# M-551 Needle Roller Bearings Koyo Bearing | MROSupply.com

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

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Koyo Bearing |
| Manufacturer name | Koyo Bearing |
| Manufacturer | Koyo Bearing |
| CategoryL1 | Bearings |
| CategoryL2 | Roller Bearings |
| CategoryL3 | Needle Roller Bearings |
| CategoryL4 | Full Complement Needle Roller Bearings |
| DimensionUnit | inch |
| Extra Product Name | M-551 Needle Roller Bearings Koyo Bearing \| MROSupply.com |
| moq | 4 |
| MPN | M-551 |
| multiple | 4 |
| qtyInStock | 0 |
| SKU | 1497074 |
| snippet | Open Type, Closed End Full Complement Drawn Cup Needle Roller Bearing, 0.3149" Inner Diameter x 0.5005" Outer Diameter x 0.312" Width, 1014 Steel, Round Bore |
| tierMinQty1 | 1 |
| tierPrice1 | 10.00 |
| width | 0.3125 |
| width_Attrib | Width |
| Width | 5/16 in |
| I D | 5/16 in |
| O D | 1/2 in |
| Bearing Design | Outer Ring & Roller Assembly |
| Origin | Needle Radial |
| Limiting Speed - Oil | 8300 rpm |
| Working Load | 580 lbf |
| Self Aligning | No |
| Housing Bore [MIN] | 0.4995 in |
| Oil Hole | w/o Oil Hole |
| Housing Bore [MAX] | 0.5005 in |
| Precision Ground | No |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| MRO Supply | 1497074 | 10.0 | 1 | None | 4 |

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