wheel diameter | wheel width | wheel material | load capacity | bearing type | overall height | swivel lead | swivel caster |
5in | 2in | Mold on rubber | 450lbs | roller bearing | 6-1/2in | 1-2/7in | SCMO52 |
6in | 2in | Mold on rubber | 550lbs | roller bearing | 79-1/2in | 1-5/8in | SCMO62 |
8in | 2in | Mold on rubber | 600lbs | roller bearing | 9-1/2in | 2in | SCMO82 |