With Bearings (left)
RP17H 17 1/2" rolling surface x 3.25" diameter
RP14H 14 1/2" rolling surface x 3.25" diameter
RP12H 12 1/2" rolling surface x 3.25" diameter
RP10 10” rolling surface x 2.25” diameter
Without Bearings (below)
RP24 16.75” rolling surface x 3” diameter
RP30 22.5” rolling surface x 3” diameter