# Timken QMCW08J108STHT Spherical Roller Mounted Unit, Frame 08, Imperial Shaft, Setscrew Locking - MROSupply.com

***Timken QMCW08J108STHT is a spherical roller mounted unit (SRB Housed Unit) with a QMCW mount configuration and frame size 08. It features an imperial shaft and a setscrew (STHT) locking style. This heavy-duty mounted bearing is designed for applications requiring high radial load capacity and tolerance to misalignment, such as conveyors, fans, and industrial gearboxes.***



## Product details:

- Catalog number: QMCW08J108STHT
- SKU: 5982384
- Price: ***$258.01*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- Category: 
    - [Piloted Flange](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/flanged-mounted-bearings/piloted-flange/)
    - [Flanged Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/flanged-mounted-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;

  
- 0.025 mm Shaft size type: Imperial Y1 - Geometry Factor:2.47 Y2 - Geometry Factor:3.67 e - Geometry Factor:0.27
  

  
- 0.030 mm Shaft Size: 1 1/2 in Shaft Tolerance:0.0010 in
  

  
- 0.045 mm Pre Install Clearance Min: 0.0012 in
  

  
- 10 mm Dimension L Exp: 2.98 in
  

  
- 111.3 mm Dimension J (Bolt Size): 0.438 in
  

  
- 3.8 mm Eng Internal Radial Clearance - Max: 0.0018 Eng Internal Radial Clearance - Min:0.0012 Engineering group:Mounted Bearing Float:0.050 in
  

  
- 38.9 mm Dimension BC: 4.38 in
  

  
- 40.9 mm Dimension B Fix: 1.53 in
  

  
- 59.9 mm Dimension B Exp: 1.61 in
  

  
- 73.7 mm Dimension R: 0.15 in
  

  
- 75.7 mm Dimension L Fix: 2.9 in
  

  
- Bearing number: 22208 C - Dynamic Load (Basic):23400 lbf 104000 N C0 - Static Load:22400 lbf 99700 N Dimension:2.36 in
  

  
- Bearing Number: 22208
  

  
- Dynamic Load (Basic): 23400 lbf
  

  
- Eng Internal Radial ClearancMax: 0.0018
  

  
- Eng Internal Radial ClearancMin: 0.0012
  

  
- Engineering Group: Mounted Bearing
  

  
- Float: 0.050 in
  

  
- Geometry Factor: 3.67
  

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

  
- Grease Lubrication - M/N Seal: 2700 rpm
  

  
- Grease Lubrication - T Seal: 4000 rpm
  

  
- Housing Construction: Piloted Flange Cartridge
  

  
- Locking Style: Eccentric
  

  
- 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: 0.0018 in
  

  
- Pre Install Clearance Min: 0.0012 in
  

  
- Shaft Size: 1 1/2 in
  

  
- Shaft Size Type: Imperial
  

  
- Shaft Tolerance: 0.0010 in
  

  
- Static Load: 22400 lbf
  
## Product documents / software:

- [Eccentric Piloted Flange Cartridge](https://documents.mrosupply.com/product_documents/59/82/5982384/qmcw08j108s_6j9veca)

## 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.