Item Type: Alternator Ball Bearing Material: Aluminum Alloy Inner Diameter: 0.669in/17mm Outer Diameter: 1.85in/47mm Width: 0.551in/14mm Bearing Type: Double sealed OE: 6303 2RS, 54700 Other OE: for J N 130-01020, 130-01095-10, 130-01095-162, 130-01128, 130-01128-10 for Denso 949100-1010, 949100-2820 Replacement for Ford F0JY10A303A for Hitachi 6303BM, 6303G, 6303TF INA 63032RS Package List 1 x Alternator Ball Bearing 1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks 1OE Number: For J N 13001020, 1300109510, 13001095162, 13001128, 1300112810, for Denso 9491001010, 9491002820; Replacement for Ford F0JY10A303A, etc. 2Dimensions: Alternator ball bearing, the inner diameter is 0.669in/17mm, outer diameter is 1.85in/47mm and the width is 0.551in/14mm. 3Powerful Support: Alternator ball bearing can play a stable support role and reduce the coefficient of friction during its movement. 4Rugged Construction: Alternator bearing is constructed of high strength aluminum alloy material, strong and durable, not easy to rust and break. 5Long Durability: This alternator bearing has been extensively tested for quality and safety performance and will last for a long time.