# SealMaster RPB 307-C2 DA Mounted Tapered Roller Pillow Block 3-7/16" Bore Adapter Sleeve Type E - MROSupply.com

***SealMaster RPB 307-C2 DA mounted tapered roller pillow block bearing unit, 3-7/16" bore, adapter sleeve mounting, double collar lock. Cast iron housing, Type E interchangeable design. Supports combined radial and axial loads in heavy industrial applications such as conveyors and bulk material handling.***



## Product details:

- Catalog number: RPB 307-C2 DA
- SKU: 2790431
- Price: ***$1,550.07*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [SealMaster](https://www.mrosupply.com/brands/sealmaster/)
- Category: 
    - [2-Bolt Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/pillow-block-bearings/2-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: 56.000 lb
- UPC: 662461386842
- 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
  

  
- Base to Center Height (in): 3.75
  

  
- Base Width (in): 4.125
  

  
- Bearing Insert Coating: Uncoated
  

  
- Bolt Center Max (in): 10.125
  

  
- Bolt Center Min (in): 11.25
  

  
- Bolt Size (in): 0.875
  

  
- Bore Shape: Straight
  

  
- Centerline to Front Face (in): 2.5
  

  
- Collar OD (in): 5.438
  

  
- Duty: Standard
  

  
- End Cap: No
  

  
- Expansion: No
  

  
- Foot Height (in): 2
  

  
- Grease Fitting Thread Size: 1/8 NPT
  

  
- Height: 9.63
  

  
- Housing: Pillow Block, Two Bolt
  

  
- Housing Base: Solid
  

  
- Housing Color: Gray
  

  
- Housing Construction: Split Two Piece
  

  
- Housing Material: Cast Iron
  

  
- Housing Style: Pillow Block
  

  
- I.D.: 3.4375
  

  
- Inner Race Heat Treat Method: Case Carburized Inner Ring
  

  
- Insert Material: 52100 Bearing Steel
  

  
- Insert Number: RCI 307C DA
  

  
- Internal Clearance: Standard
  

  
- Length: 16.5
  

  
- Locking: Double Collar Mount
  

  
- Lubrication Type: Lithium; EP; NLGI#2
  

  
- Max Operating Temperature (F): 220
  

  
- Maximum Speed (RPM): 1500
  

  
- Measure Unit: Inch
  

  
- Misalignment Capability: ±3.0° Misalignment - Static Only
  

  
- Misalignment Type: Static Only
  

  
- Outer Ring Land Profile: Standard
  

  
- Overall Height (in): 7.75
  

  
- Overall Length (in): 13.75
  

  
- Overall Width (in): 5
  

  
- Pilot Configuration: No Pilot
  

  
- Platform: RPB Series
  

  
- Radial Dynamic Load Capacity (lb): 15320
  

  
- Replaceable Insert: Yes
  

  
- Retainer Material: Steel
  

  
- Seal: Single Lip Contact Seal
  

  
- Width: 6.75
  


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




## 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.