One Way Needle Roller Bearing Shell Type HF0612 Needle Roller Bearing Shell Type HF0812, this is a popular size that could be used in many application that uses this size 6mm x 10mm x 12mm. * Item: HF0612 Roller Bearing * Type: Needle Roller Bearing * Inside Diameter: 6mm * Outside Diameter: 10mm * length: 12mm * Size: 6 x 10 x 12 mm * Quantity: One Bearing * BMT GAS * FITS: ADVANCED ROLLER CLUTHCH BEARING * FITS: SERPENT 9000 FRONT DRIVE AXLE * FITS: SERPENT EXCEL(1:8) 4WD