# Link-Belt FB3S218EK75 FB3S200 4-Bolt Flange Ball Bearing 1-1/8" Bore Set Screw Locking Cast Iron Housing - MROSupply.com

***Link-Belt FB3S218EK75 FB3S200 4-bolt flange ball bearing with 1-1/8" bore, set screw locking, and cast iron housing. This intermediate duty unit features a single lip contact seal, nylon retainer, and black oxide bearing coating. Fixed non-expansion design with nickel-plated housing for corrosion resistance. Suitable for general industrial applications.***



## Product details:

- Catalog number: 10410584
- SKU: 490032
- Price: ***$181.74*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Link-Belt](https://www.mrosupply.com/brands/link-belt/)
- 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: 2.500 lb
- UPC: 662327725556
- Returns: Yes
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- Ability to Relubricate: Yes
  

  
- Adjustment slot width (in): Active in
  

  
- Adjustment Slot Width (mm): True mm
  

  
- Available end cap: No
  

  
- Base to centerline height (in): 3.75
  

  
- Bearing coating material: Black oxide
  

  
- Bearing Insert Material: 52100 Bearing Steel
  

  
- Bolt hole spacing (width) (in): 1.875
  

  
- Bolt Spacing Height Direction (in): 1.25
  

  
- Bore Shape: Straight
  

  
- Bore size (in): 1.125 in
  

  
- Cage Material: Molded fiber glass reinforced nylon
  

  
- Cage Type: Ball Riding Retainer
  

  
- Distance Between Two Upper Holds on Housing (in): 1 7/8 in
  

  
- Distance from Bearing Centerline to Bottom of Housing (in): 3 3/4 in
  

  
- Distance from Bearing Centerline to Mounting Bolt Hole Centers (in): 2 1/16 in
  

  
- Distance from housing cast face to inner ring long hub face (in): 35/64 in
  

  
- Distance From Mounting Bolt Center to Mounting Bolt Center (in): 1 1/4 in
  

  
- Distance from mounting surface to outer most bearing face (in): 1 43/64 in
  

  
- Duty/Series: Intermediate duty
  

  
- Fixed vs. Expansion: Fixed
  

  
- Foot Height (in): 0.38
  

  
- Grease Fitting Thread Size: 1/8 NPT
  

  
- Height: 1.88
  

  
- Housing coating: Nickel plated
  

  
- Housing Color: Silver
  

  
- Housing construction: One Piece
  

  
- Housing length (in): 5 3/8 in
  

  
- Housing material: Cast iron
  

  
- Housing style: Flange block
  

  
- Housing type: Flange, Bracket, Three Bolt
  

  
- Housing width (in): 2 3/4 in
  

  
- Inner Ring Outside Diameter (in): 1.587
  

  
- Insert: SG218ELPAK8299A
  

  
- Length: 5.63
  

  
- Length Through Bore (in): 1.35
  

  
- Locking Type: Set screw
  

  
- Lubrication type: Mobil FM222 food grade H1
  

  
- Max distance between bolt holes (in): E Lip Seal;E1 Viton Seal;FF Free Running;HFF Free Running;MHFF Free Running
  

  
- Maximum Speed (RPM): 5600 rpm
  

  
- Maximum Temperature (C): 107 C
  

  
- Maximum Temperature (F): 225 F
  

  
- Misalignment Capability: ±2.0° Misalignment - Static Only
  

  
- Misalignment Type: Static Only
  

  
- Mounted clearance: C3 standard
  

  
- Mounting bolt size (in): 3/8 in
  

  
- Mounting Housing Width (in): 3/8 in
  

  
- Outer Ring Land Profile: Standard
  

  
- Pilot Configuration: No Pilot
  

  
- Primary seal: BUNA single lip contact seal
  

  
- Radial Dynamic Load Capacity (lb): 4390 lb
  

  
- Radial Static Load Capacity (lb): 2530 lb
  

  
- Retainer type: Nylon
  

  
- Rolling element: Ball Bearing
  

  
- Seal type: Single lip contact seal
  

  
- Setscrew torque (in-lbs): 165-185 in/lbs
  

  
- Size code: 206
  

  
- Unit of dimension: in
  

  
- Vibration frequency fundamental train: 0.0067 cps
  

  
- Vibration frequency inner ring defect: 0.0905 cps
  

  
- Vibration frequency outer ring defect: 0.0595 cps
  

  
- Vibration frequency roller spin: 0.0385 cps
  

  
- Volume: 0.194
  

  
- Volume unit: GLL
  

  
- Width: 4.25
  
## Product documents / software:

- [Link-Belt S/U/W/Y/CL200,U/Y300,U3K00 Series Ball Bearings](https://documents.mrosupply.com/product_documents/24/2436/U3K00-Series-Ball-Bearings_Installation-Manual_0NZaIEg.pdf)






## 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.