# Timken QASN09A040SM Spherical Roller Mounted Unit, Frame 09, Adapter Mount - MROSupply.com

***Timken QASN09A040SM is a spherical roller mounted unit (SRB) with an adapter mount configuration. This housed bearing features a frame size 09 and is designed for heavy-duty industrial applications requiring self-alignment and high load capacity, such as conveyors, fans, and processing equipment.***



## Product details:

- Catalog number: QASN09A040SM
- SKU: 5988183
- Price: ***$292.26*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- Category: 
    - [2-Bolt Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/pillow-block-bearings/2-bolt-pillow-block-bearings/)
    - [Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/pillow-block-bearings/)
    - [Mounted Roller Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/)
    - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Returns: Yes


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


## Product attributes;

  
- 0.035 mm Shaft Size: 40 mm Shaft Tolerance:0.0015 in
  

  
- 0.038 mm Shaft size type: Metric Y1 - Geometry Factor:2.64 Y2 - Geometry Factor:3.93 e - Geometry Factor:0.26
  

  
- 0.055 mm Pre Install Clearance Min: 0.0014 in
  

  
- 12 mm Dimension KA: 0.98 in
  

  
- 159 mm Dimension J (Bolt Size): 0.5 in
  

  
- 175 mm Dimension D Min: 6.26 in
  

  
- 25 mm Dimension RA: 0.22 in
  

  
- 5.6 mm Dimension SA: 2.87 in
  

  
- 60 mm Dimension D Max: 6.89 in
  

  
- 73 mm Eng Internal Radial Clearance - Max: 0.0022 Eng Internal Radial Clearance - Min:0.0014 Engineering group:Mounted Bearing Float:0.050 in
  

  
- Bearing number: 22209 C - Dynamic Load (Basic):24500 lbf 109000 N C0 - Static Load:24200 lbf 108000 N Dimension:2.36 in
  

  
- Bearing Number: 22209
  

  
- Dynamic Load (Basic): 24500 lbf
  

  
- Eng Internal Radial ClearancMax: 0.0022
  

  
- Eng Internal Radial ClearancMin: 0.0014
  

  
- Engineering Group: Mounted Bearing
  

  
- Float: 0.050 in
  

  
- Geometry Factor: 3.93
  

  
- Grease Lubrication - B/C/O Seal: 1950 rpm
  

  
- Grease Lubrication - M/N Seal: 2700 rpm
  

  
- Grease Lubrication - T Seal: 4000 rpm
  

  
- Housing Construction: Two-Bolt Pillow Block
  

  
- Locking Style: Single Concentric
  

  
- Oil Lubrication - B/C/O Seal: 1950 rpm
  

  
- Oil Lubrication - M/N Seal: 2700 rpm
  

  
- Oil Lubrication - T Seal: 4500 rpm
  

  
- Pre Install Clearance Max: 0.0022 in
  

  
- Pre Install Clearance Min: 0.0014 in
  

  
- Shaft Size: 40 mm
  

  
- Shaft Size Type: Metric
  

  
- Shaft Tolerance: 0.0015 in
  

  
- Static Load: 24200 lbf
  
## Product documents / software:

- [Single Concentric Two Bolt Pillow Block](https://documents.mrosupply.com/product_documents/59/84/5984680/qasn09a040s_oJ2dB9R)

## 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.