# Hamilton

**Manufacturer:** Hamilton  
**MPN:** `S-WHK-4HMB`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Hamilton |
| Manufacturer name | Hamilton |
| Manufacturer | Hamilton |
| DimensionUnit | inch |
| GraingerSku | 55HA04 |
| Extra Product Name | Hamilton |
| UPC | None |
| UnitOfMeasure | EA |
| Weight | 11 |
| 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 | S-WHK-4HMB |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G9073773 |
| tierMinQty1 | 1 |
| tierPrice1 | 224.81 |
| url | https://www.zoro.com/hamilton-plate-caster-400-lb-load-rating-s-whk-4hmb/i/G9073773/ |
| width | 6 |
| Caster Sub-Type | Swivel |
| Load Rating | 400 lb |
| Number of Wheels | 1 |
| Wheel Dia | 4 in |
| Wheel Width | 2 in |
| Mounting Height | 5 5/8 in |
| Wheel/Tread Color | Silver |
| Swivel Construction | Kingpinless |
| Frame Color | Black |
| With Toe Plate | No |
| Non-Marking | No |
| Wheel/Tread Hardness Rating | Extra Hard |
| Features | Durable, High Heat, Quiet Operation, Reliable |
| Mounting Plate Size | 4 in x 5 in |
| Operating Temperature Range | -50 Degrees to 200 Degrees F |
| Swivel Lead | 1 3/4 in |
| Tread Shape | Standard |
| Wheel Bearing Type | Precision Ball |
| NSF Listed | No |
| Outside Bolt Hole Spacing | 3 in x 3 in |
| Application | Aerospace Tooling, All Purpose Industrial/Commercial Casters, Automotive Assembly Lines, Body Dolly Carts, Chassis Rack Carts, Engine Dollies, Material Carts |
| Wheel Core Type | Solid |
| Mounting Bolt Dia | 3/8 in |
| Standards | ICWM |
| Mounting Plate Bolt Hole Pattern | B |
| Includes Thread Guards | No |
| Caster Mounting Type | Plate |
| Wheel Type | Flat-Free |
| Swivel Radius | 3 5/8 in |
| For Surface Type | Concrete |
| Tire Style | Tubeless |
| Overall Wheel Width | 2 in |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G9073773 | 224.81 | 1 | None | 1 |
| Grainger | 55HA04 |  |  | None | 1 |

---
Structured data: `/python/html6/product/500/126500000/126951000/part_--SWHK4HMB---Hamilton--c04fb5d31e.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp