Series MDD Maxi-Duty Dual Wheel Casters

Description

FOB: Midwest WarehouseIn stock

• Swivel Construction — 5/8″ thick drop forged steel mounting plate (rigid plate 1/2″ thick); outer legs 3/8″ x 5″ plate steel continuously welded inside and outside to forged steel horn base (center leg 3/8″ x 2″).
• Kingpin — 1-1/4″ diameter integrally forged with mounting plate guaranteed for life, prevents bending or breaking; threaded for 1-1/4″ slotted nut secured by roll pin for positive locking.
• Main Load Bearing — Hamilton Precision Intergrated HPI thrust bearing with outside diameter of 7-1/2″; raceways hardened to 58-62HRC and ground to surface finish 16 micro inches.
• Secondary Load Bearing — 1-1/4″ precision tapered thrust bearing counteracts radial thrust.
• Axle — 1-1/4″ diameter grade 5 hex head with slotted nut and cotter pin.
• Lubricated Fittings — Ball-check type in swivel assembly and in wheel hubs with tapered or straight roller bearings.
• Top plate: 8-1/2″ x 8-1/2″, bolt hole spacing: 7″ x 7″, mounting bolt hole: 11/16″.

Featured Wheel Bearings:Precision Tapered Roller Bearings – best for most severe heavy duty and power-towed applications.