6" spring loaded Caster Wheel 661 Lbs - Brake PU - Cast iron core - Top Plate Mount Outer Diameter - 440mm the 7220BMU outer diameter is

the 7220BMU outer diameter is 180mm

NU215M Cylindrical Roller Bearing

🟢 Equal to 607-2R

NJ311EG Nachi Roller Bearing

6" spring loaded Caster Wheel 661 Lbs - Brake PU - Cast iron core - Top Plate Mount Outer Diameter - 440mm the 7220BMU outer diameter is6" Inch Caster Wheel 661 pounds Swivel and Upper Brake Polyurethane and Cast iron core Top Plate VXB013150WBCPUB Wheel Diameter= 150mm Wheel Width= 50mm Wheel Diameter= 6" Inch = 150mm Overall Height= 222mm Overall Height Inch= 8. 740" Mounting Type= Top Plate Top Plate Size= 140mm x 108mm Hole distance= 105mm x 75mm Wheel Core= Polyurethane and Cast iron core Tire= Polyurethane and Cast iron core Bearing type= Ball bearing Load Capacity= 661 lb