All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Eccentric Solid-Block Mounted Bearings > Eccentric Flange Block > Part Number QMF18J308S  

Part Number QMF18J308S, 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 1/2 in

Shaft Size Type
Imperial

Full Timken Part Number
QMF18J308SB
QMF18J308SC
QMF18J308SEB
QMF18J308SEC
QMF18J308SEM
QMF18J308SEN
QMF18J308SEO
QMF18J308SET
QMF18J308SM
QMF18J308SN
QMF18J308SO
QMF18J308ST

Locking Style
Eccentric

Housing Construction
Flange Block

UPC Code
0883450067928
0883450067935
0883450067959
0883450067966
0883450067973
0883450067980
0883450067997
0883450068000
0883450161749
0883450162425
0883450254502
0883450254984


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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