1" ID Roller Bearing Kit (No Spanner Bushing) for 2-1/2" Wide Wheels Q322028STLTLB Their hard rolling surface performs

Their hard rolling surface performs best on smooth floors where maximum strength & minimal rolling resistance are required

it is the harshest wheel type for floors and could lead to floor damage

3/4" ID x 3-3/8" steel spanner

Swivel Construction: Double Ball Raceway - 5/8" Kingpin

Link to Matching Swivel Caster with Face Contact Brake: 146DUCT420SFCB

1" ID Roller Bearing Kit (No Spanner Bushing) for 2-1/2" Wide Wheels Q322028STLTLB Their hard rolling surface performs1" ID Roller Bearing Kit (No Spanner Bushing) for 2 1 2" Wide Wheels Part # LBL2 1 2 1 Roller bearings are one of the most popular bearings because of their strength, rollability, and economical price. This bearings kit includes two thrust washers with neoprene seals and 1" ID roller bearing. Designed to be used with 2 1 2" wide wheels with a 1 15 16" plain bore ID that have a 2 3 4" hub length. Temperature range dependent upon the wheel being used.