# NTN 23168BL1KW33C3 Spherical Roller Bearing - 340 mm Bore, Brass Cage, C3 Clearance, Annular Lube Groove - MROSupply.com

***NTN 23168BL1KW33C3 is a 231 series spherical roller bearing with a 340 mm straight bore. It features a brass cage, C3 clearance, and an annular lube groove with three lube holes (W33). The open design is suitable for heavy-duty industrial applications such as gearboxes, mining equipment, and paper mills.***



## Product details:

- Catalog number: 23168BL1KW33C3
- SKU: 5048980
- Price: ***$26,783.04*** 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: 449.742 lb
- UPC: 4547359283525


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


## Product attributes;

  
- B (in): 7.4803
  

  
- Bore type: Tapered
  

  
- Bore Type: Tapered
  

  
- Cage material: Brass
  

  
- Cage Material: Brass
  

  
- Cage type: Machined
  

  
- Cage Type: Machined
  

  
- D (in): 22.8346
  

  
- d (in): 13.3858
  

  
- d0: 0.6299 in
  

  
- Da max: 21.9685 in
  

  
- da min: 14.2520 in
  

  
- Dynamic load rating: 810000 lbf
  

  
- Dynamic Load Rating: 810000 lbf
  

  
- e: 0.33
  

  
- Enclosure: Open
  

  
- I.D.: 340 mm
  

  
- Limiting speed - grease: 520 RPM
  

  
- Limiting Speed - Grease: 520 RPM
  

  
- Limiting speed - oil: 680 RPM
  

  
- Limiting Speed - Oil: 680 RPM
  

  
- Material: Through Hardened Steel
  

  
- O.D.: 580 mm
  

  
- Operating temperature range: -40 to 250 ºF
  

  
- Operating Temperature Range: -40 to 250 °F
  

  
- r (in): 0.1969
  

  
- Radial internal clearance: C3
  

  
- Radial Internal Clearance: C3
  

  
- ras max: 0.1575 in
  

  
- Ring modification: Relube
  

  
- Ring Modification: Relube
  

  
- Series: 231
  

  
- Static load rating: 1480000 lbf
  

  
- Static Load Rating: 1480000 lbf
  

  
- Taper: 1:12
  

  
- Tolerance: JIS-0 RBEC-1
  

  
- Type: Spherical Roller Bearing
  

  
- W0: 1.0630 in
  

  
- Y0: 2.01
  

  
- Y1: 2.05
  

  
- Y2: 3.06
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/50/49/5049077/1127_S_PmbuUjR.png)
- [2D Sectional View PDF](https://documents.mrosupply.com/product_documents/23/23168BL1KW33C3/bearingfinder_2d_pdf_fixed_23168BL1KW33C3_1Nv6Vqo.pdf)






## 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.