* Adapters with a C1 dimension use a lockplate as the locking device as shown in the illustration; otherwise, a lockwasher is used as the locking device.
The chart below shows dimensions for adapter assemblies and components used in the tapered bore bearings on shafts. Components are ordered seperately.
HMVC - 10 through HMVC - 64 have American National Threads Class 3.
HMVC - 68 through HMVC - 190 have Acme General Purpose Threads Class 3G.
Note: Speed ratings are found in dimension tables in the spherical roller bearing section.