# Dodge 066373 P4B-SD-312 Four-Bolt Pillow Block Bearing 3-3/4" Bore Clamp Collar Tapered Roller - MROSupply.com

***Dodge 066373 P4B-SD-312 four-bolt pillow block bearing with 3-3/4" bore, tapered roller insert, clamp collar locking, cast iron housing, non-expansion fixed design for heavy-duty industrial applications.***



## Product details:

- Catalog number: 066373
- SKU: 123162
- Price: ***$11,370.17*** 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: 215.000 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: 6.3800 in, 162.052 mm
  

  
- Bearing type: Tapered roller, tapered roller
  

  
- Bolt Diameter: 0.8750 in
  

  
- Bolt to bolt max: 16.0000 in, 406.4 mm
  

  
- Bolt to bolt min: 15.0000 in, 381.0 mm
  

  
- Bolt width: 3.2500 in, 82.55 mm
  

  
- Bore length: 8.5000 in, 215.9 mm
  

  
- Expansion capability: Non-expansion (fixed)
  

  
- Greasable: Yes
  

  
- Housing construction: Split
  

  
- Housing material: Cast iron
  

  
- Housing type: Four-bolt pillow block
  

  
- Insert material: Steel
  

  
- Locking: Clamp collar
  

  
- Lubrication type: Grease
  

  
- Max Speed: 1250 RPM
  

  
- Rolling element: Tapered roller
  

  
- Shaft attachment: Tapered adapter
  

  
- Shaft diameter: 3.7500 in
  

  
- Take-up frame size: HD-400
  
## Product documents / software:

- [Instruction Manual](https://documents.mrosupply.com/product_documents/12/31/123162/321593_TwSRDIf.pdf)
- [2D DXF front](https://documents.mrosupply.com/product_documents/06/066373/baldor2d_066373_front_gSJrDyR.dxf)
- [2D DXF right](https://documents.mrosupply.com/product_documents/06/066373/baldor2d_066373_right_X6Cg4qE.dxf)
- [2D DXF top](https://documents.mrosupply.com/product_documents/06/066373/baldor2d_066373_top_3PHhD09.dxf)
- [3D DXF](https://documents.mrosupply.com/product_documents/06/066373/baldor3d_066373_EXVJUIw.dxf)
- [3D DXF](https://documents.mrosupply.com/product_documents/06/066373/baldor3d_066373_Vi9Fr0F.dxf)
## Suggested products:
- [Dodge 023210 P4B-K-315RE four-bolt pillow block bearing with 4" bore, set screw locking, tapered roller insert, cast iron housing, expansion (float) design, Trident triple-lip seal, 1530 rpm maximum speed, black oxide finish, for heavy-duty industrial applications.](https://www.mrosupply.com/products/125111/as-markdown/)
- [Dodge 023409 P4B-DI-315RE four-bolt pillow block bearing with 3-15/16" bore, double interlock tapered roller heavy duty design. Cast iron housing, expansion (float) capable, Trident triple-lip seal, set screw locking, black oxide finish, 1530 rpm maximum speed. For high-load industrial applications.](https://www.mrosupply.com/products/122754/as-markdown/)
- [Dodge 037629 P4B526-TAF-408RE four-bolt pillow block bearing with 4-1/2" bore, tapered roller insert, setscrew locking, expansion (float) design, cast iron housing, greasable, for heavy-duty industrial applications.](https://www.mrosupply.com/products/125442/as-markdown/)
- [Dodge 066373 P4B-SD-312 four-bolt pillow block bearing with 3-3/4" bore, tapered roller insert, clamp collar locking, cast iron housing, non-expansion fixed design for heavy-duty industrial applications.](https://www.mrosupply.com/products/123162/as-markdown/)
- [Dodge 016373 Raptor coupling size 50 hub, rated torque 7656 lb-in, maximum speed 4200 RPM. Split natural rubber element design for easy installation and reduced total cost of ownership. Elastomeric element absorbs vibration and shock loads in industrial power transmission applications.](https://www.mrosupply.com/products/5001934/as-markdown/)

## Product's reviews:
- Replacement pillow block bearing - I ordered 2 Dodge Pillow block bearings to replace replace a failed bearing on my chipper and to replace a second bearing as a precaution. I received the both bearings promptly, but discovered that the failed bearing also damaged it's housing. Since the housing without a bearing doesn't seem to be readily available, I requested to return the one bearing and replace it with the complete pillow (housing with bearing). Since I was getting an entirely different part, MROSupply customer support suggested that I get a full refund for the bearing and place a new order for the pillow block (housing with bearing). I have received the pillow block and am waiting for the refund which I expect to receive very soon.
- Director - Great costumer care
- Great - great
- Bearring - Perfect




## 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.