Heavy Service Dual-Wheel Rigid Caster with 8" x 2" Polyurethane (95A) on Cast Iron Wheels with 1/2" Sealed Precision Ball Bearings.
1/2" Sealed Precision ball bearings
Capacity per caster: 3,000 pounds
Wheel diameter: 6"
Number of wheels: 2
Top plate size: 4-1/2" x 6-1/2"
Bolt Hole 1: 3-3/8" x 5-1/4"
Bolt Hole 2: 2-3/8" x 4-15/16"
Bolt size: 1/2"
Mounting Height: 9-3/4"