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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 3 7/16 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QMF18J307SB QMF18J307SC QMF18J307SEB QMF18J307SEC QMF18J307SEM QMF18J307SEN QMF18J307SEO QMF18J307SET QMF18J307SM QMF18J307SN QMF18J307SO QMF18J307ST

Locking Style

 N/A Eccentric

Housing Construction

 N/A Four-Bolt Square Flange

UPC Code

 N/A 0883450067829 0883450067836 0883450067850 0883450067867 0883450067874 0883450067881 0883450067898 0883450067904 0883450161732 0883450162418 0883450254496 0883450254977

Dimensions

Dimension BC

 N/A 9.91 in

Dimension C

 N/A 4.76 in

Dimension D

 N/A 7.63 in

Dimension E

 N/A 7 in

Dimension F

 N/A 8.63 in

Dimension H

 N/A 1.31 in

Dimension J (Bolt Size)

 N/A 0.75 in

Dimension K

 N/A 1.44 in

Dimension L Exp

 N/A 4.3 in

Dimension L Fix

 N/A 4.22 in

Dimension M

 N/A 2.59 in

Dimension N

 N/A 3.31 in

Dimension R

 N/A 0.19 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