# Timken 1203KR Wide Inner Ring Insert Bearing, 2 3/16 in Bore, 3.937 in OD - MROSupply.com

***Timken 1203KR is a wide inner ring insert ball bearing, part of the Fafnir housed unit series. It features a 2 3/16 inch bore, 3.937 inch outer diameter, and a dynamic load rating of 10,800 lbf. This bearing is designed for use as a component in pillow block, flange, or take-up unit assemblies for general industrial machinery, conveyors, and material handling equipment.***



## Product details:

- Catalog number: 1203KR
- SKU: 5077290
- Price: ***$180.47*** 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: 2.827 lb
- Returns: Yes


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


## Product attributes;

  
- Angle between set screws: 90 °
  

  
- Bearing Type: Ball Bearing
  

  
- Bore: 2 3/16 in
  

  
- Bore type: Cylindrical bore
  

  
- Center of bearing from end: 1.094 in
  

  
- Dimension: 2.811 in
  

  
- Dynamic load rating: 10800 lbf
  

  
- Inside ring width: 2.187 in
  

  
- Lubrication type: Non-Relubricatable
  

  
- Material: Bearing steel
  

  
- Number of set screws: 2
  

  
- O. D. type: Cylindrical OD
  

  
- Outside diameter: 3.937 in
  

  
- Outside ring width: 0.984 in
  

  
- Radius: 0.024 in
  

  
- Seal type: Shroud Seal
  

  
- Series: Industrial
  

  
- Set screw size: 7/16-14
  

  
- Static load rating: 6400 lbf
  

  
- Sub series: 1..KR
  


## 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.