# NTN SA4-65B Spherical Plain Bearing - 4" Bore, Steel-on-Steel, Maintenance-Free - MROSupply.com

***NTN SA4-65B spherical plain bearing with 4-inch bore and steel-on-steel sliding contact surface for heavy radial loads. Maintenance-free design suited for oscillating and tilting applications in construction, agricultural, and material handling equipment.***



## Product details:

- Catalog number: SA4-65B
- SKU: 270850
- Price: ***$425.66*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [NTN Bearing](https://www.mrosupply.com/brands/ntn-bearing/)
- Category: 
    - [Straight / Round Bore Spherical Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/spherical-roller-bearings/straight-round-bore-spherical-roller-bearings/)
    - [Spherical Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/spherical-roller-bearings/)
    - [Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 4.348 lb


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


## Product attributes;

  
- Height: 4.134
  

  
- Length: 4.134
  

  
- Width: 2.1654
  







## 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.