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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 QAPR18A090SB QAPR18A090SC QAPR18A090SEB QAPR18A090SEC QAPR18A090SEM QAPR18A090SEN QAPR18A090SEO QAPR18A090SET QAPR18A090SM QAPR18A090SN QAPR18A090SO QAPR18A090ST

Locking Style

 N/A Single Concentric

Housing Construction

 N/A Four-Bolt Pillow Block

UPC Code

 N/A 0883450049108 0883450049115 0883450049139 0883450049146 0883450049153 0883450049160 0883450049177 0883450049184 0883450189828 0883450189934 0883450267182 0883450267298

Dimensions

Dimension A

 N/A 3.75 in95.3 mm

Dimension B

 N/A 7.69 in195.3 mm

Dimension C

 N/A 5.13 in130.3 mm

Dimension D Min

 N/A 9.25 in235 mm

Dimension D Max

 N/A 11.25 in285.8 mm

Dimension E

 N/A 2.38 in60.5 mm

Dimension F

 N/A 13.63 in346.2 mm

Dimension G

 N/A 3.75 in95.3 mm

Dimension H

 N/A 1.56 in39.6 mm

Dimension J (Bolt Size)

 N/A 0.75 in20 mm

Dimension KA

 N/A 1.44 in36.6 mm

Dimension L

 N/A 4.47 in113.5 mm

Dimension M

 N/A 2.59 in65.8 mm

Dimension RA

 N/A 0.31 in7.9 mm

Dimension SA

 N/A 4.03 in102.4 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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