# Smith Bearing CR-1-1/4 Stud-Type Cam Follower 1.250" OD 1/2-20 Thread Screwdriver Slot Sealed Needle Bearing - MROSupply.com

***Smith Bearing CR-1-1/4 stud-type cam follower with 1.250" roller OD, 1/2-20 UNF thread, and screwdriver slot drive. Features a sealed needle roller bearing with dynamic load rating of 4,470 lbs and static capacity of 4,300 lbs. Roller width is 0.750" with stud length of 1-1/4". Suitable for cam actuation and track applications.***



## Product details:

- Catalog number: CR-1-1/4
- SKU: 2788509
- Price: ***$20.97*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Smith Bearings](https://www.mrosupply.com/brands/smith-bearings/)
- Category: 
    - [Cam Followers](htts://www.mrosupply.com/bearings/cam-yoke-roller-bearings/cam-followers/)
    - [Cam & Yoke Roller Bearings](htts://www.mrosupply.com/bearings/cam-yoke-roller-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 0.320 lb
- Technicall support: contact supplier for technical support on 800-932-0076


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


## Product attributes;

  
- Basic Dynamic Rating (lbs): 4470
  

  
- Eff. Thread Min.: 5/8
  

  
- Lube Fitting Size: 3/16
  

  
- Max. Static Capacity (lbs): 4300
  

  
- Min. Boss Dia.: 3/4
  

  
- Oil Hole Dia.: 3/32
  

  
- Oil Hole Location: 5/16
  

  
- Recom. Bore: .5000
  

  
- Recom. Bore Tolerance: +.0005/-.0000
  

  
- Recom. Torque (lbs-in): 500
  

  
- Roller O.D.: 1.250
  

  
- Roller O.D. Tolerance: +.000/-.001
  

  
- Roller Width: .750
  

  
- Roller Width Tolerance: +.000/-.005
  

  
- SMITH Bearing Number: CR-1-1/4
  

  
- Stud Dia.: .500
  

  
- Stud Dia. Tolerance: +.001/-.000
  

  
- Stud Length: 1-1/4
  

  
- Thread U.N.F. Class 2A: 1/2-20
  
## Product documents / software:

- [2D CAD: PDF](https://documents.mrosupply.com/product_documents/CR/CR-1-1/4/CR-1-1-4_jNQxdwU.pdf)
- [Plane](https://documents.mrosupply.com/product_documents/CR/CR-1-1/4-X/f7d19c7b-9d79-4dc1-b06a-75d561ecf635_FHKXJPd.JPG)
- [3D CAD: STP](https://documents.mrosupply.com/product_documents/CR/CR-1-1/4/CR-1-1_4_3_oB2jrzI.STP)

## Product's reviews:
- Cam folowers - Excellent price and service!




## 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.