42528, SKF Seal, 4.2500 in. Shaft, 5.5010 in OD, 0.4375 in Width, 

CRWH1 Design, Single Lip with Spring, 4.2500 in Shaft, 5.5010 in OD, 0.4375 in Width, Nitrile, CRWH1

• Metal Cased With Heavy Duty Inner Case
• Spring-Loaded
• Single-Lip Seal With Industry-Leading Hydrodynamic Waveseal.