# Timken TAPK20K307SEO Spherical Roller Pillow Block, 1-1/2 in Shaft, Single Engineered Locking - MROSupply.com

***Timken TAPK20K307SEO is a spherical roller mounted unit (SRB housed unit). This two-bolt pillow block features a single engineered locking collar (SEO) for secure shaft attachment. The cast iron housing provides robust support for heavy-duty applications such as conveyors, fans, and industrial machinery where shock loads and misalignment are present.***



## Product details:

- Catalog number: TAPK20K307SEO
- SKU: 5986514
- Price: ***$1,222.78*** 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;

  
- 0.102 mm Shaft size type: Imperial Y1 - Geometry Factor:2.85 Y2 - Geometry Factor:4.24 e - Geometry Factor:0.24
  

  
- 0.109 mm Shaft Size: 3 7/16 in Shaft Tolerance:0.0040 in
  

  
- 0.140 mm Pre Install Clearance Min: 0.0043 in
  

  
- 127 mm Dimension D Max: 14 in
  

  
- 24 mm Engineering group: Mounted Bearing Float:0.083 in
  

  
- 317.5 mm Dimension J (Bolt Size): 0.875 in
  

  
- 355.6 mm Dimension D Min: 12.5 in
  

  
- Bearing number: 22220 C - Dynamic Load (Basic):97700 lbf 435000 N C0 - Static Load:113000 lbf 502000 N Dimension:5 in
  

  
- Bearing Number: 22220
  

  
- Dynamic Load (Basic): 97700 lbf
  

  
- Engineering Group: Mounted Bearing
  

  
- Float: 0.083 in
  

  
- Geometry Factor: 4.24
  

  
- Grease Lubrication - B/C/O Seal: 900 rpm
  

  
- Grease Lubrication - M/N Seal: 1200 rpm
  

  
- Grease Lubrication - T Seal: 1600 rpm
  

  
- Housing Construction: Four-Bolt Pillow Block
  

  
- Locking Style: Tapered Adapter
  

  
- Oil Lubrication - B/C/O Seal: 900 rpm
  

  
- Oil Lubrication - M/N Seal: 1200 rpm
  

  
- Oil Lubrication - T Seal: 2000 rpm
  

  
- Pre Install Clearance Max: 0.0055 in
  

  
- Pre Install Clearance Min: 0.0043 in
  

  
- Shaft Size: 3 7/16 in
  

  
- Shaft Size Type: Imperial
  

  
- Shaft Tolerance: 0.0040 in
  

  
- Static Load: 113000 lbf
  
## Product documents / software:

- [Tapered Adapter Four Bolt Pillow Block](https://documents.mrosupply.com/product_documents/59/82/5982865/tapk20k307s_AxwqB7V)

## 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.