PRODUCT DESCRIPTION Chinese Bearing - 6901-NS 12x24x6 This bearing is compatible with several makes and models of Chinese ATVs, dirt bikes, go karts, & scooters. Please check measurements for compatibility with your machine. Bearing details: ID: 12mm [.47"] OD: 24mm [.94"] Width: 6mm [.236"] No seals Bearing number: 6900 This bearing has NO seals and must be lubricated from an external source. Buy your order: https://www.chinesepartsmax.com/chinese-scooter-parts/scooter-bearings/scooter-bearing?product_id=11098