# NTN 23120EMKW33 Spherical Roller Bearing - 100 mm Bore, Machined Brass Cage, Annular Lube Groove - MROSupply.com

***NTN 23120EMKW33 is a 231 series spherical roller bearing with a 100 mm straight bore. It features a machined brass cage and an annular lube groove with three lube holes (W33). This bearing is designed for heavy-duty industrial applications such as gearboxes, conveyors, and vibrating screens.***



## Product details:

- Catalog number: 23120EMKW33
- SKU: 2170988
- Price: ***$2,544.52*** 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: 9.348 lb
- UPC: 3413520413743


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


## Product attributes;

  
- B (in): 2.0472
  

  
- Bore type: Tapered
  

  
- Bore Type: Tapered
  

  
- Cage material: Steel
  

  
- Cage Material: Steel
  

  
- Cage type: Pressed
  

  
- Cage Type: Pressed
  

  
- d (in): 3.9370
  

  
- D (in): 6.4961
  

  
- d0: 0.1575 in
  

  
- Da max: 6.0630 in
  

  
- da min: 4.3701 in
  

  
- Dynamic load rating: 104000 lbf
  

  
- Dynamic Load Rating: 104000 lbf
  

  
- e: 0.28
  

  
- Enclosure: Open
  

  
- Limiting speed - grease: 2400 RPM
  

  
- Limiting Speed - Grease: 2400 RPM
  

  
- Limiting speed - oil: 3000 RPM
  

  
- Limiting Speed - Oil: 3000 RPM
  

  
- Material: Through Hardened Steel
  

  
- Operating temperature range: -40 to 400 ºF
  

  
- Operating Temperature Range: -40 to 400 °F
  

  
- r (in): 0.0787
  

  
- Radial internal clearance: CN
  

  
- Radial Internal Clearance: CN
  

  
- Radial internal clearance specification: Normal
  

  
- Radial Internal Clearance Specification: Normal
  

  
- ras max: 0.0787 in
  

  
- Ring modification: Relube
  

  
- Ring Modification: Relube
  

  
- Series: 231
  

  
- Static load rating: 127000 lbf
  

  
- Static Load Rating: 127000 lbf
  

  
- Taper: 1:12
  

  
- Type: Spherical Roller Bearing
  

  
- W0: 0.3150 in
  

  
- Y0: 2.34
  

  
- Y1: 2.39
  

  
- Y2: 3.56
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/50/49/5049077/1127_S_PmbuUjR.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.