# NTN HPS108GR Heavy Duty Disc Harrow Bearing - Hex Bore, Double Sealed, Spherical O.D., Steel Cage - MROSupply.com

***NTN HPS108GR heavy duty disc harrow bearing with hex bore and spherical outer diameter. Double sealed enclosure and steel cage. Through hardened steel construction for durability in agricultural disc harrow applications.***



## Product details:

- Catalog number: HPS108GR
- SKU: 274915
- Price: ***$108.87*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [NTN Bearing](https://www.mrosupply.com/brands/ntn-bearing/)
- Category: 
    - [Components & Accessories Mounted Ball Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/components-accessories-mounted-ball-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: 1.221 lb


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


## Product attributes;

  
- B (0/-0.0047): 1.1811 in
  

  
- Ball Material: Steel
  

  
- Ball material: Steel
  

  
- Bore Type: Hex
  

  
- Bore type: Hex
  

  
- C (0/-0.0047): 0.7480 in
  

  
- Cage Material: Steel
  

  
- Cage material: Steel
  

  
- Cage Type: Pressed
  

  
- Cage type: Pressed
  

  
- Clearance: CN
  

  
- Configuration: One
  

  
- D (in): 3.3465
  

  
- d (in): 1.5354
  

  
- Dynamic Load Rating: 7300 lbf
  

  
- Dynamic load rating: 7300 lbf
  

  
- Enclosure: Double Sealed
  

  
- H (0.0050/0): 1.5010 in
  

  
- I.D.: 38.125 mm
  

  
- Lubrication: Relubricatable
  

  
- Material: Through hardened steel
  

  
- O.D.: 85 mm
  

  
- Operating Temperature Range: -40 to 250 °F
  

  
- Operating temperature range: -40 to 250 ºF
  

  
- Outside Ring Type: Spherical
  

  
- Precision Rating: ISO Class 0
  

  
- Precision rating: ISO class 0
  

  
- R (in): 0.0098
  

  
- Seal Material: Nitrile Rubber
  

  
- Seal material: Nitrile rubber
  

  
- Seal Type: Contact
  

  
- Seal type: Contact
  

  
- Shaft size: 1.500 in
  

  
- Static Load Rating: 4600 lbf
  

  
- Static load rating: 4600 lbf
  

  
- Type: Heavy Duty Disc Bearing
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/64/54/6454553/1218_S_MMa8txf.png)
- [Drawing](https://documents.mrosupply.com/product_documents/HP/HPS103TP2/1218_S_XFNAGzV.png)






## 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.