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White and black Polyolefin Caster Wheels are crafted through injection molding, creating a one-piece, solid, and hygienic design. These wheels excel in wet and corrosive settings, displaying exceptional resistance to a wide range of liquids, acids, and bases.
Their suitability for dairy farms is particularly noteworthy, as they withstand the harsh effects of caustic cow manure, outlasting many other wheel types in this demanding agricultural environment.
Please note this is only a recommendation for a product we think will be your best option. It may not fit exactly what you are looking for so if you are unsure, please call us at: 800-501-3808 and you can speak with one of our excellent sales technicians.
Desktop: When you put your mouse over the words in the wheel description column you see a picture of the wheel. Click on the part number in the Swivel and Rigid columns to see the complete caster.
Mobile: Hold down your finger on the chart and scroll to the right to click on the part number you would like to order.
| CASTER WHEEL DIAM. | TREAD WIDTH | WHEEL TREAD MATERIAL Click below for Replacement Wheels | MAX CAP. EACH CASTER LBS. | SWIVEL CASTER Part Number | APPROX SWIVEL WEIGHT (LBS) | APPROX SWIVEL RADIUS | OVERALL HEIGHT |
|---|---|---|---|---|---|---|---|
| 3″ | 1 1/4″ | Gray Soft Rubber | 150 | SS-K3RF3X | 2 1/4 | 2 7/8″ | 4 1/16″ |
| 3″ | 1 1/4″ | High Capacity Soft Gray Rubber | 300 | SS-K3RH3X | 1 1/2 | 2 7/8″ | 4 1/16″ |
| 3″ | 1 1/4″ | Gray Polyurethane | 200 | SS-K3GP3X | 2 1/4 | 2 7/8″ | 4 1/16″ |
| 3″ | 1 1/4″ | Black/Gray Polyurethane | 200 | SS-K3BK3X | 2 1/4 | 2 7/8″ | 4 1/16″ |
| 3″ | 1 1/4″ | Blue/Gray Polyurethane | 200 | SS-K3BP3X | 2 1/4 | 2 7/8″ | 4 1/16″ |
| 3″ | 1 1/4″ | Red/Gray Polyurethane | 200 | SS-K3RG3X | 2 1/4 | 2 7/8″ | 4 1/16″ |
| 3″ | 1 1/4″ | All Polyurethane | 250 | SS-K3AP3X | 2 1/4 | 2 7/8″ | 4 1/16″ |
| 3″ | 1 1/4″ | Phenolic | 250 | SS-K3TM3X | 2 1/4 | 2 7/8″ | 4 1/16″ |
| 3″ | 1 1/4″ | Polyolefin – Black | 250 | SS-K3PB3X | 2 1/4 | 2 7/8″ | 4 1/16″ |
| 3″ | 1 1/4″ | Polyolefin – White | 240 | SS-K3PW3X | 2 1/4 | 2 7/8″ | 4 1/16″ |
| 3″ | 1 1/4″ | Nylon ( White ) | 300 | SS-K3NY3X | 2 1/4 | 2 7/8″ | 4 1/16″ |
| 3″ | 1 1/4″ | High Temp Moist Heat – Fiberglass-Nylon | 250 | SS-K3NP3X | 2 1/4 | 2 7/8″ | 4 1/16″ |
| 3″ | 1 1/4″ | High Temp Phenolic – Fiberglass | 250 | SS-K3TP3X | 2 1/4 | 2 7/8″ | 4 1/16″ |
| 3″ | 1 1/4″ | Heavy Duty All Polyurethane | 300 | SS-K3APH3X | 2 1/4 | 2 7/8″ | 4 1/16″ |
| 3″ | 1 1/4″ | High Temp Moist Heat Polymer Retort | 325 | SS-K3RT3X | 2 1/4 | 2 7/8″ | 4 1/16″ |
| Edit CASTER WHEEL DIAM. | TREAD WIDTH | WHEEL TREAD MATERIAL Click below for Replacement Wheels | MAX CAP. EACH CASTER LBS. | SWIVEL CASTER Part Number | APPROX SWIVEL WEIGHT (LBS) | APPROX SWIVEL RADIUS | OVERALL HEIGHT |
|---|---|---|---|---|---|---|---|
| 4″ | 1 1/4″ | Gray Soft Rubber | 300 | SS-K3RH4X | 2 1/5 | 3 1/4″ | 5 1/8″ |
| 4″ | 1 1/4″ | High Capacity Soft Gray Rubber | 300 | SS-K3RH3X | 2 3/4 | 3 1/4″ | 5 1/8″ |
| 4″ | 1 1/4″ | Gray Polyurethane | 250 | SS-K3GP4X | 2 3/4 | 3 1/4″ | 5 1/8″ |
| 4″ | 1 1/4″ | Black/Gray Polyurethane | 250 | SS-K3BK4X | 2 3/4 | 3 1/4″ | 5 1/8″ |
| 4″ | 1 1/4″ | Blue/Gray Polyurethane | 250 | SS-K3BP4X | 2 3/4 | 3 1/4″ | 5 1/8″ |
| 4″ | 1 1/4″ | Red/Gray Polyurethane | 250 | SS-K3RG4X | 2 3/4 | 3 1/4″ | 5 1/8″ |
| 4″ | 1 1/4″ | All Polyurethane | 300 | SS-K3AP4X | 2 3/4 | 3 1/4″ | 5 1/8″ |
| 4″ | 1 1/4″ | Phenolic | 300 | SS-K3TM4X | 2 3/4 | 3 1/4″ | 5 1/8″ |
| 4″ | 1 1/4″ | Polyolefin – Black | 300 | SS-K3PB4X | 2 3/4 | 3 1/4″ | 5 1/8″ |
| 4″ | 1 1/4″ | Polyolefin – White | 300 | SS-K3PW4X | 2 3/4 | 3 1/4″ | 3 1/4″ |
| 4″ | 1 1/4″ | Nylon ( White ) | 300 | SS-K3NY4X | 2 3/4 | 3 1/4″ | 5 1/8″ |
| 4″ | 1 1/4″ | High Temp Moist Heat – Fiberglass-Nylon | 300 | SS-K3NP4X | 2 3/4 | 3 1/4″ | 5 1/8″ |
| 4″ | 1 1/4″ | High Temp Phenolic – Fiberglass | 300 | SS-K3TP4X | 2 3/4 | 3 1/4″ | 5 1/8″ |
| 4″ | 1 1/4″ | Heavy Duty All Polyurethane | 300 | SS-K3APH4X | 2 1/4 | 3 1/4″ | 5 1/8″ |
| 4″ | 1 1/4″ | High Temp Moist Heat Polymer Retort | 350 | SS-K3RT4X | 2 1/4 | 3 1/2″ | 5 1/8″ |
| Edit CASTER WHEEL DIAM. | TREAD WIDTH | WHEEL TREAD MATERIAL Click below for Replacement Wheels | MAX CAP. EACH CASTER LBS. | SWIVEL CASTER Part Number | APPROX SWIVEL WEIGHT (LBS) | APPROX SWIVEL RADIUS | OVERALL HEIGHT |
|---|---|---|---|---|---|---|---|
| 5″ | 1 1/4″ | Gray Soft Rubber | 250 | SS-K3RF5X | 3 1/4 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | High Capacity Soft Gray Rubber | 300 | SS-K3RH5X | 2 1/5 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | Gray Polyurethane | 250 | SS-K3GP5X | 3 1/4 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | Black/Gray Polyurethane | 250 | SS-K3BK5X | 3 1/4 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | Blue/Gray Polyurethane | 250 | SS-K3BP5X | 3 1/4 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | Red/Gray Polyurethane | 250 | SS-K3RG5X | 3 1/4 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | All Polyurethane | 300 | SS-K3AP5X | 3 1/4 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | Polyurethane on Welded Stainless | 300 | SS-K3US5X | 3 1/4 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | Phenolic | 300 | SS-K3TM5X | 3 1/4 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | Polyolefin – Black | 300 | SS-K3PB5X | 3 1/4 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | Polyolefin – White | 300 | SS-K3PW5X | 3 1/4 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | Nylon ( White ) | 300 | SS-K3NY5X | 3 1/4 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | High Temp Moist Heat – Fiberglass-Nylon | 300 | SS-K3NP5X | 3 1/4 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | High Temp Phenolic – Fiberglass | 300 | SS-K3TP5X | 3 1/4 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | Heavy Duty All Polyurethane | 300 | SS-K3APH5X | 2 1/2 | 4″ | 6 3/16″ |
| 5″ | 1 1/4″ | High Temp Moist Heat Polymer Retort | 350 | SS-K3RT5X | 11/4 | 4″ | 6 3/16″ |
You should never select on the basis of load capacity alone. There is no industry standard for load capacity ratings and they may not include a factor for abuse. Our capacity ratings are below what the casters are capable of carrying because most applications have less than perfect conditions. Please refer to the information shown at the bottom of this page. If you have any doubt as to which wheel or caster is the BEST choice for your application contact us for a recommendation.
