Product Description
Crown CR 813128 caster wheel assembly engineered for ST 3000 Series Stacker frame and undercarriage. Features 3.5 inch outside diameter polyurethane wheel with 95-A durometer hardness, 2.17 inch bore, and integrated bearing system with 0.84 inch bearing bore depth. Complete assembly includes precision bearings for heavy-duty material handling applications.
Compatibility: Fits pallet jacks made by Crown, model ST 3000. Alternate model: ST3000. SKU: CR 813128
Specifications
Material & Construction
| Wheel Material | Polyurethane compound |
| Polyurethane Hardness | 95-A durometer Shore A scale |
| Wheel Type | 95A polyurethane load wheel |
Part Numbers & Compatibility
| OEM Part Number | CR 813128 |
| Alternate Part Numbers | CR813128, 813128, Crown 813128 |
| Equipment Compatibility | Crown ST 3000 Series Stacker |
Frequently Asked Questions
Q: What equipment does CR 813128 caster wheel assembly fit?
A: CR 813128 is a caster wheel assembly engineered for Crown ST 3000 Series stackers and pallet jacks. The assembly is configured for frame and undercarriage mounting. OEM part number is 813128; alternate model designation is ST3000. Verify your equipment nameplate matches Crown ST 3000 before ordering.
Q: What are the wheel dimensions and bearing specifications for CR 813128?
A: CR 813128 features a 3.5 inch outside diameter polyurethane wheel with 95A durometer hardness, 2.17 inch wheel bore, and 0.84 inch bearing bore depth. The integrated bearing system is precision-engineered for heavy-duty material handling. All bearing surfaces are sealed to prevent contamination in industrial environments.
Q: What cross-reference numbers are available for CR 813128?
A: CR 813128 cross-references as Crown 813128 and 813128. The part supersedes and is equivalent to all previous Crown ST 3000 Series caster wheel designations. When searching OEM databases or supplier inventory, use any of these numbers: CR813128, 813128, Crown 813128, or CR 813128.
Q: How does CR 813128 compare to CR 813129 caster wheel?
A: CR 813128 and CR 813129 are both 95A polyurethane caster wheels for Crown ST 3000 Series equipment. CR 813128 has a 3.5 inch outside diameter with 2.17 inch bore. CR 813129 has the same 3.5 inch outside diameter but 2.00 inch tread width and 2.17 inch inside diameter. Verify your truck specification before ordering to ensure correct fitment.
Q: What is the expected service life of CR 813128 polyurethane caster wheels?
A: High-resilience 95A polyurethane wheels typically provide 18 to 36 months of service depending on floor surface, load weight, and runtime. Inspect regularly for uneven wear, flat spots, cracking, or bearing noise. Replace wheels when tread depth falls below 2mm or wheels no longer rotate freely without wobbling or grinding sounds.