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OMB Warehouse stocks the largest collection of mini bike ¾ in bearings, all precision ground and made from hardened components for heavy duty applications. Our selection of bearings includes spindle bearings, bearing cassettes, wheel bearings, needle bearings, hub bearings, and even axle bearings. Sizes include 10mm, 15mm, 17mm, 20mm, 25mm, 30mm, 40mm, 50mm, 60mm, 5/8 in, 3/8 in, 7/16 in, 1", 1-1/4", 1/2", 3/4", 7/8", and others. Mini bike ¾ in bearings, as well as all other bearings that fit various makes and models of mini bikes, are all an essential part and mechanics of a mini bike. Each bearing is complete with 2 drilled and tapped set screw hole locations for maximum grip on the axle. A complete set of mini bike ¾ in bearings consists of 2 front and 2 rear wheel bearings. One of our top products is the Live Axle Bearing Kit with 2 Hole Flangette for 3/4" Standard Axle and has every component needed to assemble a live axle to your frame. The bearing hangers are designed to accept the two hole bearing flangettes for 3/4" axle bearings with integral locking collars. For very long axles, an additional bearing and hanger may be needed.