Genuine, Toro OEM replacement Bearing Jackshaft.
ID: 1"
OD: 2.045"
Height .71
View Part in Diagram

Will fit on the following Exmark mowers:
44", 48" and 52" Lazer Z HP - S/N 370,000-439,999
52", 60" and 72" Lazer Z - S/N 370,000-439,999
60" and 72" Lazer Z XP - S/N 320,000-439,999
32", 36" and 48" Metro Five Speed - S/N 370,000-439,999
32", 36" and 48" Viking Hydro - S/N 370,000-439,999
36", 48" and 52" Turf Ranger with S/N 370,000-439,999;