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Unit of Measure

Key Dimensions

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 QMPX18J090SB QMPX18J090SC QMPX18J090SEB QMPX18J090SEC QMPX18J090SEM QMPX18J090SEN QMPX18J090SEO QMPX18J090SET QMPX18J090SM QMPX18J090SN QMPX18J090SO QMPX18J090ST

Locking Style

 N/A Eccentric

Housing Construction

 N/A Four-Bolt Pillow Block

UPC Code

 N/A 0883450093729 0883450093736 0883450093750 0883450093767 0883450093774 0883450093781 0883450093798 0883450093804 0883450159487 0883450160216 0883450252775 0883450253192

Other Dimensions

Dimension A

 N/A 4 in101.6 mm

Dimension B

 N/A 7.92 in201.2 mm

Dimension C

 N/A 4.76 in120.9 mm

Dimension D Min

 N/A 10.81 in274.6 mm

Dimension D Max

 N/A 12.19 in309.6 mm

Dimension E

 N/A 3 in76.2 mm

Dimension F

 N/A 15 in381 mm

Dimension G

 N/A 4.75 in120.7 mm

Dimension H

 N/A 1.5 in38.1 mm

Dimension J (Bolt Size)

 N/A 0.75 in20 mm

Dimension K

 N/A 1.44 in36.6 mm

Dimension L

 N/A 4.96 in126 mm

Dimension M

 N/A 2.59 in65.8 mm

Dimension R

 N/A 0.32 in8.1 mm

Dimension S

 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