Spindles and pulleys work together to rotate the mower blades for an even cut. The triple sealed maintenance free bearing prevents impurities from entering the ball bearing. It does not require lubrication so the spindle is consistently working smoothly. Fits Cub Cadet Zero-Turn Mowers with 60 in. Dia pulley with protective coating to prevent rust with a 4 point star spindle shaft. Maintenance-free spindle with triple sealed bearings helps your work go quickly, consistently and smoothly. Factory tested and approved to provide the perfect fit, strength, durability and performance. Designed by engineers using high-quality materials for superior strength and durability. Refer to the parts list label under the rider hood or under the zero-turn seat mounting bracket for original equipment parts. Zero-turn seat will need to be pivoted forward for visibility of the parts list label. For detailed installation instructions, please refer to your operator’s manual. Select Cub Cadet RZT’s with 60 in. Used with Equipment Type. We will respond to you within 24 hours and do our best to help you out! 100% Satisfaction is guaranteed on everything we sell.