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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 QACW18A304SB QACW18A304SC QACW18A304SEB QACW18A304SEC QACW18A304SEM QACW18A304SEN QACW18A304SEO QACW18A304SET QACW18A304SM QACW18A304SN QACW18A304SO QACW18A304ST

Locking Style

 N/A Single Concentric

Housing Construction

 N/A Piloted Flange Cartridge

UPC Code

 N/A 0883450325264 0883450325271 0883450325288 0883450325295 0883450325301 0883450325318 0883450325325 0883450325332 0883450325349 0883450325356 0883450325363 0883450325370

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 5.13 in

Dimension D

 N/A 7.13 in

Dimension E

 N/A 6.1 in

Dimension F

 N/A 10.25 in

Dimension G

 N/A 7.38 in

Dimension H

 N/A 0.88 in

Dimension J (Bolt Size)

 N/A 0.75 in

Dimension KA

 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 RA

 N/A 0.3 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