Product Description
Allis Chalmers AC 4888193 roller column for electric lift trucks. Supersedes AC 2072625 and interchangeable with Yale, White, and Hyster part numbers. Features a 2.953 inch outer diameter, 1.378 inch width, 0.787 inch bore, and fits 0.787 inch shaft. Constructed with through-hardened alloy steel and precision-ground finish, rated for a maximum static load of 4,500 lbs. Includes sealed deep groove ball bearing.
Specifications
Dimensional
| Chamfer | 0.031 inch x 45° |
Material
| Roller Material | Alloy steel, through-hardened |
| Hardness | Rockwell C56-C62 |
| Finish | Precision ground and polished |
Part Numbers
| OEM Part Number | AC 4888193 |
| Cross-Reference Part Numbers | Replaces 2072625; Interchange with Yale 520012300 |
| Supersedes | AC 2072625 |
Frequently Asked Questions
Q: What is the AC 4888193 roller column and what does it do?
A: The AC 4888193 is a roller column (load wheel) used in Allis Chalmers electric lift truck mast assemblies. It supports and guides the mast as it raises and lowers. It includes a sealed deep groove ball bearing and is rated for a maximum static load of 4,500 lbs.
Q: What are the dimensions and shaft requirements?
A: The AC 4888193 has an outer diameter of 2.953 inches, a width of 1.378 inches, a bore of 0.787 inches, and fits a 0.787 inch shaft. Verify your mast assembly uses these exact dimensions before ordering.
Q: What cross-reference and equivalent part numbers exist?
A: The AC 4888193 supersedes AC 2072625 and is interchangeable with Yale part 520012300, White, and Hyster equivalents. If your mast references AC 2072625 or those other part numbers, AC 4888193 is a direct replacement.
Q: What material and hardness does this roller have?
A: The AC 4888193 is constructed from alloy steel that is through-hardened to Rockwell hardness C56-C62. It has a precision ground and polished finish with a 0.031 inch x 45 degree chamfer. This hardness and finish provide wear resistance and smooth rolling action.
Q: What is the maximum load this roller can support?
A: The AC 4888193 is rated for a maximum static load of 4,500 lbs. Do not exceed this load rating. Verify the total mast assembly load does not surpass this specification.