Product Description
ROLLER
Specifications
Product Overview
| Product Type | Mast Roller Assembly |
Physical Specifications
| Tread Surface | Nylon or Polyurethane |
| Bearing Type | Sealed Ball Bearing or Bronze Bushing |
| Frame/Bracket Material | Steel |
| Function | Mast guidance and load distribution during vertical movement |
| Typical Lifespan | 4-6 years or 10,000-15,000 cycles under normal use |
Compatibility
| Compatible Equipment | Manual Pallet Jacks |
| Wheel Material | Cast Iron or Ductile Iron |
| Compatible Makes | Toyota, Crown, Raymond, Yale |
Frequently Asked Questions
Q: What is the function of a roller on a manual pallet jack?
A: The roller is a load-bearing wheel component mounted on the mast frame of a manual pallet jack. It guides the mast guides vertically during lifting and lowering operations, reduces friction between the mast and frame channels, and ensures smooth, straight vertical movement under load.
Q: Which pallet jack models are compatible with part 00591-43165-81?
A: This roller assembly fits Toyota, Crown, Raymond, and Yale manual pallet jacks with standard mast frame geometry. Verify your equipment model and mast channel width before ordering to ensure the roller track diameter and mounting bracket match your jack configuration.
Q: What materials are used in this roller component?
A: The roller typically features a cast iron or ductile iron wheel core with a nylon or polyurethane tread surface. The bearing assembly may be a sealed ball bearing or bronze bushing, depending on the specific jack model. Steel brackets and fasteners provide frame attachment.
Q: How can I tell if the roller needs replacement?
A: Symptoms of roller failure include grinding or squeaking sounds during mast movement, visible wear or flattening of the wheel tread, binding or sticking of the mast, or uneven lifting. Worn rollers increase friction and reduce hydraulic system efficiency, requiring higher pump pressure to lift the same load.
Q: How long do mast rollers typically last?
A: Mast rollers generally last 4 to 6 years or 10000 to 15000 pallet jack cycles under normal warehouse use. Lifespan is reduced by heavy loads, contaminated hydraulic fluid spills on the mast, rough handling, and inadequate lubrication of bearing surfaces. Regular cleaning of mast channels extends roller life.