3-1/2" x 1-1/4" Total Lock Swivel Caster Rig with 2-3/8" x 3-5/8" Top Plate - 350 Lbs Capacity

3-1/2" x 1-1/4" Total Lock Swivel Caster Rig with 2-3/8" x 3-5/8" Top Plate - Part # 8GT35120ZN The rig is designed for 3-1/2" diameter wheels that have a 1-1/4" wide tread and can accommodate hub lengths up to 1-5/8". With a 3-1/2" diameter wheel, the rig produces an overall height of 4-5/8". Specifications: Load Capacity (lbs.): 350 Mounting Plate: 2-3/8" x 3-5/8" Designed for Wheel Diameter of: 3-1/2" Bolt Hole Pattern: 1-3/4" x 2-7/8" slotted to 3" Designed for Tread Width of: 1-1/4" Mounting Bolt Size: 5/16" or Smaller Wheel Hub Length: Up to 1-5/8" Swivel Radius: 3-3/16" Overall Height (with wheel): 4-1/2" Swivel Construction: Double Ball Raceway Axle Size: 3/8" Caster Rig Material Type: Cold Rolled Steel Link to Matching Rigid Caster: Q5235R01YAN Caster Rig Color/Finish: Bright Zinc Plated Leg Thickness: 0.1" Weight (lbs): 1.2   Popular Wheels for this rig: Capacity is the lower of the rig or wheel QSTL3514 3-1/2" Semi-Steel wheel QHR35G3 3-1/2" Hard Rubber wheel  QMIR35G3 3-1/2" Thermoplastic Rubber wheel  QPLY35J3 3-1/2" Polyurethane wheel