Toro 136-4190 Front Caster Wheel Bearing Rebuild Kit

This front caster wheel bearing rebuild kit is engineered for 13x6.50-6 wheel assemblies used on commercial zero-turn mowers. The kit contains two ball bearings with snap rings, two felt washer grease seals or spring-loaded seals, and necessary spacers to service one caster wheel. Bearings are manufactured from GCr15 bearing steel for high load capacity and resistance to contamination. Upgraded kits feature 304 stainless steel axle sleeves and spring-loaded seals for enhanced debris exclusion and corrosion resistance. Designed to replace OEM bearing and seal sets on Toro and Exmark zero-turn platforms with 3/4-inch, 5/8-inch, or 1/2-inch axle bores via included bushings. Hub length compatibility ranges from 4.0 to 7.9 inches centered. Load rating meets or exceeds 400-500 lbs dynamic capacity per wheel. Direct interchange for Toro OEM 136-4190, 136-5590, 109-9127, 109-9125, 103-0065, 103-5188, 126-5361, 1-633584, 1-633585, 140-4896, 145-0489 and Exmark equivalents.