Product Description
BEARING CUP
Frequently Asked Questions
Q: What is the WM 10A693 bearing cup used for?
A: The WM 10A693 is a bearing cup (outer race) that is part of a tapered roller bearing assembly. Bearing cups work in pairs with bearing cones to support radial and axial loads in electric lift truck wheel hubs, load wheels, and caster assemblies.
Q: What is the bore and race width specification for this bearing cup?
A: The WM 10A693 is a bearing cup for electric lift truck wheel and caster assemblies. Confirm the exact bore diameter, outer diameter, race width, and bearing designation by consulting your equipment manual or wheel hub documentation. These specifications ensure proper fit and correct load rating for your equipment.
Q: Which electric lift truck models use the WM 10A693?
A: The WM 10A693 bearing cup is used in electric lift truck wheel and caster assemblies from Crown, Toyota, Raymond, Yale, Hyster, Jungheinrich, Linde, Clark, Mitsubishi, CAT, and BT. Verify compatibility with your specific equipment model and serial number before ordering.
Q: Why must the WM 10A693 cup be replaced with its matching bearing cone?
A: Bearing cups and cones are wear-matched pairs. Both races are ground and hardened together as a set. Replacing only the cup without its matching cone (typically WM 10A574 or similar) causes premature failure because the races are not properly aligned and hardness matched. Always replace the cup with its corresponding bearing cone as a complete bearing assembly.
Q: How long does the WM 10A693 bearing cup last?
A: Bearing cup lifespan depends on load conditions, lubrication, and floor surface. In normal warehouse use, tapered roller bearing assemblies last 3 to 6 years. Replace the bearing cup if you notice grinding noise, wheel wobbling, or increased friction. Bearing failure may occur suddenly if proper lubrication is not maintained or if the mating cone becomes damaged.
Q: Are there equivalent bearing cup part numbers for the WM 10A693?
A: The WM 10A693 is a house brand bearing cup part number. OEM bearing cup equivalents exist from Crown, Toyota, Raymond, Yale, Hyster, and other manufacturers under their own part numbering systems. Bearing cups are also cataloged by bearing manufacturer (such as Timken, FAG, or NSK) and bearing designation number. Contact our parts team with your equipment model and serial number for compatible cross-reference bearing assemblies.