# Boston Gear (Altra) - YA90 - Spur Gear,cast iron - RS

**Manufacturer:** Boston Gear (Altra)  
**MPN:** `YA90`

The Boston Gear YA90 Spur Gear features a cast iron construction, providing compressive strength and resistance to wear. It has a 20 pitch, 0.625" bore, 4.600" outer diameter, and 0.500" face width, with 90 teeth. This gear transmits torque between parallel shafts, offering rotational power to a motorized system, and features a 20-degree pressure angle for high load capacity and a 20 diametral pitch for precise speed and direction control.

## 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) - YA90 - Spur Gear,cast iron - RS |
| moq | 1 |
| MPN | YA90 |
| multiple | 1 |
| qtyInStock | 0 |
| snippet | Spur Gear,cast iron |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Allied Electronics | 71888000 |  |  | None | 1 |
| motionindustries.com | 00371688 | 122.46 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/231000000/231485500/part_--YA90---BostonGearAltra--2869d6d66b.json`  
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