UFP Retainer Spindle Nut #42 6/8 Lug Air-Tight Rear Seal (AT-5300) has been added to your order form. Checkout View Order Form $0.75 Used With All UFP Spindles. UFP Retainer Spindle Nut quantity Add To Order Form SKU: 1991 Categories: Components, Hubs Related products UFP Seal For 1 1/16″ X 1 1/16″ Hub $2.95 Part #:2000 Used With The UFP 1 1/16" Front And Back Bearing Hub 2300Lbs. Add To Order Form 1″ Bearing L44643 $5.95 Part #:1603 1" Is The Measurement Of The Inner Diameter On The Bearing. L44643 Add To Order Form 1 3/4″ Bearing 25580 $15.95 Part #:1646 1 3/4" Is The Measurement Of The Inner Diameter On The Bearing. 25580 Add To Order Form 1 1/4″ Bearing LM67048 $9.95 Part #:2466 1 1/4" Is The Measurement Of The Inner Diameter On The Bearing. L67048 Add To Order Form