Zinc plated double ball bearing light-medium duty caster. This series comes with a 1/2" kingpin and a wide selection of wheel types. Non-marking thermoplastic rubber tread is mechanically bonded to a polyolefin core, and is great for clean environments. It is a light weight wheel with good capacity. Is highly resistant to oil, grease, water and most solvents. This wheel has great floor debris deflection with smooth quiet rolling. wheel diameter: | 4" | capacity: | 300 | wheel material: | Thermoplastic rubber on Polyolefin core | caster type: | Swivel | bearing: | Precision ball bearing | category: | Plate | tread width: | 1-1/4" | overall height: | 5-1/8" | swivel radius: | 3-1/2" | overall plate/stem: | 2-3/8" x 3-5/8" | bolt holes: | 1-3/4" x 2-7/8" to 3" & centered x .238 | mounting bolt: | 5/16" | durometer: | 70 (-+5) shore (A) | temperature range: | -45 deg to 180 deg F | option: | Top Lock Brake |
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