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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 3 1/4 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QAFY18A304SB QAFY18A304SC QAFY18A304SEB QAFY18A304SEC QAFY18A304SEM QAFY18A304SEN QAFY18A304SEO QAFY18A304SET QAFY18A304SM QAFY18A304SN QAFY18A304SO QAFY18A304ST

Locking Style

 N/A Single Concentric

Housing Construction

 N/A Round Flange

UPC Code

 N/A 0883450330244 0883450330251 0883450330268 0883450330275 0883450330282 0883450330299 0883450330305 0883450330312 0883450330329 0883450330336 0883450330343 0883450330350

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 11.13 in

Dimension H

 N/A 1.13 in

Dimension J (Bolt Size)

 N/A 0.875 in

Dimension KA

 N/A 1.44 in

Dimension L Exp

 N/A 4.36 in

Dimension L Fix

 N/A 4.28 in

Dimension M

 N/A 2.59 in

Dimension N

 N/A 3.36 in

Dimension RA

 N/A 0.25 in

Dimension SA

 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