Replacement Round Stub Spindle · 3,500 lb · 2" Diameter × 4" Shaft

Part Number: R40484-KIT

This listing is for a standard round stub spindle used on many 3,500 lb trailer axles. It is a non-flanged, non-EZ-Lube spindle intended for idler hub applications or custom axle fabrication.

The spindle is supplied with essential end hardware for hub retention. Bearings, seals, hubs, and grease are not included.

Features

• Designed for standard 3,500 lb trailer axles
• Round stub spindle — weld-on installation
• Non-flanged (idler hub applications)
• No grease zerk or internal lubrication channel
• Compatible with common 3.5k idler hubs when matched correctly

Specifications

Kit Includes

• 1 × Round stub spindle (R40484)
• 1 × Castle nut (FA-SN100)
• 1 × Spindle washer (SW1000)
• 1 × Cotter pin (165649)

This spindle does not include bearings, races, seals, hub, or grease. Always verify spindle dimensions, hub compatibility, and bearing sizes before welding or installation.