# R1 3 1/4 MST BUSHING

**Manufacturer:** Martin Sprocket  
**MPN:** `R1 3 1/4`

The Martin R1 3 1/4 MST Bushing features a split taper design for mounting pulleys, sheaves, or sprockets on a drive shaft. Constructed from ductile iron, this bushing offers greater strength and resistance to wear, galling, and corrosion compared to gray cast iron. A solid flange and double-split barrel improve concentricity and provide strong clamping on the shaft. Keyed to both shaft and drive component, it offers higher torque carrying capacity.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Martin Sprocket |
| Manufacturer name | Martin Sprocket |
| Manufacturer | Martin Sprocket |
| CategoryL1 | Bushings |
| CategoryL2 | Split Taper Bushings |
| CategoryL3 | Type R1 |
| Extra Product Name | R1 3 1/4 MST BUSHING |
| moq | 1 |
| MPN | R1 3 1/4 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 248536 |
| snippet | R1 3 1/4 MST BUSHING |
| tierMinQty1 | 1 |
| tierPrice1 | 134.77 |
| Material | Ductile Iron |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| MRO Supply | 248536 | 134.77 | 1 | None | 1 |
| Applied Industrial | 100971599 |  |  | None | 1 |
| Zoro | G3367501 | 130.64 | 1 | None | 1 |
| Purvis | R1 3 1/4 | 143.22 | 1 | None | 1 |
| turtle.com | MOI R1 3 1/4 |  |  | None | 1 |
| cbtcompany.com | R1 3 1/4 | 146.0 | 1 | None | 1 |
| apexindustrialautomation.com | R1 3 1/4 | 126.96 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/108000000/108094500/part_--R1314---MartinSprocket--87d83003f4.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp