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Link-Belt F3U231N (mfg part 10418139) is a 4-bolt flange mounted ball bearing with a 1-15/16" bore, set screw locking, and a cast iron housing. This standard-duty unit features a single lip contact seal, nylon retainer, and C3 internal clearance. It is designed for fixed (non-expansion) mounting in general industrial applications such as conveyors and fans.
MODEL 10418139
Contact supplier for technical support on: 800-626-2120
$186.09 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
Ability to Relubricate
Yes
Adjustment slot width (in)
Active in
Adjustment Slot Width (mm)
True mm
Available end cap
Y2316N
Bearing Insert Material
52100 Bearing Steel
Bore Shape
Straight
Bore size (in)
1.9375 in
Cage Material
Molded fiber glass reinforced nylon
Cage Type
Ball Riding Retainer
Distance between bolt holes (in)
4 3/8
Distance from housing cast face to inner ring long hub face (in)
9/16 in
Distance from Mounting Surface to Cap Face (in)
2 13/16 in
Distance from mounting surface to outer most bearing face (in)
2 19/64 in
Duty/Series
Standard Duty
Fixed vs. Expansion
Fixed
Foot Height (in)
0.75
Grease Fitting Thread Size
1/8 NPT
Height
2.56
Housing coating
Powder coated
Housing Color
Black
Housing construction
One Piece
Housing material
Cast iron
Housing Overall Circle Diameter (in)
7 7/16 in
Housing style
Flange block
Housing type
Flange, Four Bolt
Inner Ring Outside Diameter (in)
2.475
Insert
UG231NL
Length
5.88
Length Through Bore (in)
2.094
Locking Type
Set screw
Lubricant
Lithium Complex NLGI 2 Grease
Lubrication type
EXXON RONEX MP STD
Max distance between bolt holes (in)
E3 Triple lip seal;N lip seal;H labyrinth seal
Maximum Speed (RPM)
4800 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)
1/2 in
Mounting Housing Width (in)
3/4 in
Mounting pad width (in)
5 5/8 in
Outer Ring Land Profile
Standard
Pilot Configuration
No Pilot
Primary seal
BUNA single lip contact seal
Radial Dynamic Load Capacity (lb)
7920 lb
Radial Static Load Capacity (lb)
5220 lb
Retainer type
Nylon
Rolling element
Ball Bearing
Seal type
Single lip contact seal
Setscrew torque (in-lbs)
290-325 in/lbs
Size code
210
Unit of dimension
in
Vibration frequency fundamental train
0.0068 cps
Vibration frequency inner ring defect
0.0985 cps
Vibration frequency outer ring defect
0.0682 cps
Vibration frequency roller spin
0.0445 cps
Volume
0.383
Volume unit
GLL
Width
5.88
1 15/16" Mounted Ball Bearing, Standard Duty, Cast Iron 4-Bolt Square Flange Block, Setscrew Locking, Single Lip Contact Seal
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.
