# Timken GRA203RRB Wide Inner Ring Ball Bearing Insert, 2-3/16 in Bore, 3.937 in OD, 10800 lbf Dynamic Load - MROSupply.com

***Timken GRA203RRB wide inner ring ball bearing insert with 2-3/16 in cylindrical bore, 3.937 in spherical OD, and 10800 lbf dynamic load rating. Molded shroud seal, relubricatable, with two 7/16-14 set screws at 90°. Bearing steel construction for extended inner ring support in conveyors and material handling equipment.***



## Product details:

- Catalog number: GRA203RRB
- SKU: 5059817
- Price: ***$124.00*** 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: 1.780 lb
- Returns: Yes


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


## Product attributes;

  
- 0.024 in Seal type: Molded Shroud Series:Standard Set screw size:7/16-14 Shaft size:2 3/16 in Static load rating:29200 N
  

  
- 0.193 in Dimension d1: 76.2 mm
  

  
- 0.472 in Dimension: 4.9 mm
  

  
- 0.945 in Radius: 0.6 mm
  

  
- 1.281 in Inside ring width: 1.281 in Lubrication type:Relubricatable Manufacturing part number:GRA203RRB COL Number of set screws:2 O. D. type:Spherical OD Outside diameter:100 mm
  

  
- 10800 lbf Inner Ring Width B: 32.54 mm
  

  
- 3 in Dynamic load rating: 48100 N
  

  
- 3.937 in Outside ring width: 24 mm
  

  
- 6570 lbf Sub series: GRA..RRB
  

  
- Angle between set screws: 90 °
  

  
- Bearing Type: Ball Bearing
  

  
- Bore: 2 3/16 in
  

  
- Bore type: Cylindrical bore
  

  
- Center of bearing from end: 0.472 in
  

  
- Dimension: 1.906 in
  

  
- Dynamic load rating: 10800 lbf
  

  
- Inside ring width: 1.281 in
  

  
- Lubrication type: Relubricatable
  

  
- Material: Bearing steel
  

  
- Number of set screws: 2
  

  
- O. D. type: Spherical OD
  

  
- Outside diameter: 3.937 in
  

  
- Outside ring width: 0.945 in
  

  
- Radius: 0.024 in
  

  
- Seal type: Molded Shroud
  

  
- Series: Standard
  

  
- Set screw size: 7/16-14
  

  
- Static load rating: 6400 lbf
  

  
- Sub series: GRA..RRB
  


## 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.