SPA 560 x 4 Groove Pilot Bore Pulley
- SPA
- 4 grooves
- 560mm pitch diameter
- pilot bore
SPA 560 x 4 Groove Pilot Bore Pulley 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
SPA 560 x 4 Groove Pilot Bore Pulley
SPA 560 x 4 Groove Pilot Bore Pulley is backordered and will ship as soon as it is back in stock.
The SPA560/4 is a 4-groove SPA pilot bore pulley with a 560mm pitch diameter. It runs SPA wedge belts and A (13mm) classical V-belts.
It has a pilot bore: a small starter hole that you, or your machine shop, bore out to your shaft size and cut a keyway in.
It’s made from cast iron (EN-GJL-200) with grooves to ISO 4183 and DIN 2211, black phosphated against corrosion, and statically balanced for belt speeds up to 35m/s.
Specification
| Part number | SPA560/4 |
|---|---|
| Groove section | SPA (belt top width 12.7mm) |
| Number of grooves | 4 |
| Pitch diameter | 560mm |
| Outside diameter | about 565.5mm |
| Face width | about 65mm |
| Bore | Pilot bore, to be bored to size |
| Material | Cast iron EN-GJL-200, black phosphated |
Check it’s the right pulley
- The old pulley should be marked SPA560/4 or SPA 560 x 4.
- Measure across the outside of the rim: about 565.5mm. The pitch diameter is smaller because it’s measured where the belt sits in the groove.
- Check your belts are SPA (or the matching classical section) and you need 4 grooves.
Not quite the right size? The nearest diameters with 4 grooves are SPA500/4 and SPA630/4. Not sure? Call 020 8138 2848 and we’ll help you find the right pulley.
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Section
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Grooves
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Pitch diameter (mm)
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Bore type
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