Product Description
Crown CR 44506-003-SS Load Roller Assembly provides a complete aftermarket replacement featuring steel wheel with stainless steel sealed shoulder bearings for Crown PTH50 manual pallet jacks. The pre-lubricated maintenance-free bearing system eliminates field greasing requirements while resisting moisture and contamination in harsh warehouse environments. Supersedes CR 44506-003 and replaces nylon variant CR 44506-002. Stainless steel construction delivers extended service life in wet storage, cold, or high-humidity applications.
Specifications
Product Identity
| Manufacturer Part Number | CR 44506-003 |
| Cross Reference Part Numbers | Supersedes CR 44506-003, replaces CR 44506-002 (nylon variant) |
Physical Specifications
| Wheel Material | Structural steel construction with machined surface |
Bearing System
| Bearing Type | Stainless steel sealed shoulder bearings |
| Bearing System | Pre-lubricated maintenance-free sealed design |
Material & Construction
| Hub Material | Steel hub with integrated bearing races and precision bore |
| Corrosion Resistance | Stainless steel bearings and sealed construction resist rust and oxidation |
Equipment Compatibility
| Compatible Equipment Make | Crown |
| Compatible Equipment Model | PTH50 manual pallet jack (newer series frames) |
| Alternate Model Designations | PTH-50, PTH 50 |
Frequently Asked Questions
Q: What bearing system does the CR 44506-003-SS include?
A: The CR 44506-003-SS features stainless steel sealed shoulder bearings with a pre-lubricated maintenance-free design. Sealed bearings resist moisture and contamination, extending service life in wet or dusty warehouse environments.
Q: Which Crown pallet jack models is the CR 44506-003-SS compatible with?
A: The CR 44506-003-SS is designed for Crown PTH50 manual pallet jacks in newer series frames. It supersedes the CR 44506-003 and replaces the nylon variant CR 44506-002 for equipment requiring enhanced steel and stainless steel construction.
Q: What are the physical specifications of the CR 44506-003-SS roller?
A: The CR 44506-003-SS features a steel wheel. The stainless steel sealed shoulder bearings are pre-lubricated and require no field maintenance, simplifying long-term upkeep.
Q: How does the stainless steel variant extend service life compared to standard steel?
A: Stainless steel bearings and sealed construction resist rust, corrosion, and oxidation in wet, acidic, or chemically harsh environments. The CR 44506-003-SS delivers extended service life and reduced maintenance compared to unsealed steel variants.
Q: What does maintenance-free bearing system mean?
A: Pre-lubricated sealed bearings require no field greasing, cleaning, or adjustment during normal warehouse service. The sealed design protects the bearing from dust and moisture, allowing longer service intervals before replacement becomes necessary.
Q: Why would someone choose CR 44506-003-SS over CR 44506-003?
A: Choose the CR 44506-003-SS for wet storage, cold environments, or high-humidity warehouse locations where moisture exposure is constant. The sealed stainless steel bearings and corrosion-resistant construction provide superior durability and lower maintenance costs in challenging industrial applications.
Q: How should this load roller assembly be stored?
A: Store the CR 44506-003-SS in a clean, dry location away from direct sunlight, moisture, and corrosive substances. When not in use, keep the assembly in its original packaging to protect the bearings and maintain seal integrity.
Q: What is the service lifespan of the CR 44506-003-SS?
A: With proper maintenance and sealed bearing design, the CR 44506-003-SS delivers extended service life in industrial material handling applications. Sealed bearings eliminate the need for periodic relubrication, allowing this assembly to function reliably through multiple equipment duty cycles compared to unsealed alternatives.
