# Martin - E12B20 - Motion Industries

**Manufacturer:** Martin  
**MPN:** `E12B20`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Martin |
| Manufacturer name | Martin |
| Manufacturer | Martin |
| Extra Product Name | Martin - E12B20 - Motion Industries |
| moq | 1 |
| MPN | E12B20 |
| multiple | 1 |
| qtyInStock | Not in Stock, Available to Order |
| SKU | 00205012 |
| tierMinQty1 | 1 |
| tierPrice1 | 207.18 |
| chain number & pitch: | 12B / 3/4 in |
| caliper diameter: | 109.7 mm |
| chain / sprocket type: | Metric Roller Chain |
| pitch diameter: | 121.8 mm |
| hub outside diameter: | 100 mm |
| maximum bore diameter: | 70 mm |
| hub style: | B |
| tooth width: | 50 mm |
| number of teeth: | 20 |
| tooth thickness: | 11 mm |
| bore type: | Reboreable |
| width across tooth sets: | 49.78 mm |
| bore diameter: | 20 mm |
| chain roller diameter: | 12.065 mm |
| number of strands across: | 3 |
| chain roller width: | 11.68 mm |
| material: | Steel |
| storage dimension height: | 2.76 mm |
| number of hubs: | 1 |
| storage dimension length: | 5.26 mm |
| length through bore: | 70 mm |
| storage dimension width: | 5.26 mm |
| hardened teeth: | Non-Hardened Teeth |
| surface treatment: | Protective Coating |
| pitch type: | Single |
| manufacturer upc number: | 697950401751 |
| hub diameter: | 100 mm |
| outside diameter: | 133.5 mm |
| weight: | 10.907 lbs |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| motionindustries.com | 00205012 | 207.18 | 1 | None | 1 |
| Applied Industrial | 100966831 |  |  | None | 1 |
| Purvis | E12B20 | 307.78 | 1 | None | 1 |
| Radwell | E12B20 |  |  | None | 1 |
| turtle.com | MOI E12B20 |  |  | None | 1 |
| cbtcompany.com | E12B20 |  |  | None | 1 |
| MRO Supply | 257045 | 277.22 | 1 | None | 1 |
| industrialzone.com | E12B20 | 152.64 | 1 | None | 2 |
| apexindustrialautomation.com | E12B20 | 184.51 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/61500000/61792500/part_--E12B20---Martin--cccbf23f04.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp