# Timken ER39 Fafnir Wide Inner Ring Ball Bearing Insert for Housed Units - MROSupply.com

***Timken ER39 Fafnir wide inner ring ball bearing insert for housed unit assemblies. Wide inner ring design provides enhanced stability and load distribution for pillow block and flange housing applications in conveyors, fans, and general industrial machinery. Secure mounting and alignment within standard housings.***



## Product details:

- Catalog number: ER39
- SKU: 5059786
- Price: ***$143.95*** 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: 3.366 lb
- Returns: Yes


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


## Product attributes;

  
- 0.024 in Seal type: Narrow Shroud Series:Industrial Set screw size:M10x1.5 Shaft size:2 7/16 in Static load rating:35875.2 N
  

  
- 1 in Dimension: 39.69 mm
  

  
- 1.11 in Dynamic load rating: 58164 N
  

  
- 1.2500 in Radius: 0.6 mm
  

  
- 1.453 in Dimension Y: 28.24 mm
  

  
- 1.563 in Dimension X: 36.83 mm
  

  
- 13100 lbf Inner Ring Width B: 65.09 mm
  

  
- 2.5630 in Lubrication type: Relubricatable Number of set screws:2 O. D. type:Cylindrical OD Outside diameter:110 mm
  

  
- 4.331 in Outside ring width: 31.75 mm
  

  
- 8080 lbf Sub series: ER
  

  
- Angle between set screws: 90 Basic Outer Ring Size:212 Bearing Type:Ball Bearing Bore type:Cylindrical bore Center of bearing from end:25.4 mm
  

  
- Angle between Set Screws: 90 º
  

  
- Basic Outer Ring Size: 212
  

  
- Bearing Type: Ball Bearing
  

  
- Bore Type: Cylindrical bore
  

  
- Center of Bearing from End S: 25.4 mm 1 in
  

  
- Dimension D1: 116.3 mm 4.578 in
  

  
- Dimension F: 76.6 mm 3.016 in
  

  
- Dimension J: 9.92 mm 0.391 in
  

  
- Dimension M: 6.75 mm 1.109 in
  

  
- Dimension S1: 39.69 mm 1.563 in
  

  
- Dimension T: 2.4 mm 0.094 in
  

  
- Dimension X: 36.83 mm 1.453 in
  

  
- Dimension Y: 28.24 mm 1.11 in
  

  
- Dynamic Load Rating: 58164 N 13100 lbf
  

  
- Inner Ring Width B: 65.09 mm 2.563 in
  

  
- Lubrication Type: Relubricatable
  

  
- Material: Bearing Steel
  

  
- Number of Set Screws: 2
  

  
- O.D. Type: Cylindrical OD
  

  
- Outside Diameter D: 110 mm 4.331 in
  

  
- Outside Ring Width C: 31.75 mm 1.25 in
  

  
- Radius r: 0.6 mm 0.024 in
  

  
- Seal Type: Narrow Shroud
  

  
- Series: Industrial
  

  
- Set Screw Size: M10x1.5
  

  
- Shaft Size d: 2 7/16 in
  

  
- Static Load Rating: 35875.2 N 8080 lbf
  

  
- Sub Series: ER
  
## Product documents / software:

- [Fafnir Setscrew Locking Ball Bearings](https://documents.mrosupply.com/product_documents/50/59/5059786/er39_9VvuKk0)

## 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.