Series MDD Maxi-Duty Dual Wheel Casters

FOB: Midwest Warehouse
In 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.