Proven Part 2 Flat Free Solid Tires Front Caster Wheel 9x3.50-4 Fits Ferris 1521181 5021181

2 no flat tires 9x3.50x4 bearing 1/2" center hole hub width: 4 1/2" fits ferris: 1521181, 5021181 wheel bearing kit included for tire 9x3.50-4 roller bearing fits 5021182sm retainer bearing 5021043sm fits ferris hydrocut series 5900962 - fits kawasaki 16hp electric start w/ 32" mower deck (hc32kav16e) the width of the rim needs to match the width of the yoke on the mower in order for the tire to fit. the width for this tire 9x3.5-4 white = 4.5”.