# Hamilton

**Manufacturer:** Hamilton  
**MPN:** `R-WHK-4HFSB`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Hamilton |
| Manufacturer name | Hamilton |
| Manufacturer | Hamilton |
| DimensionUnit | inch |
| GraingerSku | 55HA09 |
| Extra Product Name | Hamilton |
| UnitOfMeasure | EA |
| Weight | 9 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| extendedLead | 20 |
| extendedQty | -2 |
| height | 6 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 6 |
| moq | 1 |
| MPN | R-WHK-4HFSB |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G9072093 |
| tierMinQty1 | 1 |
| tierPrice1 | 183.07 |
| url | https://www.zoro.com/hamilton-plate-caster-560-lb-load-rating-r-whk-4hfsb/i/G9072093/ |
| width | 6 |
| Caster Sub-Type | Rigid |
| Load Rating | 560 lb |
| Number of Wheels | 1 |
| Wheel Dia | 4 in |
| Wheel Width | 2 in |
| Load Rating Range | 300 to 999 lb |
| With Toe Plate | No |
| Wheel/Tread Hardness Rating | Extra Hard |
| Mounting Plate Thickness | 1/4 in |
| Swivel Lock Type | No Lock Included |
| Swivel Raceway Type | Roller |
| Core Color | Silver |
| Frame Finish | Enamel |
| Outside Bolt Hole Spacing | 3 in x 3 in |
| Tire Style | Tubeless |
| Caster Mounting Type | Plate |
| Tread Shape | Standard |
| Standards | ICWM |
| Item | Heat-Resistant Kingpinless Plate Caster |
| Swivel Lead | 1 3/4 in |
| Caster Brake Type | No Brake Included |
| Series | Inferno |
| Wheel Type | Flat-Free |
| Wheel Core Type | Solid |
| Wheel Bearing Type | Precision Ball |
| For Axle Dia | 1/2 in |
| Wheel/Tread Hardness | 179 BHN |
| Wheel/Tread Material | Steel |
| Mounting Plate Size | 4 in x 4 1/2 in |
| Includes Mounting Fasteners | No |
| Wheel Core Material | Forged Steel |
| Number of Mounting Holes | 4 |
| NSF Listed | No |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G9072093 | 183.07 | 1 | None | 1 |
| Grainger | 55HA09 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/80500000/80787500/part_--RWHK4HFSB---Hamilton--a4da972883.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp