# McGill MI 8 Needle Roller Inner Race - Size 8, 0.5 in Bore, For CAGEROL and GUIDEROL Bearings - MROSupply.com

***McGill MI 8 precision-ground inner race for use with CAGEROL (MR series) and GUIDEROL (GR series) needle roller outer assemblies. 0.5 in bore, unsealed. Built from 52100 bearing steel. Sold individually so the assembly can run on a hardened ground shaft when one is unavailable.***



## Product details:

- Catalog number: MI 8
- SKU: 2251068
- Price: ***$13.60*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [McGill Bearing](https://www.mrosupply.com/brands/mcgill-bearing/)
- Category: 
    - [Inner Race](htts://www.mrosupply.com/bearings/roller-bearings/needle-roller-bearings/inner-race/)
    - [Needle Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/needle-roller-bearings/)
    - [Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 0.067 lb
- UPC: 726166000035
- Technicall support: contact supplier for technical support on 800-626-2120


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Bore Size (in): 0.5
  

  
- Cage Material: Steel
  

  
- Duplexing: No
  

  
- Full Complement/Caged: Caged
  

  
- Housing & Shaft Fillet (in): 0.04
  

  
- Lubrication Hole Type: Lubrication Groove & Hole
  

  
- Number of Rows: 1
  

  
- O.D. (in): 0.75
  

  
- Platform: Inner Ring Only
  

  
- Retainer: No
  

  
- Seal Type: Unsealed
  

  
- Separable: Nonseparable
  

  
- Standard Met: ABMA, ISO
  

  
- Width: 1.75
  
## Product documents / software:

- [Catalog Page](https://documents.mrosupply.com/product_documents/22/50/2250995/multi-brands2F258.pdf)
- [Catalog Page](https://documents.mrosupply.com/product_documents/MI/MI%207%20N/MCC11012E_Sec_C-29.pdf)
- [Drawing](https://documents.mrosupply.com/product_documents/MI/MI%2096/MI.gif)
- [3D Drawing IGES](https://documents.mrosupply.com/product_documents/MI/MI%208/regalpts_beloit_EPTCAD-MI-8-DEFAULT_y29zWk6.IGS)

## Product's reviews:
- Fast shipping - Fast shipping and correct items.
- Mcgill bearings - I was surprised at the money I was able to save on these bearings vs my other suppliers. I will buy from MRO as often as I can with service and prices like these.
- Great! - Got the bearing i needed at a fraction of the price with free shipping and quick delivery. I will definitely order the rest of my bearings from MRO
- As ordered - correct item right price




## FAQ:

- How do I choose the right type of bearing for my application?: Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints.
For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials.
In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.