Product Description
RACE, INNER
Frequently Asked Questions
Q: What is the YL 620398400 race, inner used for?
A: The YL 620398400 is an inner bearing race component used in wheel hub assemblies and drive wheel gearboxes on Yale and Hyster electric lift trucks. It provides the raceway surface for rolling bearings.
Q: Which lift truck models use the YL 620398400 inner race?
A: This inner race is compatible with various Yale electric pallet trucks and Hyster electric models. Confirm the exact truck model, serial range, and bearing assembly location before ordering.
Q: What material is the YL 620398400 race made from?
A: Bearing races are typically manufactured from hardened steel to withstand rolling contact stress and load cycling. The YL 620398400 follows OEM material specifications for strength and wear resistance.
Q: How do I know if the YL 620398400 bearing race needs replacement?
A: Replace the inner race if you observe wheel wobble, grinding or squealing from the wheel assembly, or increased drag during operation. Spalling or visible damage on the race surface indicates failure.
Q: What is the service life of bearing races in lift truck wheels?
A: Bearing races typically last 4 to 8 years depending on load, operating hours, maintenance, and environmental conditions. Replace immediately if spalling, pitting, or noise occurs to prevent bearing failure and load loss.
