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Link-Belt FB3U212NC (mfg part 10440958) is a 4-bolt flange ball bearing with a 3/4" bore, set screw locking, and a cast iron housing. This standard-duty unit features a Buna single lip contact seal, nylon retainer, and C3 internal clearance. It is a fixed (non-expansion) design with powder-coated housing, suitable for general industrial applications.
MODEL 10440958
Contact supplier for technical support on: 800-626-2120
$85.92 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: Yes
Ability to Relubricate
Yes
Adjustment slot width (in)
Inactive in
Adjustment Slot Width (mm)
True mm
Auxiliary seals
1 CLOSED CAP POLYPROPYLENE
Available end cap
Y2126N
Bearing Insert Material
52100 Bearing Steel
Bolt hole spacing (width) (in)
1.5
Bolt Spacing Height Direction (in)
0.875
Bore Shape
Straight
Bore size (in)
0.75 in
Cage Material
Molded fiber glass reinforced nylon
Cage Type
Ball Riding Retainer
Distance Between Two Upper Holds on Housing (in)
1 1/2 in
Distance from Bearing Centerline to Bottom of Housing (in)
3 in
Distance from Bearing Centerline to Mounting Bolt Hole Centers (in)
1 11/16 in
Distance from housing cast face to inner ring long hub face (in)
11/32 in
Distance From Mounting Bolt Center to Mounting Bolt Center (in)
7/8 in
Distance from mounting surface to outer most bearing face (in)
1 11/32 in
Duty/Series
Standard Duty
Fixed vs. Expansion
Fixed
Foot Height (in)
0.31
Grease Fitting Thread Size
1/4-28
Height
1.31
Housing coating
Powder coated
Housing Color
Black
Housing construction
One Piece
Housing length (in)
4 1/4 in
Housing material
Cast iron
Housing style
Flange block
Housing type
Flange, Bracket, Three Bolt
Housing width (in)
2 3/8 in
Inner Ring Outside Diameter (in)
1.121
Insert
UG212NL
Length
3.38
Length Through Bore (in)
1.281
Locking Type
Set screw
Lubricant
Lithium Complex NLGI 2 Grease
Lubrication type
EXXON RONEX MP STD
Maximum Speed (RPM)
10000 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)
5/16 in
Outer Ring Land Profile
Standard
Pilot Configuration
No Pilot
Primary seal
BUNA single lip contact seal
Radial Dynamic Load Capacity (lb)
2870 lb
Radial Static Load Capacity (lb)
1480 lb
Retainer type
Nylon
Rolling element
Ball Bearing
Seal type
Single lip contact seal
Setscrew torque (in-lbs)
87-92 in/lbs
Size code
204
Unit of dimension
in
Vibration frequency fundamental train
0.0063 cps
Vibration frequency inner ring defect
0.0825 cps
Vibration frequency outer ring defect
0.0508 cps
Vibration frequency roller spin
0.0332 cps
Volume
0.139
Volume unit
GLL
Width
7.25
3/4" Mounted Ball Bearing, Standard Duty, Cast Iron 3-Bolt Bracket Flange Block, Setscrew Locking, Single Lip Contact Seal, End Cap
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.
Slew ring bearings, also referred to as slewing bearings, slewing rings, or turntable bearings, are forms of bearings designed to allow rotational motion between several components.
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