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For the best in mini bike 3/8 in bearings check out the wide range of stocks at OMB Warehouse. These bearings are sourced from top brands in this field. 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, 3/8 in, 1", 1-1/4", 1/2", 3/4", 7/8", and others. Check out our best seller, the 5/8 x 1-3/8 x .433 Inch Ball Bearings with Snap Ring for Mini Bike (10 Pack). These mini bike 3/8 in bearings are made of high quality bearing steel for long service life, with polished smooth surface, high efficiency and low noise. The sealed Bearings with small friction and high-limit speed Ball Bearings are cost-effective and require little maintenance. The Ball bearing has uniform hardness and wear resistance, high temperature resistance, and double shield to avoid contaminants entering apart from lubricants. All our mini bike 3/8 in bearings are manufactured from high quality steel with double seal, pre-lubricated/greased from the manufacturer, low friction coefficient and stable performance. The bearing internal clearance is slightly larger to compensate for thermal expansion; A double seal helps to save grease and effectively protect grease from impurities.