# NTN N1018 4-Bolt Flange Bearing - 90 mm Bore, Set Screw Lock, Cast Iron Housing - MROSupply.com

***NTN N1018 4-bolt square flange bearing with 90 mm bore, set screw locking, and cast iron housing. This mounted ball bearing unit is designed for general industrial applications including conveyors, fans, and blowers. The housing provides rigid support and the insert is pre-lubricated for immediate use.***



## Product details:

- Catalog number: N1018
- SKU: 272906
- Price: ***$484.30*** 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 Cylindrical Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/cylindrical-roller-bearings/straight-round-bore-cylindrical-roller-bearings/)
    - [Cylindrical Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/cylindrical-roller-bearings/)
    - [Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 2.926 lb
- UPC: 4547359149579


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


## Product attributes;

  
- B (in): 0.9449
  

  
- Bore Type: Round
  

  
- Bore type: Round
  

  
- Cage Material: Machined Carbon Steel
  

  
- Cage material: Machined carbon steel
  

  
- Configuration: One
  

  
- D (in): 5.5118
  

  
- d (in): 3.5433
  

  
- Da max: 5.1969 in
  

  
- da min: 3.7992 in
  

  
- Db max: 5.2559 in
  

  
- Db min: 5.2559 in
  

  
- db min: 3.8583 in
  

  
- Dynamic Load Rating: 19800 lbf
  

  
- Dynamic load rating: 19800 lbf
  

  
- Enclosure: Open
  

  
- Ew: 5.0000 in
  

  
- I.D.: 90 mm
  

  
- J (in): 4.2441
  

  
- Limiting Speed - Grease: 5100 RPM
  

  
- Limiting speed - grease: 5100 RPM
  

  
- Limiting Speed - Oil: 5900 RPM
  

  
- Limiting speed - oil: 5900 RPM
  

  
- Material: Hardened alloy steel
  

  
- O.D.: 140 mm
  

  
- Oil Hole: w/o Oil Hole
  

  
- Oil hole: w/o Oil Hole
  

  
- Precision: ISO class 0
  

  
- r (in): 0.0591
  

  
- r1as max: 0.0591 in
  

  
- Radial Internal Clearance: CN
  

  
- Radial internal clearance: CN
  

  
- Static Load Rating: 25600 lbf
  

  
- Static load rating: 25600 lbf
  

  
- Type: Cylindrical Roller Bearing
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/50/48/5048143/1298_S_j2K0fKu.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.