# NTN MU1309CAHV Cylindrical Roller Bearing - 45 mm Bore, Open, One Piece Steel Cage, Heavy-Industrial - MROSupply.com

***NTN MU1309CAHV is a heavy-industrial cylindrical roller bearing with a 45 mm straight bore. It features an open enclosure and a one-piece steel cage. The MU series is designed for high-load applications in industrial machinery such as gearboxes and mill housings.***



## Product details:

- Catalog number: MU1309CAHV
- SKU: 273095
- Price: ***$162.12*** 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: 2.040 lb


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


## Product attributes;

  
- a (in): 0.3118
  

  
- B (in): 1.7717
  

  
- b (in): 0.1098
  

  
- Bore Type: Round
  

  
- Bore type: Round
  

  
- C (in): 3.3902
  

  
- Cage Material: One Piece Steel
  

  
- Cage material: One piece steel
  

  
- Configuration: One
  

  
- D (in): 3.9388
  

  
- Dynamic Load Rating: 22900 lbf
  

  
- Dynamic load rating: 22900 lbf
  

  
- Enclosure: Open
  

  
- F (in): 2.5319
  

  
- 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): 0.0799
  

  
- r (in): 0.0598
  

  
- Radial Internal Clearance: CN
  

  
- Radial internal clearance: CN
  

  
- Static Load Rating: 25400 lbf
  

  
- Static load rating: 25400 lbf
  

  
- Tolerance: ISO class 0 (RBEC 1)
  

  
- Type: Cylindrical Roller Bearing
  

  
- U (Plain Rings): 2.2008 in
  

  
- V (Rib Rings): 2.3307 in
  

  
- W: 0.9843 in
  

  
- X (Plain Rings): 3.5591 in
  

  
- Z (Rib Rings): 3.3898 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/MU1309CAHV/bearingfinder_2d_pdf_fixed_MU1309CAHV_2LCLXSc.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.