# McGill MI 47 Needle Roller Inner Race - Size 47, 2.937 in Bore, For CAGEROL and GUIDEROL Bearings - MROSupply.com

***McGill MI 47 precision-ground inner race for CAGEROL (MR series) and GUIDEROL (GR series) needle roller outer assemblies. 2.937 in bore, unsealed. 52100 bearing steel. Sold individually for use when a hardened ground shaft is unavailable.***



## Product details:

- Catalog number: MI 47
- SKU: 2251049
- Price: ***$89.94*** Each
- Quantity: This product has a minimum order quantity of 25.
This is the minimum order quantity available when purchasing this product.
- 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: 1.560 lb
- UPC: 726166000752
- 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): 2.9375
  

  
- Cage Material: Steel
  

  
- Duplexing: No
  

  
- Full Complement/Caged: Caged
  

  
- Housing & Shaft Fillet (in): 0.08
  

  
- Lubrication Hole Type: Lubrication Groove & Hole
  

  
- Number of Rows: 1
  

  
- O.D. (in): 3.5
  

  
- Platform: Inner Ring Only
  

  
- Retainer: No
  

  
- Seal Type: Unsealed
  

  
- Separable: Nonseparable
  

  
- Standard Met: ABMA, ISO
  

  
- Width: 2.12
  
## Product documents / software:

- [Catalog Page](https://documents.mrosupply.com/product_documents/22/51/2251047/multi-brands2F260.pdf)
- [Catalog Page](https://documents.mrosupply.com/product_documents/MI/MI%2042/MCC11012E_Sec_C-31.pdf)
- [Drawing](https://documents.mrosupply.com/product_documents/MI/MI%2096/MI.gif)
- [3D Drawing IGES](https://documents.mrosupply.com/product_documents/MI/MI%2047/regalpts_beloit_EMERSON-MI-47-DEFAULT_OiDUHNE.IGS)

## Product's reviews:
- As ordered - correct item right price
- 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.
- Excellent service - EXCELLENT SERVICE
ORDER WENT THROUGH FLAWLESSLY
- 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




## 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.