ATHENA Needle Bearing 30x38x18 mm - MTB300380180 Description Athena needle bearings attach to the gudgeon pin and their high quality enables less frequent maintenance at an excellent price-quality ratio. Some items are available silver-plated and are ideal for use in conditions of great rotational speed, high temperatures and sudden acceleration. Technical features Bearing Type KT Cage Treatment silver External Diameter (mm) 38.00 Height 18.00 Internal Diameter (mm) 30.00 Manufacturer ATHENA Vehicle Compatibility Honda CRF 250X 2004-2017 Suzuki RM-Z 250 2004-2019 Part No. 56-6347.ATH