# Link-Belt F3U218NK75 10412747 4-Bolt Flange Ball Bearing 1 1/8" Bore Set Screw Locking Nickel Plated Cast Iron - MROSupply.com

***Link-Belt F3U218NK75 (Rexnord 10412747) is a 4-bolt flange ball bearing with a 1 1/8" bore, set screw locking, and a nickel-plated cast iron housing. This fixed (non-expansion) unit features a Buna single lip contact seal and is designed for standard-duty industrial applications.***



## Product details:

- Catalog number: 10412747
- SKU: 492208
- Price: ***$110.87*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Link-Belt](https://www.mrosupply.com/brands/link-belt/)
- 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: 3.000 lb
- UPC: 662327726263
- 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): Inactive in
  

  
- Adjustment Slot Width (mm): True mm
  

  
- Available end cap: Y2196N
  

  
- Bearing Insert Material: 52100 Bearing Steel
  

  
- Bore Shape: Straight
  

  
- Bore size (in): 1.125 in
  

  
- Cage Material: Molded fiber glass reinforced nylon
  

  
- Cage Type: Ball Riding Retainer
  

  
- Distance between bolt holes (in): 3 1/4
  

  
- Distance from housing cast face to inner ring long hub face (in): 7/16 in
  

  
- Distance from Mounting Surface to Cap Face (in): 2 15/64 in
  

  
- Distance from mounting surface to outer most bearing face (in): 1 47/64 in
  

  
- Duty/Series: Standard Duty
  

  
- Fixed vs. Expansion: Fixed
  

  
- Foot Height (in): 0.59
  

  
- Grease Fitting Thread Size: 1/8 NPT
  

  
- Height: 1.88
  

  
- Housing coating: Nickel plated
  

  
- Housing Color: Silver
  

  
- Housing construction: One Piece
  

  
- Housing material: Cast iron
  

  
- Housing Overall Circle Diameter (in): 5 19/32 in
  

  
- Housing style: Flange block
  

  
- Housing type: Flange, Four Bolt
  

  
- Housing width (in): 4.25
  

  
- Inner Race Heat Treat Method: Zone-Hardened
  

  
- Inner Ring Outside Diameter (in): 1.587
  

  
- Insert: UG218NL
  

  
- Length: 4.75
  

  
- Length Through Bore (in): 1.563
  

  
- Locking Type: Set screw
  

  
- Lubricant: Lithium Complex NLGI 2 Grease
  

  
- Lubrication type: EXXON RONEX MP STD
  

  
- Max distance between bolt holes (in): N Lip seal;H labyrinth seal
  

  
- Maximum Speed (RPM): 8000 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): 7/16 in
  

  
- Mounting Housing Width (in): 19/32 in
  

  
- Mounting pad width (in): 4 1/4 in
  

  
- Outer Ring Land Profile: Standard
  

  
- Overall Height to End Cap (in): 2.23
  

  
- 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): 87-92 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: 0.183
  

  
- Volume unit: GLL
  

  
- Width: 4.75
  
## Product documents / software:

- [3D SAT](https://documents.mrosupply.com/product_documents/F3/F3U218NK75/rexnord_3d_sat_F3U218NK75_9RpHbyv.sat)
- [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)
- [2D DXF](https://documents.mrosupply.com/product_documents/F3/F3U218NK75/rexnord_2d_dxf_F3U218NK75.dxf)






## 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.