# NTN MU1308CHL Cylindrical Roller Bearing - 40 mm Bore, Straight Bore, Composite Steel Cage, Open - MROSupply.com

***NTN MU1308CHL cylindrical roller bearing with 40 mm straight bore. This MU series heavy-industrial bearing features a separable outer ring, inner ring with two ribs, plain outer ring with dowel hole, and a composite steel cage. Open enclosure design for industrial machinery applications.***



## Product details:

- Catalog number: MU1308CHL
- SKU: 273102
- Price: ***$121.21*** 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: 1.653 lb


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


## Product attributes;

  
- a (in): 0.3118
  

  
- B (in): 1.5748
  

  
- b (in): 0.1098
  

  
- Bore Type: Round
  

  
- Bore type: Round
  

  
- C (in): 3.0579
  

  
- Cage Material: Composite Steel
  

  
- Cage material: Composite steel
  

  
- Configuration: One
  

  
- D (in): 3.5433
  

  
- Dynamic Load Rating: 19600 lbf
  

  
- Dynamic load rating: 19600 lbf
  

  
- Enclosure: Open
  

  
- F (in): 2.2441
  

  
- Material: Hardened alloy steel
  

  
- Oil Hole: w/o Oil Hole
  

  
- Oil hole: w/o Oil Hole
  

  
- Operating Temperature Range: -40 to 250 °F
  

  
- Operating temperature range: -40 to 250 ºF
  

  
- R (in): 0.0598
  

  
- r (in): 0.0598
  

  
- Radial Internal Clearance: CN
  

  
- Radial internal clearance: CN
  

  
- Static Load Rating: 20800 lbf
  

  
- Static load rating: 20800 lbf
  

  
- Tolerance: ISO class 0 (RBEC 1)
  

  
- Type: Cylindrical Roller Bearing
  

  
- U (Plain Rings): 1.9291 in
  

  
- V (Rib Rings): 2.0512 in
  

  
- W: 0.9055 in
  

  
- X (Plain Rings): 3.2008 in
  

  
- Z (Rib Rings): 3.0512 in
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/27/30/273094/1312_S_g1DDu4e.png)
- [2D Sectional View PDF](https://documents.mrosupply.com/product_documents/MU/MU1308CHL/bearingfinder_2d_pdf_fixed_MU1308CHL_rWtmV0r.pdf)
## Alternate products to `NTN MU1308CHL Cylindrical Roller Bearing - 40 mm Bore, Straight Bore, Composite Steel Cage, Open - MROSupply.com`:
- [N308 BORE: 40 MILLIMETER OUTER DIAMETER: 90 WIDTH: 23](https://www.mrosupply.com/products/208180/as-markdown/)
- [NSK N308W N-type cylindrical roller bearing with 40 mm bore. It features a pressed steel cage and a separable design with no flanges on the inner ring, accommodating axial expansion. This bearing carries high radial loads at moderate to high speeds in gearboxes, generators, and rolling-mill drives.](https://www.mrosupply.com/products/5036562/as-markdown/)






## 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.
