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Link-Belt P3U218N (Rexnord 10439911) is a 2-bolt pillow block ball bearing with a 1-1/8" bore, set screw locking, and a cast iron housing. It features a Buna single lip contact seal, nylon retainer, and C3 clearance. This fixed (non-expansion) unit is powder coated and designed for standard-duty applications.
MODEL 10439911
Contact supplier for technical support on: 800-626-2120
$119.58 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)
Active in
Adjustment Slot Width (mm)
True mm
Available end cap
Y2196N
Base Length (in)
6.31
Base to centerline height (in)
1.6875
Base Width (in)
1.63
Bearing Insert Material
52100 Bearing Steel
Bolt hole spacing (width) (in)
4.63
Bore Shape
Straight
Bore size (in)
1.125 in
Cage Material
Molded fiber glass reinforced nylon
Cage Type
Ball Riding Retainer
Distance between bolt holes (in)
4 5/8
Distance from Bearing Centerline to Cap Face (in)
1 35/64
Distance from Bearing Centerline to Outer Most Bearing Face (in)
61/64 in
Duty/Series
Standard Duty
Fixed vs. Expansion
Fixed
Foot Height (in)
0.69
Grease Fitting Thread Size
1/8 NPT
Height
2.13
Housing Base
Semi-Solid
Housing coating
Powder coated
Housing Color
Black
Housing construction
One Piece
Housing height (in)
3 5/16 in
Housing material
Cast iron
Housing style
Pillow block
Housing type
Pillow Block, Two Bolt
Inner Ring Outside Diameter (in)
1.587
Insert
UG218NL
Length
6.88
Length Through Bore (in)
1.567
Locking Type
Set screw
Lubricant
Lithium Complex NLGI 2 Grease
Lubrication type
EXXON RONEX MP STD
Max distance between bolt holes (in)
N Lip seal;H labyrinth seal
Max distance between bolt holes (mm)
1 11/16
Maximum Speed (RPM)
8000 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 hole slot length (in)
15/16 in
Mounting bolt size (in)
1/2 in
Mounting pad height (in)
11/16 in
Mounting pad length (in)
6 5/16 in
Mounting pad width (in)
1 5/8 in
Outer Ring Land Profile
Standard
Primary seal
BUNA single lip contact seal
Radial Dynamic Load Capacity (lb)
4390 lb
Radial Static Load Capacity (lb)
2530 lb
Retainer type
Nylon
Rolling element
Ball Bearing
Seal type
Single lip contact seal
Setscrew torque (in-lbs)
87-92 in/lbs
Size code
206
Unit of dimension
in
Vibration frequency fundamental train
0.0067 cps
Vibration frequency inner ring defect
0.0905 cps
Vibration frequency outer ring defect
0.0595 cps
Vibration frequency roller spin
0.0385 cps
Volume
0.257
Volume unit
GLL
Width
4.06
1 1/8" Mounted Ball Bearing, Standard Duty, Cast Iron 2-Bolt Pillow 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.
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