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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size Type

 N/A Metric

Full Timken Part Number

 N/A QATP18A090SB QATP18A090SC QATP18A090SEB QATP18A090SEC QATP18A090SEM QATP18A090SEN QATP18A090SEO QATP18A090SET QATP18A090SM QATP18A090SN QATP18A090SO QATP18A090ST

Locking Style

 N/A Single Concentric

Housing Construction

 N/A Top Pull Take-Up

Dimensions

Dimension A1

 N/A 4.32 in

Dimension B

 N/A 4.09 in

Dimension C

 N/A 5.13 in

Dimension D

 N/A 9.94 in

Dimension E

 N/A 8.41 in

Dimension F

 N/A 2.41 in

Dimension G

 N/A 3.54 in

Dimension H

 N/A 4.5 in

Dimension J

 N/A 2.25 in

Dimension K

 N/A 1.44 in

Dimension L

 N/A 9.5 in

Dimension M

 N/A 2.59 in

Dimension N

 N/A 4.37 in

Dimension P

 N/A 9 in

Dimension Q

 N/A 1.31 in

Dimension RA

 N/A 0.34 in

Dimension S

 N/A 1.38 in

Dimension TA

 N/A 4.03 in

Dimension U

 N/A 0.81 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 0.08 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