# NTN 23124EMW33 Spherical Roller Bearing - 120 mm Straight Bore, Machined Brass Cage, Annular Lube Groove - MROSupply.com

***NTN 23124EMW33 is a 231 series spherical roller bearing with a 120 mm straight bore. It features a machined brass cage and an annular lube groove (W33) for effective lubrication. Designed for heavy-duty industrial applications such as gearboxes, conveyors, and vibrating screens.***



## Product details:

- Catalog number: 23124EMW33
- SKU: 2170998
- Price: ***$946.43*** 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: 17.130 lb
- UPC: 4547359809152


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


## Product attributes;

  
- B (in): 2.4409
  

  
- Bore type: Round
  

  
- Bore Type: Round
  

  
- Cage material: Brass
  

  
- Cage Material: Brass
  

  
- Cage type: Machined
  

  
- Cage Type: Machined
  

  
- D (in): 7.8740
  

  
- d (in): 4.7244
  

  
- d0: 0.1772 in
  

  
- D1: 6.8110 in
  

  
- d1: 5.4331 in
  

  
- Da max: 7.4409 in
  

  
- da min: 5.1575 in
  

  
- Dynamic load rating: 149000 lbf
  

  
- Dynamic Load Rating: 149000 lbf
  

  
- e: 0.28
  

  
- Enclosure: Open
  

  
- I.D.: 120 mm
  

  
- Limiting speed - grease: 2000 RPM
  

  
- Limiting Speed - Grease: 2000 RPM
  

  
- Limiting speed - oil: 2500 RPM
  

  
- Limiting Speed - Oil: 2500 RPM
  

  
- Material: Through Hardened Steel
  

  
- O.D.: 200 mm
  

  
- 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
  

  
- ras max: 0.0787 in
  

  
- Ring modification: Relube
  

  
- Ring Modification: Relube
  

  
- Series: 231
  

  
- Static load rating: 184000 lbf
  

  
- Static Load Rating: 184000 lbf
  

  
- Tolerance: JIS-0 RBEC-1
  

  
- Type: Spherical Roller Bearing
  

  
- W0: 0.3937 in
  

  
- Y0: 2.37
  

  
- Y1: 2.43
  

  
- Y2: 3.61
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/50/49/5049084/1117_S_ilBBh0b.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.