# Rigid Caster

**Manufacturer:** Hamilton  
**MPN:** `R-7521-SPRT`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Hamilton |
| Manufacturer name | Hamilton |
| Manufacturer | Hamilton, Hamilton Casters |
| CategoryId | 6740 |
| CategoryIdL1 | 14394 |
| CategoryIdL2 | 4473 |
| CategoryIdL3 | 6740 |
| CategoryL1 | Material Handling |
| CategoryL2 | Casters & Wheels |
| CategoryL3 | Casters |
| CategoryL4 | Plate Casters |
| DimensionUnit | inch |
| GraingerSku | R-7521-SPRT |
| UPC | None |
| UnitOfMeasure | EA |
| Weight | 109, 109.0, 109.00, 6.81 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 1 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 1 |
| moq | 1 |
| MPN | R-7521-SPRT |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G9065143 |
| snippet | Rigid Caster |
| tierMinQty1 | 1 |
| tierPrice1 | 1085.99 |
| url | https://www.zoro.com/hamilton-rigid-caster-7500-21-solid-pneumatic-r-7521-sprt/i/G9065143/ |
| width | 1 |
| Part Number | R-7521-SPRT |
| Model | R-7521-SPRT |
| Product Group | Home Improvement |
| Item | Rigid Caster |
| Thread Guards | No |
| Caster Product Group | Rigid Caster |
| Package Quantity | 1 |
| ASIN | B00UVPSAZG, B0876CLN26 |
| AdultProduct | False |
| Asin | B00UVPSAZG, B0876CLN26 |
| Autographed | False |
| Batteries_required | False |
| Binding | Misc. |
| Brand | Hamilton, Hamilton Casters |
| Bullet_point | Capacity: 4200 lbs., Overall Height: 24", Wheel Dia.xW: 21x6" |
| Case | 1 |
| Cat | Tools & Home Improvement |
| CatId | 228013 |
| CatTree | 228013, 468240, 551240 |
| ClassificationId | 511228 |
| Decimal_value | 6.0 |
| DisplayName | Hardware |
| Feature | Wheel Dia.xW: 21x6" |
| Height | 1000, 24.0, 24.00, 500, 6.0, 6.00, 75 |
| ItemClassification | BASE_PRODUCT |
| ItemName | Hamilton Casters Hamilton Heavy Duty Rigid 21 x 6 HD Semi-Pneumatic Tapered 4200 Lb. Caster, Hamilton Heavy Duty Ground Support Caster - 21"Dia.X6"W Wheel - Rigid |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G9065143 | 1085.99 | 1 | None | 1 |
| National Supply Network | 1874901 |  |  | None | 1 |
| motionindustries.com | 05865606 | 1646.2 | 1 | None | 1 |
| Zoro | G3275618 | 864.91 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/60000000/60087500/part_--R7521SPRT---Hamilton--f59a8cecc3.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp