# Gearbelt Pulley, Fixed, 107mm Belt

**Manufacturer:** Continental Contitech  
**MPN:** `R-28S-1-7/8`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Continental Contitech |
| Manufacturer name | Continental Contitech |
| Manufacturer | Continental Contitech |
| DimensionUnit | inch |
| GraingerSku | 45PR31 |
| Extra Product Name | Gearbelt Pulley, Fixed, 107mm Belt |
| WeightUnit | lbs |
| countryOfOrigin | Italy |
| extendedLead | 12 |
| extendedQty | -2 |
| moq | 1 |
| MPN | R-28S-1-7/8 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | G2430675 |
| tierMinQty1 | 1 |
| tierPrice1 | 538.00 |
| url | https://www.zoro.com/continental-contitech-gearbelt-pulley-fixed-107mm-belt-r-28s-1-78/i/G2430675/ |
| Pitch (mm) | 14 |
| Outside Dia (In ) | 4.803 |
| Outside Dia (mm) | 121.99 |
| Keyway | No |
| Bore Dia (mm) | 47.625 |
| For Use With | 107mm Belt |
| Application | Positive Drive, Timing |
| Material | Steel |
| Width (In ) | 4.2126 |
| Bore Type | Fixed |
| Bore Dia (In ) | 1-7/8 |
| Item | Gearbelt Pulley |
| Pitch Dia (mm) | 124.8 |
| Number of Grooves | 28 |
| Construction | Solid |
| Type | Synchronous Sprocket |
| Setscrew | No |
| Width (mm) | 107 |
| Pitch (In ) | 0.5512 |
| Country of Origin (subject to change) | Italy |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G2430675 | 538.0 | 1 | None | 1 |
| Grainger | 45PR31 |  |  | None | 1 |

---
Structured data: `/python/html6/product/500/39500000/39708000/part_--R28S178---ContinentalContitech--934fc35e04.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp