# Dodge 077345 F4B-EXL-303RE Four-Bolt Flange Mounted Bearing 3-3/16" Bore EXL Tapered Roller Heavy Duty - MROSupply.com

***Dodge 077345 F4B-EXL-303RE four-bolt flange mounted bearing. Heavy-duty EXL tapered roller bearing with 3-3/16" bore, ductile iron housing, triple-lip contact seal, and setscrew shaft attachment. Rated for 1640 RPM max speed and 108,600 lbf static load***



## Product details:

- Catalog number: 077345
- SKU: 5002901
- Price: ***$1,669.50*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Dodge](https://www.mrosupply.com/brands/dodge/)
- Category: 
    - [4-Bolt Flange](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/flanged-mounted-bearings/4-bolt-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
- Weight: 61.000 lb
- Technicall support: contact supplier for technical support on +1-864-284-5700


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


## Product attributes;

  
- Bearing type: Tapered roller, tapered roller
  

  
- Bolt Diameter: 0.7500 in
  

  
- Bore length: 5.0000 in, 127.0 mm
  

  
- Expansion capability: Non-expansion (fixed)
  

  
- Greasable: Yes
  

  
- Housing construction: Split
  

  
- Housing material: Ductile Iron
  

  
- Housing type: Four-bolt flange
  

  
- I.D.: 4 1/5 in
  

  
- Insert material: Steel
  

  
- Lubrication type: Grease
  

  
- Max Speed: 1640 RPM
  

  
- Seal type: Triple-lip contact
  

  
- Shaft attachment: Setscrew
  

  
- Shaft diameter: 3.1875 in
  

  
- Static load capacity: 108600 lbf, 483076.867 N
  
## Product documents / software:

- [Dodge Type EXL Bearing](https://documents.mrosupply.com/product_documents/50/02/5002901/686856_e9VS0lz.pdf)
## Suggested products:
- [Dodge 057798 P2B-SCAH-012-HT two-bolt pillow block bearing with 3/4 inch bore. Cast iron housing, set screw locking, standard duty ball bearing insert. High temperature rated to 400°F. Non-expansion (fixed) design with single-lip seal.](https://www.mrosupply.com/products/123526/as-markdown/)
- [Dodge 068372 P2B-SC-20M-NLS two-bolt pillow block bearing with 20mm bore, 65-degree set screw locking, cast iron housing, standard duty rating, DualGuard seals, 204 series ball bearing insert, non-expansion design for fixed shaft positioning.](https://www.mrosupply.com/products/5002792/as-markdown/)
- [Dodge 056744 P2B-SC-25M-NL two-bolt pillow block bearing with 25mm bore, 65 degree setscrew locking, cast iron housing, normal duty, factory pre-greased no-lube sealed for life, 205 series ball bearing, non-expansion design.](https://www.mrosupply.com/products/6423543/as-markdown/)
- [Dodge 131983 P2B-SXVB-012 two-bolt pillow block bearing with 3/4" (19.05mm) bore, eccentric collar locking, intermediate duty cast iron housing, DualGuard seals, 204 series, non-expansion fixed mounting for general industrial applications.](https://www.mrosupply.com/products/125286/as-markdown/)
- [Dodge 123803 P2B-SC-012 two-bolt pillow block bearing with 3/4" bore, 65 degree set screw locking, standard duty rating, cast iron housing, DualGuard seals with flingers, 204 series ball bearing insert, non-expansion design.](https://www.mrosupply.com/products/123363/as-markdown/)

## Product's reviews:
- Txt4 parts order - The staff was very helpful identifying the part I needed.
- Great - great
- Bearings - Correct bearings, came the first time!
- Purchase review - I received quick replies to any questions; delivery was on time and immediate.
I am very satisfied with my experience with MRO Supply.




## 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.