# Timken RA103RR Wide Inner Ring Ball Bearing Insert, 1-3/16 in Bore, 2.441 in OD - MROSupply.com

***Timken RA103RR is a wide inner ring ball bearing insert, part of the Fafnir housed unit series. It features a 1-3/16 inch bore and a 2.441 inch outside diameter, with a dynamic load rating of 4900 lbf and a static load rating of 2500 lbf. This insert is designed for use in pillow block and flange housings for general industrial applications such as conveyors, fans, and light-duty machinery.***



## Product details:

- Catalog number: RA103RR
- SKU: 5076204
- Price: ***$35.32*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- Category: 
    - [Inserts & Cartridges](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/inserts-cartridges/)
    - [Mounted Ball Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/)
    - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 0.676 lb
- Returns: Yes


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


## Product attributes;

  
- Angle between set screws: 90 °
  

  
- Bearing Type: Ball Bearing
  

  
- Bore: 1 3/16 in
  

  
- Bore type: Cylindrical bore
  

  
- Center of bearing from end: 0.354 in
  

  
- Dimension: 1.406 in
  

  
- Dynamic load rating: 4900 lbf
  

  
- Inside ring width: 0.938 in
  

  
- Lubrication type: Non-Relubricatable
  

  
- Material: Bearing steel
  

  
- Number of set screws: 2
  

  
- O. D. type: Cylindrical OD
  

  
- Outside diameter: 2.441 in
  

  
- Outside ring width: 0.709 in
  

  
- Radius: 0.024 in
  

  
- Seal type: Molded Shroud
  

  
- Series: Standard
  

  
- Set screw size: 5/16-18
  

  
- Static load rating: 2500 lbf
  

  
- Sub series: RA..RR
  


## Product's reviews:
- Best company to buy from - I always buy from MRO is a very reliable company to work with




## 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.