Heavy-Duty V-Idler / Exmark 1-603805Pack Size:1Exmark 1-603805, Exmark 603805, Toro 99-4638, Toro 1-603805J. Thomas TO-221, J. Thomas JT-272, NHC 276-9164, Oregon 78-005, Rotary 9772, Sunbelt EM-106, Sunbelt B1EM106Exmark 48" and 52" Turf Tracer hydro floating decksIdler E: 1/2 ", Idler F: 7/16 ", Idler H: N/A ", Idler K: 1 1/16 ", Made By: An OEM supplier, ID: 5/8 ", Material: Steel, Double row of bearings with double sealed sides, For standard applications, For explanation of letters please refer to the drawing by clicking on More Info, Idler C: 5/8 ", OD: 5 ", Height: 1 1/16 ", Idler A: 4 7/8 "