Bearing Assembly

Frequently Asked Questions

Q: What does the Z designation mean on the AK6204Z bearing?
A: The Z designation indicates the bearing has a single metal shield on one side. Unlike sealed bearings, single shield designs allow grease migration, making them suitable for open-frame applications where relubrication is accessible.

Q: Which pallet jack brands use the AK6204Z bearing?
A: The AK6204Z fits manual and electric pallet jacks from Crown, Toyota, Raymond, Yale, Hyster, Jungheinrich, and Linde. Confirm the bearing bore, outside diameter, and width match your equipment before ordering.

Q: Is the AK6204Z suitable for cold storage applications?
A: The single shield design of the AK6204Z provides less environmental protection than sealed bearings. For cold storage use, a sealed bearing like the AK6204-2RS is preferred as it better resists moisture and grease hardening at low temperatures.

Q: How often does the AK6204Z bearing require maintenance?
A: The AK6204Z single shield bearing should be inspected quarterly in high-use environments. Relubricate as needed and check for contamination at the shield opening. Sealed bearings require less frequent maintenance.

Q: What is the typical replacement interval for the AK6204Z?
A: Under normal conditions, expect 2 to 4 years of service. Single shield bearings may fail sooner in wet or dusty environments due to reduced protection. Monitor rotation smoothness and replace if you detect grinding or resistance.