# Star Trac Pro S 5531-SUSAP0 Treadmill Rear Idler Roller (RP330)

\## Star Trac Pro S 5531-SUSAP0 Treadmill Rear Idler Roller

The Star Trac Pro S 5531-SUSAP0 Treadmill Rear Idler Roller is a replacement treadmill roller identified by part number \*\*RP330\*\*. It is designed for the rear idler position on a compatible Star Trac treadmill. If the original rear roller needs replacement, this component can help you restore the correct roller arrangement in the treadmill assembly.

This product suits treadmill owners, fitness equipment technicians, repair shops, and maintenance teams working on Star Trac equipment. Selecting the correct roller matters because treadmill rollers form part of the belt-running system. The rear idler roller sits at the back of the treadmill deck and works with the running belt and other related components. A properly matched replacement helps ensure that the repair uses the correct part for the specified equipment model.

## Product Details and Benefits

\*\*Product name:\*\* Star Trac Pro S 5531-SUSAP0 Treadmill Rear Idler Roller  
\*\*Brand:\*\* Star Trac  
\*\*Product category:\*\* Treadmill Rollers  
\*\*Part number:\*\* RP330  
\*\*SKU:\*\* RP330  
\*\*Barcode:\*\* RP330  
\*\*Equipment type:\*\* Treadmill  
\*\*Position:\*\* Rear idler roller  
\*\*Listed serial number:\*\* PS30201328

The RP330 is identified specifically as a \*\*rear idler roller\*\*, rather than a front drive roller or another treadmill component. This distinction helps buyers compare the replacement part with the roller being removed from their equipment. The part is intended for replacement use on the Star Trac Pro S 5531-SUSAP0 treadmill listed with this product.

Replacing a worn, damaged, or otherwise unsuitable rear idler roller can support proper maintenance of the treadmill’s belt and roller assembly. The practical benefit of using a model-specific replacement is that it gives the technician a clearly identified component to compare with the original part before installation.

## Compatibility and Applications

This Star Trac treadmill rear idler roller is listed for the \*\*Star Trac Pro S 5531-SUSAP0\*\* treadmill. It is intended for use as a replacement rear roller on that equipment. The listing does not provide a broader compatibility list, so do not assume that RP330 fits other Star Trac treadmill models or different brands.

Use this part when servicing the rear roller assembly on the specified treadmill. It may be suitable for equipment repair, scheduled maintenance, or replacement of an existing rear idler roller, subject to confirmation against the treadmill and the original component.

## Before You Buy

Confirm all identifying details before ordering:

\- Brand: \*\*Star Trac\*\*  
\- Treadmill model: \*\*Pro S 5531-SUSAP0\*\*  
\- Component: \*\*Rear idler roller\*\*  
\- Part number and SKU: \*\*RP330\*\*  
\- Listed serial number: \*\*PS30201328\*\*

The available product information does not specify the roller’s dimensions, material, color, package quantity, installation method, or warranty. Compare the original roller and your treadmill model with the listing before purchase. If you need exact measurements, contact the seller for additional product details before placing the order.

## Details

- **Price:** 149.99 USD
- **Vendor:** Star Trac
- **Type:** Treadmill Rollers
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 149.99 USD | In stock |

## Images

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## Additional Information

- **Condition:** PREOWNED

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> Source: [Cardio Equipment Parts](https://www.cardioequipmentparts.com/products/star-trac-pro-s-5531-susap0-treadmill-rear-idler-roller-rp330)
> Updated: 2026-08-29