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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 3 1/2 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QMSN18J308SB QMSN18J308SC QMSN18J308SEB QMSN18J308SEC QMSN18J308SEM QMSN18J308SEN QMSN18J308SEO QMSN18J308SET QMSN18J308SM QMSN18J308SN QMSN18J308SO QMSN18J308ST

Locking Style

 N/A Eccentric

Housing Construction

 N/A Two-Bolt Pillow Block

UPC Code

 N/A 0883450098625 0883450098632 0883450098656 0883450098663 0883450098670 0883450098687 0883450098694 0883450098700 0883450161046 0883450161404 0883450253703 0883450254090

Dimensions

Dimension A

 N/A 4.41 in112 mm

Dimension B

 N/A 8.35 in212 mm

Dimension C

 N/A 4.76 in121 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 K

 N/A 1.46 in37 mm

Dimension L

 N/A 4.29 in109 mm

Dimension M

 N/A 2.6 in66 mm

Dimension R

 N/A 0.28 in7 mm

Dimension S

 N/A 4.06 in103 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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