# SKF F4B 25M-TF 4-Bolt Flange Bearing Unit 25mm Shaft Set Screw Locking Cast Iron Housing - MROSupply.com

***SKF F4B 25M-TF 25mm shaft 4-bolt flange bearing unit with set screw locking. The cast iron housing supports a pre-lubricated insert bearing. Suitable for conveyor drives, fan supports, and general industrial applications where a compact flange mounting is required.***



## Product details:

- Catalog number: F4B 25M-TF
- SKU: 5818419
- Price: ***$55.42*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [SKF Bearing](https://www.mrosupply.com/brands/skf-bearing/)
- Category: 
    - [4-Bolt Flange](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/flanged-mounted-bearings/4-bolt-flange/)
    - [Flanged Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/flanged-mounted-bearings/)
    - [Mounted Ball Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/)
    - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 1.596 lb


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


## Product attributes;

  
- Application: For material handling applications
  

  
- Attachment Bolt Diameter: 10 mm
  

  
- Basic Dynamic Load Rating: 14 kN
  

  
- Basic Static Load Rating: 7.8 kN
  

  
- Bearing Material: Bearing steel
  

  
- Bearing Sealing: Seal and flinger on both sides
  

  
- Bore Type: Cylindrical
  

  
- Centre Distance Between Bolt Holes: 69.9 mm
  

  
- Coating: Without
  

  
- Fastening Bolt Hole Type: Plain
  

  
- Flanged Housing Type: Square
  

  
- Grease Fitting: With
  

  
- Hexagonal Key Size for Set Screw: 3 mm
  

  
- Housing: Cast iron
  

  
- Housing Overall Width: 31.2 mm
  

  
- Housing Type: Flanged
  

  
- Inner Ring Retaining Feature: Set screws
  

  
- Limiting Speed: 7000 r/min
  

  
- Lubricant: Grease
  

  
- Number of Bolt Holes for Fasteners: 4
  

  
- Pack Height: 106 mm
  

  
- Pack Length: 104 mm
  

  
- Pack Width: 49 mm
  

  
- Relubrication Hole: With
  

  
- Rubber Seating Ring: Without
  

  
- Sealing Type: Contact, standard
  

  
- Set Screw: M6x0.75
  

  
- Set Screw Tightening Torque: 4 N·m
  

  
- Shaft Diameter: 25 mm
  

  
- Total Bearing Width: 34.1 mm
  

  
- Total Width: 40.7 mm
  

  
- Unit Sealing: Optional end cover
  
## Product documents / software:

- [Drawing (1)](https://documents.mrosupply.com/product_documents/50/22/5022943/0901d1968086d011_MKVEjBP.svg)
- [Drawing (2)](https://documents.mrosupply.com/product_documents/50/22/5022943/0901d1968086d009_YDUHEuo.svg)

## Product's reviews:
- Bearing purchase - Good price and fast delivery!! Also a pleasure doing business with MROSupply.com!!
- Bearing - Old hard to find bearing for a 85 year old tractor. Fit perfect and price was great.
- Excellent! - The perfect part… and FAST shipping! Thank you!!
- Buyer - perfect sevice




## 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.