# AMI BTM206-20 Three-Bolt Flange Bearing Unit 1-1/4" (31.75mm) Bore Set Screw Locking Cast Iron Housing Narrow Width 200 Series - MROSupply.com

***AMI BTM206-20 three-bolt flange bearing unit with 1-1/4" (31.75mm) bore diameter. Set screw locking mechanism, cast iron housing, chrome steel insert. Narrow inner ring width design for normal duty applications. 200 series mounted unit.***



## Product details:

- Catalog number: BTM206-20
- SKU: 17075
- Price: ***$42.42*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [AMI Bearings](https://www.mrosupply.com/brands/ami-bearings/)
- Category: 
    - [3-Bolt Flange](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/flanged-mounted-bearings/3-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: 1.040 lb
- Technicall support: contact supplier for technical support on 800 882 8642


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


## Product attributes;

  
- Application: General Purpose
  

  
- Bearing: B6-20
  

  
- Bolt Size: 3/8
  

  
- Covers: No
  

  
- Duty: Standard
  

  
- Expansion: No
  

  
- High Temp: 212f
  

  
- Housing: Malleable Iron
  

  
- Housing Style: TM206
  

  
- HTS code: 8483.20.40.40
  

  
- I.D.: 1 1/4 in
  

  
- Inner Ring Width: Narrow
  

  
- Insert Material: Bearing steel
  

  
- Insert Type: Ball Bearing
  

  
- Locking: Set screw
  

  
- Lubrication Fitting Tap: 1/4-28 UNF
  

  
- Relubrication: Yes
  

  
- Seal: Contact seal
  

  
- Type: 3 Bolt Flange
  
## Product documents / software:

- [drawing](https://documents.mrosupply.com/product_documents/BT/BTM207-20/BTM200dwg.jpg)
## Alternate products to `AMI BTM206-20 Three-Bolt Flange Bearing Unit 1-1/4" (31.75mm) Bore Set Screw Locking Cast Iron Housing Narrow Width 200 Series - MROSupply.com`:
- [Browning VF3S-120SM 3-bolt flange mounted ball bearing with a 1.25-inch bore and set screw locking. Features a ductile iron housing, a 52100 bearing steel insert, and a single lip contact seal. Suitable for industrial applications requiring a compact flange mount.](https://www.mrosupply.com/products/2272620/as-markdown/)
- [Dodge 124629 LF-SC-104S-NL three-bolt flange bearing with 1-1/4" bore. Light duty set screw ball bearing with alloy housing, 206 series insert, DualGuard seals with flingers. No-lube sealed for life pre-greased design. Non-expansion fixed type.](https://www.mrosupply.com/products/125140/as-markdown/)

## Product's reviews:
- Great job - Had my bearings in stock and shipped right away.
- Excellent company - I love my new found Bearings Company. I love the price, lighting fast shipping and great customers service . Thank you.
- Ami bearings - I've been using AMI bearings for several years now and have had zero problems. There made in Japan, so seem remarkably high quality but half the price of NTN.
- Barons for my sweeper truck - Great product well recommend to anybody




## 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.