Product Description
Crown CR 045752 load roller assembly for manual pallet jacks, constructed from SAE 1045 medium carbon steel and finished with zinc plating for corrosion resistance. Assembly features a press-fit roller design with sealed ball bearing, and a for axle mounting.
Compatibility: Fits pallet jacks made by Crown, model CR 045752. Alternate model: CR045752. SKU: CR 045752
Specifications
Mechanical Specifications
| Load Roller Material | SAE 1045 carbon steel |
| Material Grade | Medium carbon steel (SAE 1045) |
| Finish | Zinc plating for corrosion resistance |
| Roller Design | Press-fit with sealed ball bearing |
| Bearing Type | Sealed ball bearing (pre-lubricated) |
Part Numbers & Compatibility
| Manufacturer Part Number | 045752 |
| Alternate Model Number | CR045752 |
| Compatibility | Crown manual pallet jacks with 3-inch roller requirement |
Frequently Asked Questions
Q: What is the 045752 and where does it fit on a Crown pallet jack?
A: The 045752 is a Crown load roller assembly for manual pallet jacks. It is a complete roller assembly featuring and is press‑fit with a sealed ball bearing. This assembly functions as a load wheel mounted to the fork tines and supports the pallet load during lifting and movement.
Q: What are the material and finish specifications for the 045752?
A: The 045752 is constructed from SAE 1045 medium carbon steel and features a zinc plating finish for corrosion resistance. SAE 1045 is a medium‑carbon steel selected for its balance of strength and toughness in load‑bearing applications. The zinc plating protects the steel from rust and extends component lifespan in humid or wet warehouse environments.
Q: What is the bore size of the 045752, and why does this matter?
A: Verify your current load wheel bore dimension before ordering to ensure proper fitment.
Q: What type of bearing is used in the 045752?
A: The 045752 features a sealed ball bearing integrated into the roller assembly. Sealed bearings are pre‑lubricated and enclosed to prevent contamination from dust, dirt, and moisture in warehouse environments. This design reduces maintenance requirements and extends bearing life compared to open or grease‑packed bearing designs.
Q: Is the 045752 compatible with all Crown manual pallet jacks?
A: The 045752 is designed as a replacement load roller for Crown manual pallet jacks. However, fitment depends on your specific Crown model. Verify that your pallet jack has a roller requirement, a axle bore, and a tread width. If your model has different load roller dimensions, this part will not be compatible. Consult your pallet jack documentation or our parts specialists for compatibility verification.
Q: How should this load roller assembly be stored before installation?
A: Store the 045752 in a clean, dry location indoors to prevent moisture exposure and corrosion. Avoid stacking heavy items on top of the roller and protect it from temperature extremes. Keep the sealed bearing clean and free from dirt and debris. If stored for extended periods, periodically inspect for any signs of corrosion or bearing degradation.
Q: What is the expected service life of the sealed bearing in the 045752?
A: Sealed bearings in load roller assemblies typically provide years of reliable service under normal warehouse use, depending on load intensity and frequency of use. The pre‑lubricated, sealed design minimizes maintenance needs. However, bearings should be inspected regularly for smooth rotation, unusual noise, or resistance. If the bearing becomes noisy, rough, or fails to rotate freely, the assembly should be replaced.
