# Koyo - M-551 - NRB Drawn Cup Full Complement, 8mm ID, 12.71mm OD, 7.92mm Width - Allied Electronics & Automation, part of RS Group

**Manufacturer:** Koyo  
**MPN:** `M-551`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Koyo |
| Manufacturer name | Koyo |
| Manufacturer | Koyo, Koyo Torrington |
| Category | Industrial Controls/Mechanical Power Transmission/Bearings and Rod Ends/Roller Bearings |
| Extra Product Name | Koyo - M-551 - NRB Drawn Cup Full Complement, 8mm ID, 12.71mm OD, 7.92mm Width - Allied Electronics & Automation, part of RS Group |
| moq | 1 |
| MPN | M-551 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 72387236 |
| snippet | NRB Drawn Cup Full Complement, 8mm ID, 12.71mm OD, 7.92mm Width |
| AdultProduct | False |
| Asin | B007EDT53E |
| Autographed | False |
| Brand | Koyo |
| Bullet_point | Drawn cup needle roller bearing with a closed end for shaft end applications with high dynamic loads, Drawn steel outer shell (cup) has a reduced cross-section for use in restricted spaces, Full compl |
| ClassificationId | 16411291 |
| DisplayName | Needle |
| Height | 0.5, 0.899999999082, 1741, 2.286, 490, 74 |
| Identifier | 00605790200632, 0605790200632, 605790200632 |
| IdentifierType | EAN, GTIN, UPC |
| ItemClassification | BASE_PRODUCT |
| ItemName | Koyo M-551 Needle Roller Bearing, Drawn Cup, Closed End, Open, Inch, 5/16" ID, 1/2" OD, 5/16" Width, 8300rpm Maximum Rotational Speed |
| Item_name | Koyo M-551 Needle Roller Bearing, Drawn Cup, Closed End, Open, Inch, 5/16" ID, 1/2" OD, 5/16" Width, 8300rpm Maximum Rotational Speed |
| Item_package_quantity | 1 |
| Item_package_weight | 0.05 |
| Item_type_keyword | needle-roller-bearings |
| Item_weight | 0.05 |
| Keyword | 551 1/2 |
| Length | 0.31, 2.299999997654, 5.588000000000001 |
| Link | https://m.media-amazon.com/images/I/51My+Cxjs-L._SL75_.jpg, https://m.media-amazon.com/images/I/51My+Cxjs-L.jpg, https://m.media-amazon.com/images/I/81Tqrz+FY5L.jpg, https://www.amazon.com/gp/bestsell |
| Material | Cageless |
| Memorabilia | False |
| ModelNumber | M-551 |
| Model_number | M-551 |
| Mpns | M-551 |
| Number | M-551 |
| Number_of_items | 1 |
| PackageQuantity | 1 |
| PartNumber | M-551 |
| Part_number | M-551 |
| ProductType | HARDWARE_BEARING |
| Product_site_launch_date | 2012-02-27T19:32:12.145Z |
| Rank | 1345, 858373 |
| Specification_met | Ansi/Abma |
| String_value | 5/16 |
| StrippedMpns | M551 |
| Title | Industrial & Scientific, Needle Roller Bearings |
| TradeInEligible | False |
| Type | Each, ean, gtin, upc |
| Unit | centimeters, inches, pounds |
| Unit_count | 1.0 |
| Variant | MAIN |
| WebsiteDisplayGroup | biss_basic_display_on_website, biss_display_on_website |
| WebsiteDisplayGroupName | BISS Basic |
| Weight | 0.05 |
| Width | 0.31, 1778, 2.1999999977560005, 5.842, 500, 75 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Allied Electronics | 72387236 |  |  | None | 1 |
| us.rs-online.com | 72387236 | 10.32 | 1 | None | 1 |
| factorysupplyoutlet.com | QR72PN | 21.55 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/189500000/189556500/part_--M551---Koyo--ba1cf28bd6.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp