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Link-Belt PB22447HK81 (mfg part 10415544) is a 2-bolt pillow block spherical roller bearing with a 2-15/16" bore, adapter sleeve mount, and cast iron housing. It features a steel clearance seal, fixed non-expansion design, and powder-coated housing. Rated for heavy-duty industrial applications such as conveyors, fans, and gearboxes.
MODEL 10415544
Contact supplier for technical support on: 800-626-2120
$897.26 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
Base Length (in)
10.44
Base to centerline height (in)
3 1/4 in
Base Width (in)
3.19
Bolt hole spacing (width) (in)
8.13
Bolt Size (in)
2.9375 in
Bore length (in)
4 in
Bore size (in)
2.9375 in
Cage Material
Steel
Clearance
C0 standard
Distance between bolt holes (in)
8 1/8 in
Distance from Bearing Centerline to Cap Face (in)
2 25/32 in
Distance from Bearing Centerline to Outer Most Bearing Face (in)
2 7/16 in
Fixed vs. Expansion
Fixed
Grease Fitting Thread Size
1/8 NPT
Height
10.56
Housing Cast Face to Outermost Bearing Face (in)
0.84
Housing coating
Powder coated
Housing Color
Black
Housing construction
Solid
Housing material
Cast iron
Housing style
Pillow block
Housing type
Pillow Block, Two Bolt
Inner Ring Outside Diameter (in)
3.37
Insert
B447L
Length
6.56
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)
1950 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 hole slot length (in)
1 1/16 in
Mounting bolt size (in)
3/4 in
Mounting pad height (in)
2 in
Mounting pad length (in)
10 7/16 in
Mounting pad width (in)
3 3/16 in
Primary seal
Steel clearance seal
Radial Dynamic Load Capacity (lb)
51100 lb
Radial Static Load Capacity (lb)
71500 lb
Retainer material
Steel
Rolling element
Spherical Roller
Seal kit
B448HS
Seal type
Labyrinth Seal
Setscrew torque (in-lbs)
680 in/lbs
Size code
B448
Special lube fitting
90 DEG LUBE FITTING
Special lube percent
40% GREASE FILL
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
1.626
Volume unit
GLL
Width
4.25
2 15/16" Mounted Spherical Roller Bearing, Fixed Cast Iron 2-Bolt Pillow Block, Single Setscrew Locking Collar, Clearance Seal, Filled 40% with Grease, 90 Degree Lube Fitting
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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