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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 90 mm

Shaft Size Type

 N/A Metric

Full Timken Part Number

 N/A QASN18A090SB QASN18A090SC QASN18A090SEB QASN18A090SEC QASN18A090SEM QASN18A090SEN QASN18A090SEO QASN18A090SET QASN18A090SM QASN18A090SN QASN18A090SO QASN18A090ST

Locking Style

 N/A Single Concentric

Housing Construction

 N/A Two-Bolt Pillow Block

UPC Code

 N/A 0883450354875 0883450354882 0883450354899 0883450354905 0883450354912 0883450354929 0883450354936 0883450354943 0883450354950 0883450354967 0883450354974 0883450354981

Dimensions

Dimension A

 N/A 4.41 in112 mm

Dimension B

 N/A 8.35 in212 mm

Dimension C

 N/A 5.12 in130 mm

Dimension D Min

 N/A 11.42 in290 mm

Dimension D Max

 N/A 12.87 in327 mm

Dimension F

 N/A 14.96 in380 mm

Dimension G

 N/A 3.39 in86 mm

Dimension H

 N/A 1.54 in39 mm

Dimension J (Bolt Size)

 N/A 0.875 in24 mm

Dimension KA

 N/A 1.46 in37 mm

Dimension L

 N/A 4.29 in109 mm

Dimension M

 N/A 2.6 in66 mm

Dimension RA

 N/A 0.24 in6 mm

Dimension SA

 N/A 4.02 in102 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
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