51103 Thrust Ball Bearing 17mm x 30mm x 9mm One Bearing 51103 Thrust Ball bearing, this is a popular size that could be used in many application that uses this size 17mm x 30mm x 9mm. Thrust bearing is known to high axial or Vertical loads.Bearing is made of Chrome Steel. * Item: 51103 Ball Bearing * Type: Thrust Ball Bearing * Dimensions: 17mm x 30mm x 9mm/Metric * ID (inner diameter)/Bore: 17mm * OD (outer diameter): 30mm * Width/Height/thickness: 9mm * Size: 17 x 30 x 9mm * Dynamic load rating Ca: 10,800 N * Static load rating Coa: 18,200 N * Limiting Speed: * Grease Lubrication: 6,000 RPM * Oil Lubrication: 9,100 RPM * Quantity: One Bearing