# Timken E-P4B-TRB-125MM Type E Four-Bolt Pillow Block Tapered Roller Bearing 125mm Bore Setscrew - MROSupply.com

***Timken E-P4B-TRB-125MM is a Type E four-bolt pillow block mounted tapered roller bearing assembly. It features a 125 mm (4.921 in) metric shaft bore and a setscrew locking style. This heavy-duty housed unit is designed for industrial applications such as conveyor head shafts and process equipment, providing combined radial and axial load capacity.***



## Product details:

- Catalog number: E-P4B-TRB-125MM
- SKU: 5117400
- Price: ***$4,434.10*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- Category: 
    - [4-Bolt Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/pillow-block-bearings/4-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/)- View suggested `Dodge` alternative
  [Dodge 023635 P4B-E-125MR four-bolt pillow block bearing with 125mm bore. Features a cast iron housing, tapered roller bearing insert, set screw locking, and is a non-expansion (fixed) unit. Sensor-ready design with grease lubrication for heavy-duty](https://www.mrosupply.com/products/133865/as-markdown/)
- Unit of measure: each
- Weight: 134.044 lb
- Returns: Yes


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Bolt Diameter: 7/8 in
  

  
- Dimension: 7-1/4 in
  

  
- Dimension max: 15-3/4 in
  

  
- Dimension min: 15-1/4 in
  

  
- Shaft dia (in): 4.921
  

  
- Shaft size type: Metric
  
## Product documents / software:

- [Pillow Block 4 Bolt Base](https://documents.mrosupply.com/product_documents/51/17/5117400/e-p4b-trb-125mm_qkTgDvu)

## 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.