# Timken QATP20A400SC Spherical Roller Take-Up Bearing Unit, Frame 20, V-Lock Locking - MROSupply.com

***Timken QATP20A400SC is a spherical roller take-up bearing unit. This housed unit features a heavy-duty spherical roller bearing insert within a take-up frame, designed for adjustable tension applications. It utilizes a single V-Lock concentric locking collar for secure shaft mounting. The unit is suitable for conveyor systems and other industrial machinery requiring periodic belt or chain tension adjustment.***



## Product details:

- Catalog number: QATP20A400SC
- SKU: 5988116
- Price: ***$1,899.22*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- Category: 
    - [Take-Up Bearing Units](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/take-up-bearings/take-up-bearing-units/)
    - [Take-Up Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/take-up-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 in Shaft Tolerance:0.0030 in
  

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

  
- 0.120 mm Pre Install Clearance Min: 0.0030 in
  

  
- 116.7 mm Dimension U: 0.81 in
  

  
- 117.6 mm Dimension A1: 4.76 in
  

  
- 121 mm Dimension Q: 1.31 in
  

  
- 20.6 mm Eng Internal Radial Clearance - Max: 0.0047 Eng Internal Radial Clearance - Min:0.0030 Engineering group:Mounted Bearing Float:0.08 in
  

  
- 33.3 mm Dimension RA: 0.37 in
  

  
- 9.4 mm Dimension TA: 4.59 in
  

  
- Bearing number: 22220 C - Dynamic Load (Basic):97700 lbf 435000 N C0 - Static Load:113000 lbf 502000 N Dimension:4.63 in
  

  
- Bearing Number: 22220
  

  
- Dynamic Load (Basic): 97700 lbf
  

  
- Eng Internal Radial ClearancMax: 0.0047
  

  
- Eng Internal Radial ClearancMin: 0.003
  

  
- Engineering Group: Mounted Bearing
  

  
- Float: 0.08 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: Top Pull Take-Up
  

  
- Locking Style: Single Concentric
  

  
- 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: 0.0047 in
  

  
- Pre Install Clearance Min: 0.0030 in
  

  
- Shaft Size: 4 in
  

  
- Shaft Size Type: Imperial
  

  
- Shaft Tolerance: 0.0030 in
  

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

- [Single Concentric Top Pull Take Up Block](https://documents.mrosupply.com/product_documents/59/82/5982359/qatp20a400s-2)

## 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.