Product Description
Cup, bearing
Frequently Asked Questions
Q: What is the SY42238 bearing cup designed for?
A: The SY42238 bearing cup is the outer race of a tapered roller bearing assembly used in electric lift truck wheel and load wheel axles. It is part of the load-bearing support system that handles the equipment weight and lifted loads.
Q: Which electric lift truck models use the SY42238 bearing cup?
A: The SY42238 bearing cup is compatible with electric lift trucks from Crown, Toyota, Raymond, Yale, Hyster, Jungheinrich, and other OEM manufacturers. Verify your truck model year and axle assembly against OEM part numbers to confirm compatibility.
Q: What are the specifications and dimensions of the SY42238 bearing cup?
A: The SY42238 bearing cup has a defined outer diameter for press-fit installation in the truck frame, an inner bore diameter for the rolling elements, and a specified width. Check your existing bearing cup or truck maintenance manual for exact measurements before ordering.
Q: Must the SY42238 bearing cup be replaced with a matching bearing cone?
A: Yes. The SY42238 bearing cup must be replaced as a matched pair with its corresponding bearing cone. Mismatched bearing components will cause premature wear, noise, and potential wheel failure under electric truck loads.
Q: What material is the SY42238 bearing cup made from?
A: The SY42238 bearing cup is made from hardened alloy steel with precision-ground races. The material composition supports heavy radial and axial loads typical of electric lift truck service with minimal deflection.
Q: How often should the SY42238 bearing cup be serviced?
A: Service intervals depend on truck duty and usage hours. Apply bearing grease per manufacturer guidelines, typically every 250-500 operating hours. Monitor for wheel play or grinding sounds and replace the bearing cup and cone if detected during regular truck inspections.