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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 QAAFX18A307SB QAAFX18A307SC QAAFX18A307SEB QAAFX18A307SEC QAAFX18A307SEM QAAFX18A307SEN QAAFX18A307SEO QAAFX18A307SET QAAFX18A307SM QAAFX18A307SN QAAFX18A307SO QAAFX18A307ST

Locking Style

 N/A Double Concentric

Housing Construction

 N/A Flange Block

UPC Code

 N/A 0883450135931 0883450135948 0883450135955 0883450135962 0883450135979 0883450135986 0883450135993 0883450136006 0883450192873 0883450193061 0883450270076 0883450270250

Dimensions

Dimension BC

 N/A 9.5 in241.3 mm

Dimension C

 N/A 5.13 in130.3 mm

Dimension D

 N/A 7.63 in193.8 mm

Dimension E

 N/A 6.72 in170.7 mm

Dimension F

 N/A 8.38 in212.9 mm

Dimension H

 N/A 1.31 in33.3 mm

Dimension J (Bolt Size)

 N/A 0.75 in20 mm

Dimension L Exp

 N/A 4.3 in109.2 mm

Dimension L Fix

 N/A 4.22 in107.2 mm

Dimension M

 N/A 2.59 in65.8 mm

Dimension N

 N/A 3.31 in84.1 mm

Dimension RAA

 N/A 0.97 in24.6 mm

Dimension SAA

 N/A 5.18 in131.6 mm

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 in2.108 mm

Shaft Tolerance

 N/A 0.0030 in0.076 mm

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 in0.060 mm

Pre Install Clearance Max

 N/A 0.0039 in0.100 mm