All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Concentric Solid-Block Mounted Bearings > Double Concentric Four-Bolt Pillow Block > Part Number QAAPR18A080S  

Part Number QAAPR18A080S, Double Concentric Four-Bolt Pillow Block

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Specifications  · Dimensions  · Radial and Thrust Factors  · Engineering Seal Speed  · Engineering Bearing Attributes  · Engineering Internal Radial Clearance

Specifications

Engineering Group
Mounted Bearing

Bearing Number
22218

Shaft Size
80 mm

Shaft Size Type
Metric

Full Timken Part Number
QAAPR18A080SB
QAAPR18A080SC
QAAPR18A080SEB
QAAPR18A080SEC
QAAPR18A080SEM
QAAPR18A080SEN
QAAPR18A080SEO
QAAPR18A080SET
QAAPR18A080SM
QAAPR18A080SN
QAAPR18A080SO
QAAPR18A080ST

Locking Style
Double Concentric

Housing Construction
Four-Bolt Pillow Block

UPC Code
0883450321891
0883450321907
0883450321914
0883450321921
0883450321938
0883450321945
0883450321952
0883450321969
0883450321976
0883450321983
0883450321990
0883450322003


Dimensions

Dimension A
3.75 in
95.3 mm

Dimension B
7.69 in
195.3 mm

Dimension C
5.13 in
130.3 mm

Dimension D Min
9.25 in
235 mm

Dimension D Max
11.25 in
285.8 mm

Dimension E
2.38 in
60.5 mm

Dimension F
13.63 in
346.2 mm

Dimension G
3.75 in
95.3 mm

Dimension H
1.56 in
39.6 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension L
4.47 in
113.5 mm

Dimension M
2.59 in
65.8 mm

Dimension RAA
0.84 in
21.3 mm

Dimension SAA
5.18 in
131.6 mm


Radial and Thrust Factors

C0 - Static Load
87200 lbf
388000 N

C - Dynamic Load (Basic)
79700 lbf
355000 N

e - Geometry Factor
0.23

Y1 - Geometry Factor
2.90

Y2 - Geometry Factor
4.31


Engineering Seal Speed

Oil Lubrication - M/N Seal
1400 rpm

Oil Lubrication - T Seal
2400 rpm

Oil Lubrication - B/C/O Seal
1000 rpm

Grease Lubrication - M/N Seal
1400 rpm

Grease Lubrication - T Seal
2000 rpm

Grease Lubrication - B/C/O Seal
1000 rpm


Engineering Bearing Attributes

Float
0.083 in
2.108 mm

Shaft Tolerance
0.0030 in
0.076 mm


Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min
0.0024

Eng Internal Radial Clearance - Max
0.0039

Pre Install Clearance Min
0.0024 in
0.060 mm

Pre Install Clearance Max
0.0039 in
0.100 mm



 DOWNLOADS 

Bearing Life Calculation Tool

Primary Sealing
(PDF, 411KB)

Secondary Sealing
(PDF, 720KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS