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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 3 1/2 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QAFLP18A308SB QAFLP18A308SC QAFLP18A308SEB QAFLP18A308SEC QAFLP18A308SEM QAFLP18A308SEN QAFLP18A308SEO QAFLP18A308SET QAFLP18A308SM QAFLP18A308SN QAFLP18A308SO QAFLP18A308ST

Locking Style

 N/A Single Concentric

Housing Construction

 N/A Four-Bolt Square Flange

UPC Code

 N/A 0883450040907 0883450040914 0883450040938 0883450040945 0883450040952 0883450040969 0883450040976 0883450040983 0883450191432 0883450191593 0883450268790 0883450268950

Dimensions

Dimension BC

 N/A 9.5 in

Dimension C

 N/A 5.13 in

Dimension D

 N/A 7.63 in

Dimension E

 N/A 6.72 in

Dimension F

 N/A 8.38 in

Dimension H

 N/A 1.28 in

Dimension J (Bolt Size)

 N/A 0.75 in

Dimension KA

 N/A 1.44 in

Dimension L Exp

 N/A 4.27 in

Dimension L Fix

 N/A 4.19 in

Dimension M

 N/A 2.59 in

Dimension N

 N/A 3.4 in

Dimension RA

 N/A 0.16 in

Dimension SA

 N/A 4.03 in

Dimension G

 N/A 7.375 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 0.24

Y1 - Geometry Factor

 N/A 2.84

Y2 - Geometry Factor

 N/A 4.23

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 1200 rpm

Oil Lubrication - T Seal

 N/A 2000 rpm

Oil Lubrication - B/C/O Seal

 N/A 900 rpm

Grease Lubrication - M/N Seal

 N/A 1200 rpm

Grease Lubrication - T Seal

 N/A 1600 rpm

Grease Lubrication - B/C/O Seal

 N/A 900 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 0.003

Eng Internal Radial Clearance - Max

 N/A 0.0047

Pre Install Clearance Min

 N/A 0.0030 in

Pre Install Clearance Max

 N/A 0.0047 in