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All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Single Concentric Solid-Block Mounted Bearings > Single Concentric Piloted Flange Cartridge > Part Number QAC18A307S  
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Part Number QAC18A307S, Single Concentric Piloted Flange Cartridge



 



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

QAC18A307SB
QAC18A307SC

QAC18A307SEB

QAC18A307SEC

QAC18A307SEM

QAC18A307SEN

QAC18A307SEO

QAC18A307SET

QAC18A307SM

QAC18A307SN

QAC18A307SO

QAC18A307ST

Locking Style

Single Concentric

Housing Construction

Piloted Flange Cartridge

UPC Code

0883450035804
0883450035811

0883450035835

0883450035842

0883450035859

0883450035866

0883450035873

0883450035880

0883450193245

0883450193405

0883450270434

0883450270595


Dimensions

Dimension BC

8.63 in
219.2
mm

Dimension B Exp

2.96 in
75.2
mm

Dimension B Fix

2.88 in
73.2
mm

Dimension C

5.13 in
130.3
mm

Dimension D

7.38 in
187.5
mm

Dimension E

6.1 in
154.9
mm

Dimension F

10.34 in
262.6
mm

Dimension G

7.375 in
187.3
mm

Dimension H

1 in
25.4
mm

Dimension J (Bolt Size)

0.75 in
20
mm

Dimension KA

1.44 in
36.6
mm

Dimension L Exp

4.27 in
108.5
mm

Dimension L Fix

4.19 in
106.4
mm

Dimension M

2.59 in
65.8
mm

Dimension N

1.31 in
33.3
mm

Dimension RA

0.16 in
4.1
mm

Dimension SA

4.03 in
102.4
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


 MORE IMAGES 

·  Single Concentric Piloted Flange Cartridge - Dimensional Drawing



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