# Timken QAAP15A215STHT Spherical Roller Mounted Unit, Two-Bolt Pillow Block - MROSupply.com

***Timken QAAP15A215STHT is a spherical roller mounted unit (SRB) in a two-bolt pillow block housing. This housed bearing is designed for heavy-duty applications requiring self-alignment and high radial load capacity, such as conveyors, fans, and industrial gearboxes. The unit features a spherical roller bearing insert for shock and misalignment tolerance.***



## Product details:

- Catalog number: QAAP15A215STHT
- SKU: 5988013
- Price: ***$575.11*** 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;

  
- 0.050 mm Shaft Size: 2 15/16 in Shaft Tolerance:0.0020 in
  

  
- 0.051 mm Shaft size type: Imperial Y1 - Geometry Factor:3.14 Y2 - Geometry Factor:4.67 e - Geometry Factor:0.22
  

  
- 0.080 mm Pre Install Clearance Min: 0.0020 in
  

  
- 120.4 mm Eng Internal Radial Clearance - Max: 0.0031 Eng Internal Radial Clearance - Min:0.0020 Engineering group:Mounted Bearing Float:0.083 in
  

  
- 20 mm Dimension RAA: 0.87 in
  

  
- 200.2 mm Dimension J (Bolt Size): 0.75 in
  

  
- 22.1 mm Dimension SAA: 4.74 in
  

  
- 244.6 mm Dimension D Min: 7.88 in
  

  
- 79.5 mm Dimension D Max: 9.63 in
  

  
- Bearing number: 22215 C - Dynamic Load (Basic):49900 lbf 222000 N C0 - Static Load:54100 lbf 240000 N Dimension:3.13 in
  

  
- Bearing Number: 22215
  

  
- Dynamic Load (Basic): 49900 lbf
  

  
- Eng Internal Radial ClearancMax: 0.0031
  

  
- Eng Internal Radial ClearancMin: 0.002
  

  
- Engineering Group: Mounted Bearing
  

  
- Float: 0.083 in
  

  
- Geometry Factor: 4.67
  

  
- Grease Lubrication - B/C/O Seal: 1300 rpm
  

  
- Grease Lubrication - M/N Seal: 1600 rpm
  

  
- Grease Lubrication - T Seal: 2400 rpm
  

  
- Housing Construction: Two-Bolt Pillow Block
  

  
- Locking Style: Double Concentric
  

  
- Oil Lubrication - B/C/O Seal: 1300 rpm
  

  
- Oil Lubrication - M/N Seal: 1600 rpm
  

  
- Oil Lubrication - T Seal: 2900 rpm
  

  
- Pre Install Clearance Max: 0.0031 in
  

  
- Pre Install Clearance Min: 0.0020 in
  

  
- Shaft Size: 2 15/16 in
  

  
- Shaft Size Type: Imperial
  

  
- Shaft Tolerance: 0.0020 in
  

  
- Static Load: 54100 lbf
  
## Product documents / software:

- [Double Concentric Two Bolt Pillow Block](https://documents.mrosupply.com/product_documents/59/85/5985061/qaap15a215s_d6gt04M)

## 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.
