# Hamilton

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

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Hamilton |
| Manufacturer name | Hamilton |
| Manufacturer | Hamilton |
| DimensionUnit | inch |
| GraingerSku | 55HA03 |
| Extra Product Name | Hamilton |
| UnitOfMeasure | EA |
| Weight | 5 |
| 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-4HNY |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G9074245 |
| tierMinQty1 | 1 |
| tierPrice1 | 78.00 |
| url | https://www.zoro.com/hamilton-plate-caster-800-lb-load-rating-r-whk-4hny/i/G9074245/ |
| width | 6 |
| Caster Sub-Type | Rigid |
| Load Rating | 800 lb |
| Number of Wheels | 1 |
| Wheel Dia | 4 in |
| Wheel Width | 2 in |
| Mounting Plate Thickness | 1/4 in |
| Tire Style | Tubeless |
| Wheel Type | Flat-Free |
| Load Rating Range | 300 to 999 lb |
| With Toe Plate | No |
| Swivel Construction | Kingpinless |
| Swivel Bearing Seal Type | Sealed |
| Mounting Height | 5 5/8 in |
| Frame Color | Black |
| For Surface Type | Concrete |
| Swivel Radius | None- Rigid Caster |
| Features | Durable, High Heat, Quiet Operation, Reliable |
| Mounting Plate Bolt Hole Pattern | B |
| Mounting Bolt Dia | 3/8 in |
| Wheel/Tread Material | Glass Filled Nylon |
| Includes Spanner Bushing | Yes |
| Item | Heat-Resistant Kingpinless Plate Caster |
| Includes Thread Guards | No |
| Inside Bolt Hole Spacing | 2-5/8 in x 3-5/8 in |
| Swivel Lead | 1 3/4 in |
| Operating Temperature Range | -50 Degrees to 200 Degrees F |
| ESD Conductive | Yes |
| Leveling Caster | No |
| Standards | ICWM |
| Caster Product Group | Rigid Caster |
| Tread | Flat |
| Core Color | Brown |
| Wheel Core Material | Nylon |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G9074245 | 78.0 | 1 | None | 1 |
| Grainger | 55HA03 | 96.23 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/259000000/259475500/part_--RWHK4HNY---Hamilton--36eff0e8ce.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp