2-5/8" O.D. x 7 gauge plain steel roller with 11/16" hex steel spring retained shaft and light oil bearings.
Construction:
Tube: 2-5/8" O.D. x 7 ga. plain steel
Axle: 11/16" hex steel
Bearing: Commercial Light oil, swaged
Axle Retention: Spring retained
Weight: .93 + (.51 x BF)
Shaft Length: BF+1-3/4"