If you have a do-it-yourself attitude and an old trailer, grab the Bass Pro Shops Trailer Wheel Bearing Kit and replace your trailer's worn out bearings with ease. This trailer bearings kit from Bass Pro Shops includes new inner bearings, outer bearings, a double-lip grease seal, and a cotter pin. Inner and outer bearings have identification marks, so you'll know which is which. Replace trailer's worn out bearings with ease Do it yourself and save money Includes inner and outer bearings, grease seal, and cotter pin Bearings are clearly marked for ease of use