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Part Number QMC18J308S
Part Number QMC18J308S, Eccentric Piloted Flange Cartridge
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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
3 1/2
in
Shaft Size Type
Imperial
Full Timken Part Number
QMC18J308SB
QMC18J308SC
QMC18J308SEB
QMC18J308SEC
QMC18J308SEM
QMC18J308SEN
QMC18J308SEO
QMC18J308SET
QMC18J308SM
QMC18J308SN
QMC18J308SO
QMC18J308ST
QMC18J308STHT
Locking Style
Eccentric
Housing Construction
Piloted Flange Cartridge
UPC Code
0883450060523
0883450060530
0883450060554
0883450060561
0883450060578
0883450060585
0883450060592
0883450060608
0883450165778
0883450166195
0883450258036
0883450258418
0883450433372
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
4.76
in
120.9
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 K
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 R
0.16
in
4.1
mm
Dimension S
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
VIEW CAD DRAWING
·
3D
·
2D Front View
·
2D Left View
·
2D Sales Drawing
DOWNLOADS
Bearing Life Calculation Tool
Primary Sealing
(PDF, 280KB)
TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS
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