# Hamilton

**Manufacturer:** Hamilton  
**MPN:** `R-331-A`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Hamilton |
| Manufacturer name | Hamilton |
| Manufacturer | Hamilton, Hamilton Caster & Mfg. Co. |
| DimensionUnit | inch |
| GraingerSku | R-331-A |
| Extra Product Name | Hamilton |
| UnitOfMeasure | EA |
| Weight | 2, 2.1 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| extendedLead | 20 |
| extendedQty | -2 |
| height | 1 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 1 |
| moq | 1 |
| MPN | R-331-A |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G3602363 |
| tierMinQty1 | 1 |
| tierPrice1 | 19.52 |
| url | https://www.zoro.com/hamilton-rigid-caster-300-3x1-38-aqualite-r-331-a/i/G3602363/ |
| width | 1 |
| Caster Sub-Type | Rigid |
| Load Rating | 230 |
| Number of Wheels | 1 |
| Wheel Dia | 3 |
| Wheel Width | 1.25 |
| Item | Plate Caster |
| Inside Bolt Hole Spacing | 1 3/4 x 2 7/8 |
| Caster Frame Material | Steel |
| Thread Guards | No |
| Frame Finish | Bright Zinc Plated |
| Outside Bolt Hole Spacing | 1 3/4 x 3 |
| Core Color | Black |
| Caster Product Group | Rigid Caster |
| Mounting Bolt Dia | 0.3125 |
| Country of Origin (subject to change) | United States |
| AdultProduct | False |
| Asin | B075JFN9YM |
| Autographed | False |
| Batteries_required | False |
| Brand | Hamilton |
| Bullet_point | For the past 100 years, we've earned a reputation for building the industry's most durable casters and wheels, Manufactured in china, The economic" kingpin less caster featured an unconventional upper |
| ClassificationId | 511228 |
| DisplayName | Hardware |
| Height | 2.75, 4.0 |
| ItemClassification | BASE_PRODUCT |
| ItemName | Hamilton R-331-A Rigid Caster 300 3X1-3/8 AQUALITE 230 Bright Zinc Plated |
| Item_name | Hamilton R-331-A Rigid Caster 300 3X1-3/8 AQUALITE 230 Bright Zinc Plated |
| Item_package_quantity | 1 |
| Item_package_weight | 2.1 |
| Item_type_keyword | plate-casters |
| Item_weight | 2.0 |
| Keyword | R-331-A |
| Length | 3.75, 4 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G3602363 | 19.52 | 1 | None | 1 |
| Zoro | G9076440 |  |  | None | 1 |
| National Supply Network | B357596 | 18.76 | 1 | None | 1 |
| Zoro | G0655901 | 21.07 | 1 | None | 1 |
| Zoro | G904872601 | 33.0 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/40000000/40452500/part_--R331A---Hamilton--76922529b6.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp