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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 3 7/16 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QMMH18J307SB QMMH18J307SC QMMH18J307SEB QMMH18J307SEC QMMH18J307SEM QMMH18J307SEN QMMH18J307SEO QMMH18J307SET QMMH18J307SM QMMH18J307SN QMMH18J307SO QMMH18J307ST

Locking Style

 N/A Eccentric

UPC Code

 N/A 0883450410304 0883450418775 0883450418782 0883450418799 0883450418805 0883450418812 0883450418829 0883450418836 0883450418843 0883450418850 0883450418867 0883450418874

Dimensions

Dimension A

 N/A 6.31 in

Dimension B

 N/A 10.25 in

Dimension C

 N/A 4.76 in

Dimension D

 N/A 7.88 in

Dimension E

 N/A 2.5 in

Dimension F

 N/A 3 in

Dimension G

 N/A 3 in

Dimension K

 N/A 1.44 in

Dimension L

 N/A 3.91 in

Dimension M

 N/A 2.59 in

Dimension R

 N/A 0.12 in

Dimension S

 N/A 4.03 in

Thread Size J

 N/A 1 1/4-7UNC

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 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