Product Description
Bushing
Frequently Asked Questions
Q: What is the HY 639277 bushing used for?
A: The HY 639277 is a replacement bushing for Hyster electric lift trucks. Bushings reduce friction and wear at pivot points, steering linkage joints, and other articulating connections.
Q: What material is the HY 639277 bushing made from?
A: Hyster bushings are typically made from bronze, rubber-bonded fabric, or composite materials depending on application. Material selection affects load capacity, temperature resistance, and wear rate.
Q: How do I know when the HY 639277 bushing needs replacement?
A: Replace the bushing when you notice excessive play or looseness at the joint, grinding or squeaking noises during steering or load movement, or visible wear and damage to the bushing surface.
Q: What is the bore diameter and outer diameter of the HY 639277?
A: Bushing dimensions vary by truck model and application. Verify the bore size, outer diameter, and length from your Hyster parts manual before ordering the HY 639277.
Q: Can the HY 639277 bushing be used on other lift truck brands?
A: The HY 639277 is engineered for Hyster equipment. Do not install on Crown, Toyota, Raymond, or other brands unless the bushing dimensions and press specifications match your truck design.
Q: What is the expected lifespan of the HY 639277 bushing?
A: Bushing lifespan depends on load cycles, lubrication condition, and operating environment. Most material handling bushings last 2 to 5 years under normal indoor warehouse conditions before wear becomes noticeable.