# Smith Bearing MPCR-90 Smith-Trax Metric Plain Stud Track Roller 90mm OD M30x3.5 Thread TRB - MROSupply.com

***Smith Bearing MPCR-90 Smith-Trax metric plain stud track roller with 90mm roller OD, M30x3.5 thread, and 52mm roller width. Unsealed, non-crowned stud-type design uses tapered roller bearing (TRB) with radial dynamic rating of 63,600 N and static capacity of 89,000 N. Hex size 12 mm, stud length 69.5 mm, shoulder width 44.5 mm, dynamic thrust load rating 25,700 N at 500 hrs 33 rpm.***



## Product details:

- Catalog number: MPCR-90
- SKU: 860238
- Price: ***$130.96*** 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: 5.842 lb
- Technicall support: contact supplier for technical support on 800-932-0076


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


## Product attributes;

  
- Bearing Type: TRB
  

  
- Dynamic Thrust Load Rating 500 hrs. 33 rpm.: 25,700
  

  
- Eff. Thread Min.: 40
  

  
- Hex Size: 12
  

  
- Max. Static Capacity (newtons): 89,000
  

  
- Radial Basic Dynamic Rating 500 hrs. 33 rpm.: 63,600
  

  
- Roller O.D.: 90
  

  
- Roller O.D. Tolerance: +0.00/-0.02
  

  
- Roller Width: 52.0
  

  
- Shoulder Width Or End Plate Diameter: 44.5
  

  
- SMITH Bearing Number: MPCR-90
  

  
- Stud Dia.: 30
  

  
- Stud Dia. Tolerance: +0.00/-0.02
  

  
- Stud Length: 69.5
  

  
- Thread: M30 X 3.5
  
## Product documents / software:

- [Plane](https://documents.mrosupply.com/product_documents/MP/MPCR-200/c67a01e3-50fd-4231-8dab-14fc6e86f1c3_GWM0jCO.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.