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Remco R440RK Repair Kit for RollMax 4-Roller Pumps -- Rollers, Seals, Bearing, O-Ring

Remco R440RK RollMax 4-Roller Pump Repair Kit with Max rollers, needle bearing, lip seals, O-ring, and Pilly key for R440C and R440SS pumps
 
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Part Number: R440RK
Manufacturer: Remco Industries

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Remco Industries Part No. R440RK Fits R440C & R440SS Remco R440RK Universal Repair Kit for RollMax 4-Roller Pumps

Stop losing prime and restore full flow without buying a new pump. The Remco R440RK includes every wear component needed to fully rebuild your RollMax 4-roller pump -- rollers, seals, bearing, and hardware all in one kit. Purpose-built for the R440C and R440SS models, this kit brings your pump back to factory performance at a fraction of replacement cost.

Rebuild Your RollMax Pump Instead of Replacing It

Remco RollMax 4-roller pumps are workhorse units commonly used for fuel transfer, oil transfer, and other fluid-handling applications in RV, agriculture, and industrial settings. Like all roller pumps, internal wear components -- the rollers, lip seals, and bearing -- degrade over time and with heavy use. The R440RK gives you everything required for a complete rebuild in a single, convenient package.

Whether your pump is losing suction, leaking around the shaft, running noisier than usual, or simply due for scheduled maintenance, this kit covers all the standard failure points. No hunting for individual parts from multiple sources.

4 Max Rollers

Replacement rollers engineered for consistent fluid transfer and even rotor contact inside the pump housing.

1/2 in. Needle Bearing

Restores smooth shaft rotation and eliminates the wobble that causes premature seal wear and noise.

2 Lip Seals

Dual lip seals prevent shaft leaks and help the pump maintain prime under sustained operation.

O-Ring and Pilly Key

Complete reassembly hardware included -- no additional fasteners or seals needed to finish the rebuild.

What Is Included in the R440RK Kit

  • 4x Max Rollers (rotor contact rollers)
  • 1x 1/2 in. Needle Bearing
  • 2x Lip Seals
  • 1x O-Ring
  • 1x Pilly Key (shaft key for reassembly)
Complete Rebuild in One Kit: All five component types that commonly wear in a 4-roller pump are included. You will not need to source seals, rollers, or hardware separately when using this kit for a standard rebuild.

When to Rebuild Your RollMax Pump

Roller pumps give clear warning signs when internal components are worn. Rebuild with the R440RK when you notice any of the following:

  • Pump is losing prime or struggles to self-prime
  • Noticeable drop in flow rate compared to normal operation
  • Visible fluid leaks around the shaft seal or end cover
  • Unusual grinding, rattling, or rumbling noise during operation
  • Preventive rebuild after extended heavy-duty service cycles
Preventive Maintenance Note: Many operators schedule a rebuild after every 1-2 seasons of regular use even if the pump appears functional. Fresh rollers and seals prevent unplanned downtime and are far less disruptive than a mid-job pump failure.

Compatibility -- Remco RollMax 4-Roller Pumps

The R440RK is designed specifically for Remco RollMax 4-roller pump models. Confirmed compatible models include:

  • R440C -- RollMax 4-Roller Pump, Cast Iron construction
  • R440SS -- RollMax 4-Roller Pump, Stainless Steel construction

If you are unsure whether this kit fits your specific Remco pump, check the model number stamped on the pump housing or nameplate and confirm it is a 4-roller RollMax series unit.

Not a Universal Fit for All Remco Pumps: This kit is for the RollMax 4-roller pump series only. It is not designed for Remco diaphragm pumps, centrifugal pumps, or other pump configurations. Using incorrect rollers or seals can result in poor fit, leaks, or damage.
Rebuild Tips:
  • Clean the pump housing thoroughly before installing new rollers and seals.
  • Inspect the rotor and housing bore for scoring before reassembly -- a damaged housing will wear new rollers prematurely.
  • Lightly lubricate lip seals with a compatible fluid before pressing into place.
  • Ensure the Pilly key is fully seated before reassembling the drive coupling.

Kit Identification

ManufacturerRemco Industries
Part NumberR440RK
UPC810042233515
Kit TypeUniversal Repair / Rebuild Kit
Pump SeriesRollMax 4-Roller

Kit Contents

Max Rollers4 (rotor contact rollers)
Needle Bearing1/2 in. (shaft support bearing)
Lip Seals2 (shaft seals)
O-Ring1 (housing seal)
Pilly Key1 (shaft key for reassembly)

Pump Compatibility

Fits ModelRemco R440C (Cast Iron, 4-Roller)
Fits ModelRemco R440SS (Stainless Steel, 4-Roller)
Pump Configuration4-Roller RollMax series only
Not Compatible WithRemco diaphragm, centrifugal, or non-RollMax pump models

Components Addressed by This Kit

Roller WearReplaced by 4 new Max Rollers
Shaft LeaksAddressed by 2 new Lip Seals
Shaft Noise / PlayAddressed by new 1/2 in. Needle Bearing
Housing Seal LeakAddressed by new O-Ring
Drive ReassemblyPilly Key included for shaft-to-coupling connection
Important Information
  • This kit is designed exclusively for Remco RollMax 4-roller pump models R440C and R440SS. Confirm your pump model before ordering.
  • This is a repair/rebuild kit only -- it does not include a pump housing, rotor, end cover, or drive shaft. The pump body must be in serviceable condition for a rebuild to be effective.
  • Inspect the pump housing bore and rotor for scoring or cracks before installing new components. Worn or damaged housings will degrade new rollers rapidly.
  • Always relieve pressure and disconnect power or drive source from the pump before beginning any disassembly or rebuild work.
  • Use components only with fluids compatible with the seal and roller materials in your pump. Consult Remco's fluid compatibility data if transferring solvents, aggressive chemicals, or non-petroleum fluids.


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