Manufactured Lean in the USA
Select 'Swivel Caster' or 'Rigid Caster' then click on desired model number to see more details.
Nominal Diameter
Nominal DiameterTire SizeBearing TypeModel NumberMSRPLoad Capacity (lbs.)Overall HeightWeightMounting Plate
104 x 6TaperedS-7710-SPRT$668200012 14474 1/2 x 6 1/2
122 x 8TaperedS-7712-SPRT$1,035240015 12886 1/8 x 7 1/2
143 x 8TaperedS-7714-SPRT$1,528300017 381148 1/2 x 8 1/2
164 x 8TaperedS-7716-SPRT$1,394480018 381708 1/2 x 8 1/2
185 x 8TaperedS-7718-SPRT$1,873660020 582458 1/2 x 8 1/2
216 x 9TaperedS-7721-SPRT$1,944840024 122808 1/2 x 8 1/2

Hamilton HPI™ Technology

Hamilton Precision Integrated

The Dual Wheel Ground Support 7700 Series features Hamilton’s Precision Integrated HPI™ Swivel Technology. The new technology outperforms conventional CNC-machined ball raceways, kingpinless, and unit load bearing swivel constructions.