The source lists the lock or brake configuration as Dual Petal Lock Brake
25 Bushels Model Number 100T58/D7 Overall Height 66
Tip: SST tip
Brand Lincoln Industrial Model / MPN 619-27474-1 Maximum # of Outlets 8 Cycle Indicator Pin Yes Dimension A 2
Wheel Diameter 3" Tread Width 1-1/4" Tread Type Polyurethane Elastomer Core Type Aluminum Bearing Type Annular Ball Bearing Wheel Color Blue/Silver Overall Height 4" Swivel Radius 3" Adapter Size - 3/4" Tube Inner Diameter (0
12" x 2-1/2" Polyon- Cast Wheel Swivel Caster- 7000 Lbs. Capacity Fixed / Rigid The source lists the lockProduct Overview The cast iron wheel with poly tread can be used in most heavy duty applications. Tread: Polyurethane tread chemically bonded to core This caster is listed with wheel diameter 12", tread width 2 1 2", load capacity 7000 Lbs., tread type Polyurethane, and bearing type Roller Bearing. Before ordering, verify the listed wheel dimensions, load capacity, bore or bearing, hub length, material, temperature range, and any mounting requirements