• Swivel load bearing - independent 7" dia. precision hardened thrust bearing unit in top plate and yoke base with full completment of steel balls running in this casters unique machined cage that keeps balls properly aligned and provides superior swiveling ability and long life; top plate skirt design protects bearing from contamination
• Secondary load bearing - 1 1/4" precision tapered roller bearing
• Finished in matte black paint
• Top plate: 1" thick, high strength steel with integral king bolt, precision machined; rigid caster top plate is 5/8" thick
• King pin: 1 1/4" dia. king bolt is integral with top plate, precision machined and equipped with slotted nut for precise adjustment
• Fork legs 1/2" thick, 3 1/2" wide steel, welded inside and out for extra strength 

  DW 8-151-730

  
  
• Axle and wheel bearing - straight roller bearings 1 1/4 I.D. rolls on hardened and ground spanner bushings, tapered roller bearings 1" dia. run directly on 1" axle fitted with slotted nut for precise alignment of tapered bearings
• Fork leg spacing - 3 1/2" 
• Lubrication fittings in swivel and wheel

OPTIONAL FEATURES: 
• 4-position swivel lock, factory installed
• Wheel brake - factory-installed thumb screw type

Series DW151 casters are designed for extreme heavy duty applications; these casters offer better floor loading distribution than single wheel casters.