1.9" O.D. x 9 gauge plain steel roller with 7/16" hex steel spring retained shaft and light oil bearings.
Construction:
Tube: 1.9" O.D. x 9 ga. plain steel
Axle: 7/16" hex steel
Bearing: Commercial Light oil, swaged
Axle Retention: Spring retained
Weight: .30 + (.28 x BF)
Shaft Length: BF+1-9/16"