517813808

Frequently Asked Questions

Q: What is the specification of bearing assembly 517813808?
A: Bearing assembly 517813808 is a precision sealed bearing designed for manual pallet jack load wheel hubs. It features metric dimensions of 20 mm bore by 47 mm outside diameter by 14 mm width. The bearing is constructed from high-carbon chromium steel and equipped with dual rubber contact seals for maintenance-free operation.

Q: What equipment is bearing assembly 517813808 compatible with?
A: This bearing assembly fits load and steering wheel applications on manual pallet trucks from Crown, Toyota, Raymond, Yale, and Hyster that use the 20 x 47 x 14 mm metric bearing bore specification. Verify your wheel hub bore dimensions before ordering to confirm compatibility.

Q: Why does bearing assembly 517813808 have dual rubber seals?
A: The dual rubber contact seals provide double protection against dirt, moisture, and contamination entering the bearing races. This sealed design extends bearing life in wet or dirty warehouse environments and reduces the need for repacking or maintenance compared to open bearing designs.

Q: What maintenance does bearing assembly 517813808 require?
A: The sealed design means no lubrication or repacking is required during normal service. However, periodically inspect for unusual noise, grinding sounds, or rough rotation, which indicate internal wear. Replace the bearing assembly if these symptoms occur or if the seals are damaged.

Q: Is bearing assembly 517813808 available under other part numbers?
A: SKU 517813808 is the manufacturer part number for this precision sealed bearing assembly. When comparing alternatives, ensure they specify the same 20 x 47 x 14 mm dimensions, high-carbon chromium steel construction, and dual rubber seal design. Superior brand precision bearings with matching specifications may be cross-compatible alternatives.