Wheel
                    Size 
                    (Dia x width) | 
                  Wheel
                    Type | 
                  Bearing
                    Type | 
                  Load
                    Cap. Lbs..  | 
                  Overall
                    Height +/- 1/8”  | 
                  SWIVEL | 
                  RIGID | 
                
                
                  | Part # | 
                  Part # | 
                
                
                  | 3"
                    x 1.25" | 
                  Caster Only 
                    Hard Rubber 
                    Hard Rubber 
                    Grey Rubber 
                    Polyolefin 
                    Polyolefin 
                    Poly-Poly 
                    Solid Poly 
                    Soft Rubber 
                    Soft Rubber 
                    Semi Steel | 
                   None 
                    Self Lube 
                    Ball 
                    Ball 
                    Plain Bore 
                    Ball 
                    Ball 
                    Delrin 
                    Self Lube 
                    Ball 
                    Plain  | 
                   300 
                    210 
                    250 
                    175 
                    220 
                    300 
                    275 
                    250 
                    125 
                    200 
                    300  | 
                  4" 
                    tall | 
                  02-HO-0320NPS 
                    02-HR-0320SLS 
                    02-HR-0320BBS 
                    02-GRP-0320BBS 
                    02-PO-0320PBS 
                    02-PO-0320BBS 
                    02-PP-0320BBS 
                    02-SP-0320DLS 
                    02-SR-0320SLS 
                    02-SR-0320BBS 
                    02-SS-0320PBS | 
                  02-HO-0320NPR 
                    02-HR-0320SLR 
                    02-HR-0320BBR 
                    02-GRP-0320BBR 
                    02-PO-0320PBR 
                    02-PO-0320BBR 
                    02-PP-0320BBR 
                    02-SP-0320DLR 
                    02-SR-0320SLR 
                    02-SR-0320BBR 
                    02-SS-0320PBR  | 
                
                
                  | 3.5"
                    x 1.25" | 
                  Hard Rubber 
                    Poly-Poly 
                    Polyolefin 
                    Rubber-Poly 
                    Rubber-Alum 
                    Soft Rubber  | 
                   Self Lube 
                    Ball 
                    Ball 
                    Ball 
                    Ball 
                    Self Lube  | 
                   275 
                    275 
                    275 
                    220 
                    225 
                    200  | 
                  4
                    3/4" 
                    tall | 
                  02-HR-3420SLS 
                    02-HR-3420BBS 
                    02-PO-3420BBS 
                    02-RP-3420BBS 
                    02-RA-3420BBS 
                    02-SR-3420SLS  | 
                   02-HR-3420SLR 
                    02-HR-3420BBR 
                    02-PO-3420BBR 
                    02-RP-3420BBR 
                    02-RA-3420BBR 
                    02-SR-3420SLR  | 
                
                
                  | 4"x
                    1.25" | 
                  Caster Only 
                    Hard Rubber 
                    Hard Rubber 
                    Phenolic 
                    Polyolefin 
                    Poly-Poly 
                    Rubber-Poly 
                    Rubber-Alum 
                    Soft Rubber 
                    Solid Poly  | 
                   None 
                    Self Lube 
                    Ball 
                    Plain 
                    Plain 
                    Ball 
                    Ball 
                    Ball 
                    Self Lube 
                    Delrin  | 
                   300 
                    275 
                    300 
                    300 
                    275 
                    275 
                    240 
                    250 
                    200 
                    270  | 
                  5" 
                    tall | 
                  02-HO-0420NPS 
                    02-HR-0420SLS 
                    02-HR-0420BBS 
                    02-PH-0420PBS 
                    02-PO-0420PBS 
                    02-PP-0420BBS 
                    02-RP-0420BBS 
                    02-RA-0420BBS 
                    02-SR-0420SLS 
                    02-SP-0420DLS  | 
                   02-HO-0420NPR 
                    02-HR-0420SLR 
                    02-HR-0420BBR 
                    02-PH-0420PBR 
                    02-PO-0420PBR 
                    02-PP-0420BBR 
                    02-RP-0420BBR 
                    02-RA-0420BBR 
                    02-SR-0420SLR 
                    02-SP-0420DLR  | 
                
                
                  | 5"x
                    1.25" | 
                  Caster Only 
                    Hard Rubber 
                    Hard Rubber 
                    Grey Rubber 
                    Phenolic 
                    Polyolefin 
                    Polyolefin 
                    Poly-Poly 
                    Rubber-Poly 
                    Rubber-Alum 
                    Soft Rubber 
                    Soft Rubber 
                    Solid Poly  | 
                   None 
                    Self Lube 
                    Ball 
                    Ball 
                    Plain 
                    Plain 
                    Ball 
                    Ball 
                    Ball 
                    Ball 
                    Self Lube 
                    Ball 
                    Delrin  | 
                   300 
                    275 
                    300 
                    225 
                    300 
                    270 
                    300 
                    300 
                    275 
                    250 
                    220 
                    250 
                    290  | 
                  6
                    1/8" 
                    tall | 
                  02-HO-0520NPS 
                    02-HR-0520SLS 
                    02-HR-0520BBS 
                    02-GRP-052BBS 
                    02-PH-0520PBS 
                    02-PO-0520PBS 
                    02-PO-0520BBS 
                    02-PP-0520BBS 
                    02-RP-0520BBS 
                    02-RA-0520BBS 
                    02-SR-0520SLS 
                    02-SR-0520BBS 
                    02-SP-0520DLS  | 
                   02-HO-0520NPR 
                    02-HR-0520SLS 
                    02-HR-0520BBS 
                    02-GRP-0520BBS 
                    02-PH-0520DLS 
                    02-PO-0520PBR 
                    02-PO-0520BBR 
                    02-PP-0520BBR 
                    02-RP-0520BBR 
                    02-RA-0520BBR 
                    02-SR-0520SLR 
                    02-SR-0520BBR 
                    02-SP-0520DLR  |