# Smith Bearing MCR-30-B Metric Stud-Type Cam Follower 30mm OD M12x1.5 Thread Hex Head Sealed - MROSupply.com

***Smith Bearing MCR-30-B metric stud-type cam follower with 30mm roller OD, M12x1.5 thread, and hex head slot. Features a caged needle bearing design, dynamic load rating of 8100 N, static load rating of 9700 N, and maximum speed of 11000 RPM. Overall length 40mm, stud length 25mm, roller width 14mm.***



## Product details:

- Catalog number: MCR-30-B
- SKU: 2789186
- Price: ***$62.91*** 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: 0.203 lb
- Technicall support: contact supplier for technical support on 800-932-0076


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


## Product attributes;

  
- Additional note4: Tolerance for C Raceway Width is +0.00/-0.12 mm
  

  
- B2: 6
  

  
- Basic Dynamic Load Rating (newtons): 8100
  

  
- Basic Load Rating (Track Roller) Static (newtons): 8400
  

  
- Basic Static Load Rating (newtons): 9700
  

  
- C1: 0.6
  

  
- d2: 23
  

  
- M: 6
  

  
- M1: 3
  

  
- Mass (grams): 92
  

  
- Max. Speed (rpm): 11000
  

  
- Overall Length (mm): 40
  

  
- Roller O.D. (mm): 30
  

  
- Roller Width (mm): 14
  

  
- rs: 0.60
  

  
- SMITH Bearing Number: MCR-30-B
  

  
- Stud Dia. (mm): 12
  

  
- Stud Length (mm): 25
  

  
- Thread (mm): M12 x 1.5
  

  
- Thread Length (mm): 13
  

  
- Track Roller Dynamic Load(newtons): 6800
  
## Product documents / software:

- [Plane](https://documents.mrosupply.com/product_documents/MC/MCR-26-B/f3f47ef4-f529-485e-9ba6-535a0da6204c_6PUagMf.JPG)

## 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.