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All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Eccentric Solid-Block Mounted Bearings > Eccentric Piloted Flange Cartridge > Part Number QMC18J303S  
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Part Number QMC18J303S, Eccentric 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 3/16 in

Shaft Size Type

Imperial

Full Timken Part Number

QMC18J303SB
QMC18J303SC

QMC18J303SEB

QMC18J303SEC

QMC18J303SEM

QMC18J303SEN

QMC18J303SEO

QMC18J303SET

QMC18J303SM

QMC18J303SN

QMC18J303SO

QMC18J303ST

Locking Style

Eccentric

Housing Construction

Piloted Flange Cartridge

UPC Code

0883450060226
0883450060233

0883450060257

0883450060264

0883450060271

0883450060288

0883450060295

0883450060301

0883450165723

0883450166140

0883450257985

0883450258364


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



 DOWNLOADS 

Bearing Life Calculation Tool

Eng Seal Temperatures

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS



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