3" x 1-1/4" Sintered Steel Wheel Swivel Brake Caster, 1/2"-13 x 1-1/2" Threaded Stem - 250 Lbs Capacity flanged-wheel 500 Hub Length (Plain Bore):

500 Hub Length (Plain Bore): 3-11/16" Inner Wheel Diameter: 7-3/4"

they can also operate while not on a track thanks to the tread on either side of the v-groove

and long-lasting performance

Wheel Durometer:Rockwell 74B Wheel Tread Shape:Crowned Temp Range: -40˚F to 800˚F Wheel Color:Red Weight:18

3" x 1-1/4" Sintered Steel Wheel Swivel Brake Caster, 1/2"-13 x 1-1/2" Threaded Stem - 250 Lbs Capacity flanged-wheel 500 Hub Length (Plain Bore):3" x 1 1 4" Sintered Steel Wheel Swivel Brake Caster, 1 2" 13 x 1 1 2" Threaded Stem Part # Q523022STLTLB Sintered steel wheels are made from super compressed powdered iron that provides a strong, durable, & cost effective solution for light to medium duty loads. While metal wheels are strong, they're tough on floors and could lead to floor damage. For heavy duty floor protective wheels, be sure to check out our polyurethane wheels. This caster