# NTN 22230EMKW33 Spherical Roller Bearing - 150 mm Bore, Machined Brass Cage, Annular Lube Groove - MROSupply.com

***NTN 22230EMKW33 is a 222 series spherical roller bearing with a 150 mm straight bore. It features a machined brass cage and an annular lube groove with three lube holes (W33). Designed for heavy-duty industrial applications such as gearboxes, vibrating screens, and paper mills.***



## Product details:

- Catalog number: 22230EMKW33
- SKU: 5048226
- Price: ***$1,518.03*** 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: 39.022 lb
- UPC: 4550253103240


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


## Product attributes;

  
- B (in): 2.8740
  

  
- Bore type: Tapered
  

  
- Bore Type: Tapered
  

  
- Cage material: Brass
  

  
- Cage Material: Brass
  

  
- Cage type: Machined
  

  
- Cage Type: Machined
  

  
- d (in): 5.9055
  

  
- D (in): 10.6299
  

  
- d0: 0.2756 in
  

  
- D1: 9.5276 in
  

  
- d1: 6.9685 in
  

  
- Da max: 10.0787 in
  

  
- da min: 6.4567 in
  

  
- Dynamic load rating: 243000 lbf
  

  
- Dynamic Load Rating: 243000 lbf
  

  
- e: 0.25
  

  
- Enclosure: Open
  

  
- I.D.: 150 mm
  

  
- Limiting speed - grease: 1800 RPM
  

  
- Limiting Speed - Grease: 1800 RPM
  

  
- Limiting speed - oil: 2300 RPM
  

  
- Limiting Speed - Oil: 2300 RPM
  

  
- Material: Through Hardened Steel
  

  
- O.D.: 270 mm
  

  
- Operating temperature range: -40 to 400 ºF
  

  
- Operating Temperature Range: -40 to 400 °F
  

  
- r (in): 0.1181
  

  
- Radial internal clearance: CN
  

  
- Radial Internal Clearance: CN
  

  
- ras max: 0.1181 in
  

  
- Ring modification: Relube
  

  
- Ring Modification: Relube
  

  
- Series: 222
  

  
- Static load rating: 274000 lbf
  

  
- Static Load Rating: 274000 lbf
  

  
- Taper: 1:12
  

  
- Tolerance: JIS-0 RBEC-1
  

  
- Type: Spherical Roller Bearing
  

  
- W0: 0.5906 in
  

  
- Width: 73 mm
  

  
- Y0: 2.68
  

  
- Y1: 2.74
  

  
- Y2: 4.08
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/24/24134EMK30W33/1127_S_AypQkI1.png)
- [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.