Silver Streak 285851 Spindle Assembly for John Deere GY21098, John Deere GY20962, John Deer Includes Grease Zerk, Pulley Lock Nut, Blade Lock Nut, and Washer Height: 7" OD: 5" Replaces: GY21098, GY20962, GY20867, GY20454 Fits many John Deere 100 Series Lawn Tractors and others Threads are un-tapped