Service Caster Series #30 swivel caster with brake and v-groove semi steel (cast) wheel.
Wheel size: 5" x 2"
Capacity: 1,100 lbs
Top plate size: 4" x 4-1/2"
Bolt hole dimensions: 2-5/8" x 3-5/8" to 3" x 3"
Bolt size: 3/8" (hardware not included)
Mounting Height: 6-1/2"
Wheel rotates on roller bearing (Use for manual speeds; 3 mph.)
V-groove wheel designed to roll on 45 degree track angled track. Also has a flat face suitable for non-tracked use.