# SKF 1211 ETN9/C3 Self-Aligning Ball Bearing 55mm Bore Polyamide Cage C3 Clearance - MROSupply.com

***SKF 1211 ETN9/C3 self-aligning ball bearing, 55mm bore, 100mm OD, 21mm width. Two rows of balls in a spherical outer raceway compensate for shaft misalignment. Features an enhanced polyamide cage (ETN9) and C3 clearance. Constructed from bearing steel. Suitable for applications with shaft deflection or mounting misalignment.***



## Product details:

- Catalog number: 1211 ETN9/C3
- SKU: 319104
- Price: ***$134.80*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [SKF Bearing](https://www.mrosupply.com/brands/skf-bearing/)
- Category: 
    - [Self-Aligning Ball Bearings](htts://www.mrosupply.com/bearings/ball-bearings/self-aligning-ball-bearings/)
    - [Ball Bearings](htts://www.mrosupply.com/bearings/ball-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 1.576 lb


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


## Product attributes;

  
- Basic Dynamic Load Rating: 27.6 kN
  

  
- Basic Static Load Rating: 10.6 kN
  

  
- Bearing Material: Bearing steel
  

  
- Bearing Outer Ring Locating Feature: None
  

  
- Bore Diameter: 55 mm
  

  
- Bore Type: Cylindrical
  

  
- Cage: Non-metallic
  

  
- Coating: Without
  

  
- Dimension Type: Metric
  

  
- Inner Diameter (mm): 55.000
  

  
- Inner Ring Retaining Feature: None
  

  
- Limiting Speed: 9000 r/min
  

  
- Locating Feature Bearing: None
  

  
- Lubricant: None
  

  
- Lubricant (in Bearing): None
  

  
- Material/Treatment: Bearing steel
  

  
- Number of Rows: 2
  

  
- O.D. (in): 3 8/9
  

  
- Outer Diameter (mm): 100.000
  

  
- Pack Height: 116 mm
  

  
- Pack Length: 114 mm
  

  
- Pack Width: 26 mm
  

  
- Radial Internal Clearance: C3
  

  
- Reference Speed: 14000 r/min
  

  
- Relubrication Feature: Without
  

  
- Seal Type: N/A
  

  
- Sealing: None
  

  
- Tolerance Class: Normal
  

  
- Width: 21 mm
  

  
- Width (mm): 21.000
  


## Product's reviews:
- Sales - GREAT PRODUCT CUSTOMER WILL PURCHASE AGAIN.
- Rateing - Fast service and very good supply.
- Purchase of bearing - exactly what we needed and it showed up in only 1 day thank you so much.
- Excellent! - The perfect part… and FAST shipping! Thank you!!




## 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.


- What is the difference between deep groove and angular contact ball bearings?: Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors.
Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes.
If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.