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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 3 1/4 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QMMH18J304SB QMMH18J304SC QMMH18J304SEB QMMH18J304SEC QMMH18J304SEM QMMH18J304SEN QMMH18J304SEO QMMH18J304SET QMMH18J304SM QMMH18J304SN QMMH18J304SO QMMH18J304ST

Locking Style

 N/A Eccentric

UPC Code

 N/A 0883450418652 0883450418669 0883450418676 0883450418683 0883450418690 0883450418706 0883450418713 0883450418720 0883450418737 0883450418744 0883450418751 0883450418768

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