Product Description
Columbia CO 30153-77 bearing for manual pallet jack load or steering wheels. Precision sealed ball bearing with a 20 mm bore, 47 mm OD, and 14 mm width. Manufactured from high carbon chromium steel and equipped with dual rubber contact seals. Intended for OEM press-fit installation on Columbia pallet jacks.
Specifications
Material & Construction
| Bearing Material | High carbon chromium steel (conforms to SAE 52100/ASTM A485) |
Mechanical Specifications
| Bearing Grade | ABEC 3 |
| Lubrication | Factory pre-lubricated with NLGI Grade 2 lithium grease |
Part Numbers
| OEM Part Number | CO 30153-77 |
Frequently Asked Questions
Q: What are the key dimensions of the CO 30153-77 bearing?
A: The CO 30153-77 is a precision sealed ball bearing with a 20 mm bore diameter, 47 mm outer diameter, and 14 mm width. These dimensions make it suitable for load or steering wheel applications on Columbia manual pallet jacks and compatible OEM equipment. Always verify your hub bore and wheel assembly dimensions match these specifications before ordering.
Q: What material and sealing does the CO 30153-77 bearing use?
A: The CO 30153-77 is manufactured from high-carbon chromium steel that conforms to SAE 52100 and ASTM A485 standards. It features dual rubber contact seals for splash protection and is rated ABEC 3 for precision. The bearing arrives factory pre-lubricated with NLGI Grade 2 lithium grease, ready for OEM press-fit installation on Columbia pallet jacks.
Q: Is the CO 30153-77 designed for press-fit installation?
A: Yes. The CO 30153-77 is engineered for OEM press-fit installation on Columbia pallet jack wheel hubs. The bearing tolerances and bore diameter are specified for this assembly method. Do not attempt to manually force or tap this bearing into place, as improper installation can damage races and seals.
Q: Will the CO 30153-77 work on non-Columbia pallet jacks?
A: The CO 30153-77 is an OEM part for Columbia pallet jacks. While the 20 mm bore and 47 mm OD dimensions may be compatible with other manual pallet jack models from brands like Toyota, Raymond, or Yale, fitment depends on hub design and wheel assembly specifications. Verify your equipment model and wheel hub dimensions against this bearing specification before ordering.
Q: What maintenance does the CO 30153-77 bearing require?
A: The CO 30153-77 arrives factory pre-lubricated and requires minimal field maintenance. Periodically inspect the dual rubber seals for damage or wear. Do not disassemble or relubricate unless seals are compromised. Replace the bearing if wheels show excessive noise, wobbling, or drag during equipment operation.