Carrier rollers, the top rollers, support the track chain on its return run across the top of the track frame, keeping the chain aligned and stopping it sagging and slapping between idler and sprocket. PartsForMachines supplies carrier rollers matched by machine make and model, with the rest of the undercarriage system, bottom rollers, idlers, sprockets, track adjusters and guides, listed in the same section.
Rollers sell by machine fitment, and the confirming data sits on each product page: tread diameter, overall width and length, mounting style, with stem-mount and flange-mount the common patterns, and bolt details. Sealed, lubricated-for-life construction is the standard, so a leaking carrier roller has finished its service life. A machine carries far fewer carrier rollers than bottom rollers, but their failure is loud and destructive: a seized top roller flat-spots, the chain saws into it, and the slapping chain accelerates wear on links and frame. Compare lines up options where patterns overlap, and Ask Simon confirms fitment from the machine model and serial.
The wear checks are simple: tread diameter against the service limit, free rotation by hand with the chain slack, and no oil weep at the seals. Carrier rollers are usually replaced during the same intervention as chain or bottom-roller work, since access is open and the parts are cheap relative to the labour of a second visit.
Undercarriage jobs run urgent, so confirm fitment first: send the machine make, model and serial via WhatsApp 07754288583 for availability on carrier rollers and the matching undercarriage parts.
| Part Type | Carrier Roller |
|---|---|
| Machine | Sumitomo KRA1717 |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Replaces | JCB 331/42441 |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | JCB 150X L |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Sumitomo KRA1302 |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | JCB 220X |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | JCB JS260 NLC |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | JCB JS260 LC |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | JCB JS240 SC |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Sumitomo KRA1251 |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | JCB JS260 SC |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Case CX160 |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | JCB JS240 NLC |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Case CX160B |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Case CX160C |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Case CX180B |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Sumitomo KRA1267 |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | JCB JS240 LC |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Case CX180C |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Case CX210 |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | JCB JZ235LC |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Replaces | JCB 332/J3091 |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Case CX210 NLC |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Case CX210B |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Case CX210B LR |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Hanix H26B |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Hanix H36C |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Hanix H36CR |
| Manufacturer | Astrak |
| Part Type | Carrier Roller |
|---|---|
| Machine | Nagano MX30 |
| Manufacturer | Astrak |
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