# Boston Gear (Altra) - YK25B - Spur Gear,5 DP,20* Pressure Angle,25 teeth,1 1/8" plain bore,2.5" face,5.33 - Allied Electronics & Automation, part of RS Group

**Manufacturer:** Boston Gear (Altra)  
**MPN:** `YK25B`

The Boston Gear YK25B Spur Gear is a cast iron gear with an inch pitch of 5. It has a 1.125 inch bore and a 5.400 inch outside diameter. The gear has a 2.500 inch face width and 25 teeth.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Boston Gear (Altra) |
| Manufacturer name | Boston Gear (Altra) |
| Manufacturer | Boston Gear (Altra) |
| Category | Industrial Controls/Mechanical Power Transmission/Gears & Gear Racks/Gears |
| Extra Product Name | Boston Gear (Altra) - YK25B - Spur Gear,5 DP,20* Pressure Angle,25 teeth,1 1/8" plain bore,2.5" face,5.33 - Allied Electronics & Automation, part of RS Group |
| moq | 1 |
| MPN | YK25B |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 71882672 |
| snippet | Spur Gear,5 DP,20* Pressure Angle,25 teeth,1 1/8" plain bore,2.5" face,5.33 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Allied Electronics | 71882672 |  |  | None | 1 |
| motionindustries.com | 00372122 | 351.63 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/54000000/54158000/part_--YK25B---BostonGearAltra--182db9b962.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp