# Timken 211KG Deep Groove Ball Bearing, 55mm Bore, 100mm OD, 21mm Width, Open Design - MROSupply.com

***Timken 211KG deep groove radial ball bearing with 55mm bore, 100mm outside diameter, and 21mm width. Open design for custom lubrication in electric motors, pumps, and general industrial machinery. Single row, Conrad-type construction for reliable radial load support.***



## Product details:

- Catalog number: 211KG
- SKU: 5069464
- Price: ***$84.33*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- Category: 
    - [Single Row Angular Contact Bearings](htts://www.mrosupply.com/bearings/ball-bearings/angular-contact-ball-bearings/single-row-angular-contact-bearings/)
    - [Angular Contact Ball Bearings](htts://www.mrosupply.com/bearings/ball-bearings/angular-contact-ball-bearings/)
    - [Ball Bearings](htts://www.mrosupply.com/bearings/ball-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 1.400 lb
- Returns: Yes


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


## Product attributes;

  
- 0.8268 in Design units: Metric Inner ring backing diameter:61.20 mm
  

  
- 2.4094 in Limiting speed (grease): 3871 rpm Limiting speed (oil):4516 rpm Manufacturing part number:211KG Z6 FS50000 O.D. (in):100 mm 3.937 Outer ring backing diameter:93.50 mm
  

  
- 3.6811 in Static radial rating: 29200 N
  

  
- Ball type: Steel Bearing width:21 mm
  

  
- Ball Type: STEEL
  

  
- Bearing Width: 21 mm 0.8268 in
  

  
- Bore: 55 mm
  

  
- C0 - Static Radial Rating: 29200 N 6570 lbf
  

  
- Ce - Dynamic Radial Rating: 48100 N 10800 lbf
  

  
- d - Bore: 55 mm
  

  
- D - Outer Diameter: 100 mm 3.9370 in
  

  
- da - Inner Ring Backing Diameter: 61.20 mm 2.4094 in
  

  
- Da - Outer Ring Backing Diameter: 93.50 mm 3.6811 in
  

  
- Design Units: Metric
  

  
- DOuter Ring Backing Diameter: 93.50 mm 3.6811 in
  

  
- Dynamic Radial Rating: 48100 N 10800 lbf
  

  
- I.D.: 55 mm
  

  
- Inner Ring 'To Clear' Radius: 1.5 mm 0.059 in
  

  
- Inner Ring Backing Diameter: 61.20 mm 2.4094 in
  

  
- Limiting Speed (Grease): 3871 rpm
  

  
- Limiting Speed (Oil): 4516 rpm
  

  
- Manufacturing Part Number: 211KG Z6 FS50000
  

  
- Outer Diameter: 100 mm 3.9370 in
  

  
- Outer Ring 'To Clear' Radius: 1.5 mm 0.059 in
  

  
- R - Inner Ring "To Clear" Radius: 1.5 mm 0.059 in
  

  
- r - Outer Ring "To Clear" Radius: 1.5 mm 0.059 in
  

  
- Static Radial Rating: 29200 N 6570 lbf
  
## Product documents / software:

- [Fafnir Deep Groove Ball Bearings 9100k 200k](https://documents.mrosupply.com/product_documents/50/69/5069464/211kg_jJzkemE)

## Product's reviews:
- Best company to buy from - I always buy from MRO is a very reliable company to work with




## 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.