# Timken QAAPF22A407STNG Spherical Roller Pillow Block Mounted Unit, 2-Bolt - MROSupply.com

***Timken QAAPF22A407STNG is a spherical roller bearing (SRB) housed unit, categorized as a 2-bolt pillow block. This mounted bearing assembly 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: QAAPF22A407STNG
- SKU: 5987259
- Price: ***$1,710.85*** 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;

  
- 0.075 mm Shaft Size: 4 7/16 in Shaft Tolerance:0.0050 in
  

  
- 0.120 mm Pre Install Clearance Min: 0.0030 in
  

  
- 0.127 mm Shaft size type: Imperial Y1 - Geometry Factor:2.73 Y2 - Geometry Factor:4.06 e - Geometry Factor:0.25
  

  
- 120.7 mm Dimension D Max: 14.5 in
  

  
- 158.8 mm Eng Internal Radial Clearance - Max: 0.0047 Eng Internal Radial Clearance - Min:0.0030 Engineering group:Mounted Bearing Float:0.083 in
  

  
- 20 mm Dimension RAA: 1.13 in
  

  
- 28.7 mm Dimension SAA: 6.25 in
  

  
- 301.8 mm Dimension J (Bolt Size): 0.761 in
  

  
- 368.3 mm Dimension D Min: 11.88 in
  

  
- Bearing number: 22222 C - Dynamic Load (Basic):125000 lbf 555000 N C0 - Static Load:147000 lbf 653000 N Dimension:4.75 in
  

  
- Bearing Number: 22222
  

  
- Dynamic Load (Basic): 125000 lbf
  

  
- Eng Internal Radial ClearancMax: 0.0047
  

  
- Eng Internal Radial ClearancMin: 0.003
  

  
- Engineering Group: Mounted Bearing
  

  
- Float: 0.083 in
  

  
- Geometry Factor: 4.06
  

  
- Grease Lubrication - B/C/O Seal: 600 rpm
  

  
- Grease Lubrication - M/N Seal: 900 rpm
  

  
- Grease Lubrication - T Seal: 1200 rpm
  

  
- Housing Construction: Four-Bolt Pillow Block
  

  
- Locking Style: Double Concentric
  

  
- Oil Lubrication - B/C/O Seal: 600 rpm
  

  
- Oil Lubrication - M/N Seal: 900 rpm
  

  
- Oil Lubrication - T Seal: 1700 rpm
  

  
- Pre Install Clearance Max: 0.0047 in
  

  
- Pre Install Clearance Min: 0.0030 in
  

  
- Shaft Size: 4 7/16 in
  

  
- Shaft Size Type: Imperial
  

  
- Shaft Tolerance: 0.0050 in
  

  
- Static Load: 147000 lbf
  
## Product documents / software:

- [Double Concentric Four Bolt Pillow Block](https://documents.mrosupply.com/product_documents/59/87/5987259/qaapf22a407s_iOIkNwW)

## 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.