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All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Concentric Solid-Block Mounted Bearings > Double Concentric Cartridge Block > Part Number QAAMC18A308S  
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Part Number QAAMC18A308S, Double Concentric Cartridge Block



 



Unit of Measure: Imperial Metric Both

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

3 1/2 in

Shaft Size Type

Imperial

Full Timken Part Number

QAAMC18A308SB
QAAMC18A308SC

QAAMC18A308SEB

QAAMC18A308SEC

QAAMC18A308SEM

QAAMC18A308SEN

QAAMC18A308SEO

QAAMC18A308SET

QAAMC18A308SM

QAAMC18A308SN

QAAMC18A308SO

QAAMC18A308ST

Locking Style

Double Concentric

Housing Construction

Cartridge

UPC Code

0883450024808
0883450024815

0883450024839

0883450024846

0883450024853

0883450024860

0883450024877

0883450024884

0883450194938

0883450195102

0883450272100

0883450272278


Dimensions

Dimension A

0.59 in
15
mm

Dimension B

1.06 in
26.9
mm

Dimension C

5.13 in
130.3
mm

Dimension D

0.23 in
5.8
mm

Dimension F

6.7500 in
171.5
mm

Dimension G

3.45 in
87.6
mm

Dimension L Exp

4.42 in
112.3
mm

Dimension L Fix

4.34 in
110.2
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 

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