# Dodge 040991 P4B526-USAF-407LER Four-Bolt Pillow Block Bearing 4-7/16" Bore Spherical Roller - MROSupply.com

***Dodge 040991 P4B526-USAF-407LER four-bolt pillow block bearing with 4-7/16" bore, tapered adapter shaft attachment, and spherical roller insert. Split cast iron housing, non-expansion (fixed), labyrinth seal, greasable, sensor-ready. For heavy-duty applications.***



## Product details:

- Catalog number: 040991
- SKU: 125917
- Price: ***$2,760.80*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Dodge](https://www.mrosupply.com/brands/dodge/)
- 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/)
- Unit of measure: each
- Weight: 161.000 lb
- Technicall support: contact supplier for technical support on +1-864-284-5700


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


## Product attributes;

  
- Base to center height: 6.0000 in, 152.4 mm
  

  
- Bearing component: Mounted Bearing
  

  
- Bearing type: Spherical roller, spherical roller
  

  
- Bolt Diameter: 0.8750 in
  

  
- Bolt to bolt max: 16.0000 in, 406.4 mm
  

  
- Bolt to bolt min: 14.5000 in, 368.3 mm
  

  
- Bolt width: 3.2500 in, 82.55 mm
  

  
- Bore length: 7.5000 in, 190.5 mm
  

  
- Expansion capability: Non-expansion (fixed)
  

  
- Greasable: Yes
  

  
- Housing construction: Split
  

  
- Housing type: Four-bolt pillow block
  

  
- Insert material: Steel
  

  
- Lubrication type: Grease
  

  
- Max Speed: 1800 rpm
  

  
- Seal type: Labyrinth
  

  
- Sensor ready: Yes
  

  
- Shaft attachment: Tapered adapter
  

  
- Shaft diameter: 4.4375 in
  

  
- Static load capacity: 200000 lbf, 889644.323 N
  
## Product documents / software:

- [Catalog](https://documents.mrosupply.com/product_documents/12/42/124250/8803ec19-7eb6-429c-a82f-af2c012d7789_hZMGR1H.pdf)
## Suggested products:
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- [Dodge 042526 54LER407 spherical roller bearing insert with 2-7/16" bore for heavy-duty applications. Designed for high load capacity and misalignment accommodation, compatible with Dodge plummer block housings. Provides reliable performance in demanding industrial environments.](https://www.mrosupply.com/products/126456/as-markdown/)
- [Dodge 045913 22LER065M spherical roller bearing insert with 65mm bore for mounted roller bearing housings. Provides high radial and axial load capacity with self-aligning capability to accommodate shaft misalignment in demanding industrial applications. Designed for use in conveyor pulleys, fans, and heavy machinery where robust performance and extended service life are required.](https://www.mrosupply.com/products/128032/as-markdown/)
- [Dodge 040990 P4B522-USAF-315LER four-bolt pillow block mounted spherical roller bearing with 3-15/16" bore, tapered adapter shaft attachment, split cast iron housing, non-expansion fixed design, greasable, sensor-ready, for heavy-duty industrial applications.](https://www.mrosupply.com/products/130198/as-markdown/)
- [Dodge 040760 P4B522-USAF-400LER four-bolt pillow block bearing with 4" bore, tapered adapter shaft attachment, and spherical roller insert. Split cast iron housing, labyrinth seal, greasable, sensor-ready, non-expansion fixed type for heavy-duty applications.](https://www.mrosupply.com/products/124150/as-markdown/)

## Product's reviews:
- Bearings - Correct bearings, came the first time!
- Seal - Right product at a good price with fast delivery.
- Great - great
- Thanks mro - Right part fast shipping. Thanks




## 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.