All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Eccentric Solid-Block Mounted Bearings > Eccentric Flange Block > Part Number QMF18J303S  

Part Number QMF18J303S, Eccentric Flange Block

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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
QMF18J303SB
QMF18J303SC
QMF18J303SEB
QMF18J303SEC
QMF18J303SEM
QMF18J303SEN
QMF18J303SEO
QMF18J303SET
QMF18J303SM
QMF18J303SN
QMF18J303SO
QMF18J303ST

Locking Style
Eccentric

Housing Construction
Flange Block

UPC Code
0883450067621
0883450067638
0883450067652
0883450067669
0883450067676
0883450067683
0883450067690
0883450067706
0883450161695
0883450162371
0883450254458
0883450254939


Dimensions

Dimension BC
9.91 in
251.7 mm

Dimension C
4.76 in
120.9 mm

Dimension D
7.63 in
193.8 mm

Dimension E
7 in
177.8 mm

Dimension F
8.63 in
219.2 mm

Dimension H
1.31 in
33.3 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension K
1.44 in
36.6 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 R
0.19 in
4.8 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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