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  

Part Number QMC18J303S, 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 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

Primary Sealing
(PDF, 280KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS



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