STANDARD FEATURES:

• Swivel load bearing - this unique design forged swivel section with 3/8"dia. carbon steel balls in a 2 3/8"dia. raceway accommodates both thrust and load forces because of its kingpinless design; the swivel raceway is precision machined and induction hardened
• Finish in bright zinc plating
• Top plate and fork base are hot forged steel that has been induction hardened to ensure uniform depth of hardness in the swivel races
• Fork legs are 1/4" thick, 2" wide formed steel, with inside and outside welds for extra strength
• Wheel axle - 1/2"dia. axle, with lock nut
• Fork leg spacing - 2 1/2" width
• Lubrication fittings in swivel and wheel axle
• Swivel casters provided with 4-position swivel locks slots, for field installation
• Sealing cap welded to outer race assures protection from foreign material and keeps grease in the race area.
  Optional Features
• Swivel lock (field installed only)
• Side brake - 81 series brakes can be factory or field installed

Series 81SB casters are made from forged steel. Top plate and inner raceway are forged from one piece, providing a superior raceway construction for shock conditions. This forged design outperforms the standard steel plate welded to tubular steel inner races, especially in abusive and impact-loading conditions.