# SealMaster EMSF-51 CPJ 4-Bolt Flange Bearing 3-3/16" Bore Set Screw Lock Gold Line - MROSupply.com

***SealMaster EMSF-51 CPJ 4-bolt flange bearing unit, 3-3/16" bore, Gold Line. Cast iron housing with 52100 bearing steel insert, black oxide coated, set screw lock, and felt labyrinth seal. Pre-lubricated for HVAC and general industrial applications.***



## Product details:

- Catalog number: EMSF-51 CPJ
- SKU: 2253679
- Price: ***$3,173.85*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [SealMaster](https://www.mrosupply.com/brands/sealmaster/)
- Category: 
    - [4-Bolt Flange](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/flanged-mounted-bearings/4-bolt-flange/)
    - [Flanged Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/flanged-mounted-bearings/)
    - [Mounted Ball Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/)
    - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 26.700 lb
- UPC: 662461127094
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- Ability to Relubricate: Yes
  

  
- Bearing Insert Finish: Black Oxide
  

  
- Bearing Insert Material: 52100 Bearing Steel
  

  
- Bearing Type: Medium Duty
  

  
- Bolt Size (in): 3/4
  

  
- Bolt Spacing (in): 6.75
  

  
- Bore Diameter (in): 3.1875
  

  
- Bore Shape: Straight
  

  
- Cage Material: Brass
  

  
- Cage Type: Land Riding Retainer
  

  
- Dynamic Load Rating (lb): 18681
  

  
- End Cap: No
  

  
- Fixed vs. Expansion: Expansion
  

  
- Foot Height (in): 1
  

  
- Grease Fitting Thread Size: 1/4 NPT
  

  
- Height: 4
  

  
- Housing: Flange, Four Bolt
  

  
- Housing Backside Inner Diameter: 6
  

  
- Housing Coating: Powder Coated
  

  
- Housing Color: Black
  

  
- Housing Construction: One Piece
  

  
- Housing Material: Cast Iron
  

  
- Housing Style: Flange Block
  

  
- Inner Race Heat Treat Method: Zone-Hardened
  

  
- Inner Ring OD (in): 4.156
  

  
- Insert: AR-3-33
  

  
- Length: 8.75
  

  
- Length Through Bore (in): 3.375
  

  
- Lubricant: Lithium Complex NLGI 2 Grease
  

  
- Max Operating Temperature (F): 220
  

  
- Maximum Speed (RPM): 2125
  

  
- Misalignment Capability: ±2.0° Misalignment - Static Only
  

  
- Misalignment Type: Static Only
  

  
- Outer Ring Land Profile: Standard
  

  
- Overall Height (in): 3.531
  

  
- Overall Length (in): 8.44
  

  
- Overall Width (in): 8.44
  

  
- Pilot Configuration: No Pilot
  

  
- Radial Clearance: Standard
  

  
- Rolling element: Ball Bearing
  

  
- Seal: Felt Labyrinth Seal
  

  
- Shaft Locking Type: Set Screw
  

  
- Size Code: 2-37
  

  
- Static Load Rating (lb): 14496
  

  
- Width: 8.56
  


## Product's reviews:
- Solutions - Fast service, and excellent competitive price.
- Response - Very knowledgeable sales rep. Excellent delivery time. Very important when supply chains are challenging.
- Excelent - excelent
- Bearing - It was delivered on time




## 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.