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Link-Belt PKB22447H (Rexnord 10421651) is a 2-bolt pillow block spherical roller bearing with a 2-15/16" bore, adapter sleeve mount, and cast steel housing. It features a steel clearance seal, fixed (non-expansion) design, and powder-coated housing. This heavy-duty unit is suitable for industrial conveyors, fans, and gearboxes.
MODEL 10421651
Contact supplier for technical support on: 800-626-2120
$1,224.39 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: Yes
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
Distance from housing cast face to inner ring long hub face (in)
27/32 in
Fixed vs. Expansion
Fixed
Foot Height (in)
2.25
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 steel
Housing style
Pillow block
Housing type
Pillow Block, Two Bolt
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 1/4 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
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
1.275
Volume unit
GLL
Width
4.25
2 15/16" Mounted Spherical Roller Bearing, Fixed Cast Steel 2-Bolt Pillow Block, Single Setscrew Locking Collar, Clearance 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.