| Pitch width | 31.5mm |
| Pitch length (Lp) | 1400mm |
| Construction | Raw edge, cogged |
Check it’s the right belt
- The old belt should be marked W31.5 x 1400 or VS31.5W1400. The W number is the pitch width in mm and the second number is the pitch length in mm.
- Match the width exactly. On a variable-speed drive the width matters more than the length: a belt that’s too narrow or too wide will reduce the speed range or slip.
- If the markings have worn off, call us with the machine make and model and we’ll find the right belt.
Not quite the right length? The nearest sizes are VS31.5W1250 and VS31.5W1600. Not sure? Call 020 8138 2848 and we’ll help you find the right belt.
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Section
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Range
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Construction
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Pitch / datum length (mm)
Payment & Security
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