National 35X52X10 multi-purpose seal, an industrial seal sized 35 x 52 x 10, which is 1.378 x 2.047 x 0.394 inches. The size code gives the shaft, outside diameter and width, so you can match it to your measurements. A genuine National part from Pro Gear and Transmission.FeaturesNational 35X52X10 multi-purpose sealIndustrial seal size 35 x 52 x 10Inch size 1.378 x 2.047 x 0.394Genuine National partTech SpecsType: Multi-purpose industrial sealSize code: 35 x 52 x 10Size (in.): 1.378 x 2.047 x 0.394