Product Description
BEARING assembly
Frequently Asked Questions
Q: What is the 12MP28 bearing assembly used for?
A: The 12MP28 is a bearing assembly designed for manual pallet jack load wheels, pump assemblies, or other rotating components on pallet jacks and low-lift material handling equipment. It provides load support and smooth operation under warehouse and distribution conditions.
Q: Which pallet jack brands and models use the 12MP28 bearing assembly?
A: The 12MP28 bearing assembly is compatible with manual pallet jacks from manufacturers including Crown, Toyota, Raymond, Yale, Hyster, and Clark. Verify your equipment model and OEM documentation to confirm that this bearing is the correct replacement for your specific pallet jack design.
Q: What material properties should a manual pallet jack bearing assembly have?
A: Bearing assemblies for pallet jacks require sealed or shielded construction to resist dust, moisture, and contamination. The races and balls are typically steel with grease lubrication. Clearance tolerances are designed to support multi-ton loads while maintaining smooth rotation under repeated use.
Q: What is the typical service life of a pallet jack bearing assembly?
A: A bearing assembly in standard manual pallet jack service typically lasts 5 to 10 years depending on load frequency, floor conditions, and maintenance. Wet or contaminated environments reduce lifespan. Replace if you hear grinding noise or notice excessive resistance when pumping or rolling the jack.
Q: What wear symptoms indicate the 12MP28 bearing assembly needs replacement?
A: Replace the bearing assembly if you observe grinding, squealing, or rough resistance when rotating the load wheel or pump handle. Excessive play in the wheel or hard steering resistance also signals bearing wear. A damaged bearing reduces load stability and increases operator effort significantly.
Q: Are there equivalent part numbers or cross-references for the 12MP28?
A: Cross-reference information for the 12MP28 is limited in available data. Verify your pallet jack OEM part number and check manufacturer catalogs for equivalent bearing assemblies. Dimension and load rating confirmation is critical to ensure the replacement bearing performs correctly in your specific equipment application.
