Axle Type: 2.375" Round 11 Gauge Galvanized Straight Spring Center: 74" With 5 Lug Pre - Greased Hubs Installed Load Rating: 3700 lbs. OAL: 95" Track Length: 89.5" Spindle Size: 1-3/8" x 1-1/16" Inner and Outer Bearing #L68149/ #L44649 Load Rite Trailer OEM Axle 6227.21 Used on Load Rite Pontoon Trailers (prior to 2018)