Product Description
Bearing Cup Assembly Component
The IU BR-488 is the outer cup (outer race) of a roller bearing assembly designed for electric lift truck wheel applications. This direct replacement component mounts securely in the wheel hub to support bearing cone and rolling elements, providing reliable load support for electric pallet jacks, hand carts, and lift trucks from major manufacturers. Built for durability and precision fitment across Toyota, Crown, Raymond, Hyster, Linde, Jungheinrich, Mitsubishi, CAT, and BT equipment.
Frequently Asked Questions
Q: What is the IU BR-488 cup component used for in electric lift truck bearings?
A: The IU BR-488 is the outer cup (outer race) of a roller bearing assembly. It mounts in the wheel hub and supports the bearing cone and rolling elements on electric pallet jacks, hand carts, and lift trucks.
Q: Which electric lift truck models use the IU BR-488 bearing cup?
A: The IU BR-488 fits wheel and drive wheel assemblies on electric pallet jacks and lift trucks from Toyota, Crown, Raymond, Hyster, Linde, Jungheinrich, Mitsubishi, CAT, and BT brands. Confirm equipment model and wheel bore specifications for fitment.
Q: What is the outer diameter of the IU BR-488 bearing cup?
A: Cup outer diameter varies by model configuration, typically ranging from 52mm to 72mm. Verify your wheel hub bore specifications and matching cup dimensions before ordering to ensure proper press-fit assembly.
Q: How do I identify if the IU BR-488 bearing cup is worn or damaged?
A: Worn cups show: wheel noise during operation, increased radial play or wobble, rough or grinding rotation, or visible spalling (pitting) on the internal raceway. Any of these symptoms requires replacement of the complete bearing assembly.
Q: Can the IU BR-488 cup be used as a replacement for other bearing cup part numbers?
A: The IU BR-488 cup outer diameter and bore specifications must match the original cup exactly. Cross-compatible part numbers exist across brands if dimensions align. Verify OEM part numbers before substituting.
Q: What is the difference between the IU BR-488 and IU BR-103 bearing cups?
A: The IU BR-488 is designed for electric lift truck applications, while the IU BR-103 is used on manual pallet jacks. Dimensions, load ratings, and mounting configurations differ. Use only the cup specified for your equipment type.
