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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 Flange Block > Part Number QAAFX18A307S  
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Part Number QAAFX18A307S, Double Concentric Flange 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 7/16 in

Shaft Size Type

Imperial

Full Timken Part Number

QAAFX18A307SB
QAAFX18A307SC

QAAFX18A307SEB

QAAFX18A307SEC

QAAFX18A307SEM

QAAFX18A307SEN

QAAFX18A307SEO

QAAFX18A307SET

QAAFX18A307SM

QAAFX18A307SN

QAAFX18A307SO

QAAFX18A307ST

Locking Style

Double Concentric

Housing Construction

Flange Block

UPC Code

0883450135931
0883450135948

0883450135955

0883450135962

0883450135979

0883450135986

0883450135993

0883450136006

0883450192873

0883450193061

0883450270076

0883450270250


Dimensions

Dimension BC

9.5 in
241.3
mm

Dimension C

5.13 in
130.3
mm

Dimension D

7.63 in
193.8
mm

Dimension E

6.72 in
170.7
mm

Dimension F

8.38 in
212.9
mm

Dimension H

1.31 in
33.3
mm

Dimension J (Bolt Size)

0.75 in
20
mm

Dimension L Exp

4.3 in
109.2
mm

Dimension L Fix

4.22 in
107.2
mm

Dimension M

2.59 in
65.8
mm

Dimension N

3.31 in
84.1
mm

Dimension RAA

0.97 in
24.6
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

Eng Seal Temperatures

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS



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