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Link-Belt FB22448E (Rexnord 10425621) is a 4-bolt flange spherical roller bearing with a 3" bore and adapter sleeve mounting. The cast iron housing features a spring-loaded heavy contact seal and is powder coated for corrosion resistance. This fixed (non-expansion) unit is designed for heavy-duty industrial applications such as conveyors, fans, and gearboxes.
MODEL 10425621
Contact supplier for technical support on: 800-626-2120
$1,033.04 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
Ability to Relubricate
Yes
Available end cap
B448DTC
Available seal type
E Lip Seal; H Labyrinth Seal; E7 Triple Lip Seal
Bolt hole circle diameter (in)
7 7/8 in
Bolt hole spacing (width) (in)
5.56
Bolt Size (in)
3 in
Bore length (in)
4 in
Bore size (in)
3 in
Cage Material
Steel
Clearance
C0 standard
Distance between bolt holes (in)
5 9/16 in
Distance from housing cast face to inner ring long hub face (in)
27/32 in
Distance from Mounting Surface to Cap Face (in)
4 7/16 in
Distance from mounting surface to outer most bearing face (in)
4 3/32 in
Fixed vs. Expansion
Fixed
Foot Height (in)
0.88
Grease Fitting Thread Size
1/8 NPT
Height
9.25
Housing Cast Face to Outermost Bearing Face (in)
0.88
Housing coating
Powder coated
Housing Color
Black
Housing construction
Solid
Housing material
Cast iron
Housing Outside Diameter (in)
9.5
Housing style
Flange block
Housing type
Flange, Four Bolt
Inner Ring Outside Diameter (in)
3.37
Insert
B448L
Length
9.50
Locking collar outside diameter (in)
4 1/16 in
Locking device kit
B448SC
Locking Type
Single Set Collar
Lubricant
Lithium Complex NLGI 2 Grease
Lubrication type
EXXON RONEX MP STD
Maximum Speed (RPM)
1500 RPM
Maximum Temperature (C)
107 C
Maximum Temperature (F)
225 F
Microlock kit
B448MLK
Misalignment Capability
±2.0° Misalignment - Dynamic
Misalignment Type
Dynamic
Mounting bolt size (in)
3/4 in
Mounting Housing Width (in)
7/8 in
Mounting pad width (in)
9 1/2 in
Primary seal
Buna spring loaded lip seal
Radial Dynamic Load Capacity (lb)
51100 lb
Radial Static Load Capacity (lb)
71500 lb
Retainer material
Steel
Rolling element
Spherical Roller
Seal kit
B448ES
Seal type
Heavy Contact Seal
Setscrew torque (in-lbs)
680 in/lbs
Size code
B448
Standoff distance (in)
3/32 in
Unit of dimension
in
Vibration frequency fundamental train
0.0072 cps
Vibration frequency inner ring defect
0.1701 cps
Vibration frequency outer ring defect
0.1299 cps
Vibration frequency roller spin
0.0591 cps
Volume
1.712
Volume unit
GLL
Width
4.50
3" Mounted Spherical Roller Bearing, Fixed Cast Iron 4-Bolt Square Flange Block, Single Setscrew Locking Collar, Spring Loaded Heavy 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.
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