# FAG 51205 Single Direction Thrust Ball Bearing, 25mm Bore, 47mm OD - MROSupply.com

***FAG 51205 single direction thrust ball bearing with 25mm bore and 47mm OD. Designed for axial loads in one direction, this bearing offers reliable performance in moderate-speed applications. Precision-ground raceways ensure smooth operation. Ideal for machine tool spindles, clutches, and gearboxes.***



## Product details:

- Catalog number: 51205
- SKU: 2171509
- Price: ***$49.64*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [FAG Bearing](https://www.mrosupply.com/brands/fag-bearing/)
- Category: 
    - [Ball Thrust Bearings](htts://www.mrosupply.com/bearings/ball-bearings/ball-thrust-bearings/)
    - [Ball Bearings](htts://www.mrosupply.com/bearings/ball-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 4.233 lb
- UPC: 4012801016452


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


## Product attributes;

  
- Bearing Material: Steel
  

  
- Cage Material: Steel
  

  
- Fillet Radius: 0.6 mm
  

  
- I.D.: 0.984
  

  
- Max Rpm: 5500 rpm
  

  
- O.D.: 1.85
  

  
- O.D. Design: Straight
  

  
- Operating Temperature Range: -30 to +150°C
  

  
- Overall Width: 15 mm
  

  
- Precision Rating: Not Rated
  

  
- Product Type: Ball Thrust Bearings
  

  
- Race Type: Grooved
  

  
- Radial Dynamic Load Capacity: 5000 lbf
  

  
- Separable Or Banded: Separable
  

  
- Series: 51200
  

  
- Standards Met: DIN 711, ISO 104
  

  
- Thrust Bearing Type: Single-Direction
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/21/74/2174764/000074DC_a_aH6VDjp.png)
- [Drawing 1](https://documents.mrosupply.com/product_documents/51/51420MP/108218_aah_ind.gif)
- [Drawing 2](https://documents.mrosupply.com/product_documents/51/51420MP/108224_aah_ind.gif)
## Alternate products to `FAG 51205 Single Direction Thrust Ball Bearing, 25mm Bore, 47mm OD - MROSupply.com`:
- [SKF 51205 is a 25mm bore thrust ball bearing with a sheet metal cage. Designed for axial loads in one direction, it accommodates moderate speeds and is suitable for machine tool spindles, clutches, and gearboxes.](https://www.mrosupply.com/products/320550/as-markdown/)
- [NSK 51205 thrust ball bearing with 25 mm bore. Designed for pure axial loads in vertical-shaft applications. Backed by NSK's precision-bearing engineering heritage.](https://www.mrosupply.com/products/5032833/as-markdown/)
- [NTN 51205 is a single-direction thrust ball bearing with a 25 mm straight bore. It belongs to the 51 series and is designed for axial loads in one direction. Common applications include machine tool spindles, clutches, and vertical shafts.](https://www.mrosupply.com/products/283299/as-markdown/)
- [Rollway 51205 BALL THRUST 51100-51400](https://www.mrosupply.com/products/2302291/as-markdown/)






## 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.