Precise Fit for #D42 Tapered Spindles:Perfectly compatible with 5200-6000 lbs trailers equipped with 1.25''-1.75'' tapered axles and #D42 spindles. Critical Note: Designed for tapered spindles only (not straight spindles). Confirm your bearings are 25580/15123 and dust cap outer diameter 2.44'' for seamless installation.
2-in-1 Grease Seals: No More Size Worries:Solves the common hassle of mismatched seals! Each kit includes two essential grease seal sizes: 21333TB (10-10, I.D 2.125'') and 22333TB (10-36, I.D 2.250''). Covers all #D42 spindle seal needs—no extra purchases required.
44-Piece Pack:4 full sets with every part you need: 4x 25580 bearings + 4x 25520 races, 4x 15123 bearings + 4x 15245 races, 4 of each grease seal, 4 spindle nuts, 4 washers, 4 cotter pins, 4 dust caps, and 4 rubber plugs. Ideal for full repairs, replacements, or spare parts storage.
Protected Shipping & Organized Storage:Industrial-grade packaging ensures parts arrive intact: Sturdy cardboard box with bubble wrap lining, plus individual PE bags for bearings and seals. All components are neatly sorted to prevent scratches, deformation, or loss during transit and storage.
Heavy-Duty Durability & Anti-Rust Performance:Crafted from premium steel and rubber for long-lasting reliability. High-precision bearings reduce friction and noise; double-lip grease seals ensure zero leaks. Zinc-plated dust caps resist corrosion and rust, while rugged construction handles heavy loads—built to extend your trailer's service life.