blog » Bearings

Learn when a trailer spindle may be reusable, which heat, bearing, seal, thread, alignment, and surface defects require professional inspection, and how to match BT8, #84, and #42 spindle families safely.

A practical trailer axle fitment checklist covering the axle tag, spindle journals, bearing and race numbers, grease seal dimensions, hub or brake-drum type, dust cap, and wheel bolt pattern—plus essential towing and load-rating safety notes.