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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 3 3/16 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QMCW18J303SB QMCW18J303SC QMCW18J303SEB QMCW18J303SEC QMCW18J303SEM QMCW18J303SEN QMCW18J303SEO QMCW18J303SET QMCW18J303SM QMCW18J303SN QMCW18J303SO QMCW18J303ST

Locking Style

 N/A Eccentric

Housing Construction

 N/A Piloted Flange Cartridge

UPC Code

 N/A 0883450063425 0883450063432 0883450063456 0883450063463 0883450063470 0883450063487 0883450063494 0883450063500 0883450166560 0883450167284 0883450258746 0883450259286

Dimensions

Dimension BC

 N/A 8.63 in

Dimension B Exp

 N/A 2.54 in

Dimension B Fix

 N/A 2.46 in

Dimension C

 N/A 4.76 in

Dimension D

 N/A 7.38 in

Dimension E

 N/A 6.1 in

Dimension F

 N/A 10.25 in

Dimension G

 N/A 7.375 in

Dimension H

 N/A 0.88 in

Dimension J (Bolt Size)

 N/A 0.75 in

Dimension K

 N/A 1.44 in

Dimension L Exp

 N/A 4.42 in

Dimension L Fix

 N/A 4.34 in

Dimension M

 N/A 2.59 in

Dimension N

 N/A 1.88 in

Dimension R

 N/A 0.31 in

Dimension S

 N/A 4.03 in

Radial and Thrust Factors

C0 - Static Load

 N/A 87200 lbf388000 N

C - Dynamic Load (Basic)

 N/A 79700 lbf355000 N

e - Geometry Factor

 N/A 0.23

Y1 - Geometry Factor

 N/A 2.90

Y2 - Geometry Factor

 N/A 4.31

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 1400 rpm

Oil Lubrication - T Seal

 N/A 2400 rpm

Oil Lubrication - B/C/O Seal

 N/A 1000 rpm

Grease Lubrication - M/N Seal

 N/A 1400 rpm

Grease Lubrication - T Seal

 N/A 2000 rpm

Grease Lubrication - B/C/O Seal

 N/A 1000 rpm

Engineering Bearing Attributes

Float

 N/A 0.083 in

Shaft Tolerance

 N/A 0.0030 in

Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min

 N/A 0.0024

Eng Internal Radial Clearance - Max

 N/A 0.0039

Pre Install Clearance Min

 N/A 0.0024 in

Pre Install Clearance Max

 N/A 0.0039 in