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Unit of Measure

Key Dimensions

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 QMFLP18J304SB QMFLP18J304SC QMFLP18J304SEB QMFLP18J304SEC QMFLP18J304SEM QMFLP18J304SEN QMFLP18J304SEO QMFLP18J304SET QMFLP18J304SM QMFLP18J304SN QMFLP18J304SO QMFLP18J304ST

Locking Style

 N/A Eccentric

Housing Construction

 N/A Four-Bolt Square Flange

UPC Code

 N/A 0883450072229 0883450072236 0883450072250 0883450072267 0883450072274 0883450072281 0883450072298 0883450072304 0883450163156 0883450163491 0883450255516 0883450255851

Other Dimensions

Dimension BC

 N/A 9.5 in241.3 mm

Dimension C

 N/A 4.76 in120.9 mm

Dimension D

 N/A 7.63 in193.8 mm

Dimension E

 N/A 6.72 in170.7 mm

Dimension F

 N/A 8.38 in212.9 mm

Dimension G

 N/A 7.375 in187.33 mm

Dimension H

 N/A 1.28 in32.5 mm

Dimension J (Bolt Size)

 N/A 0.75 in20 mm

Dimension K

 N/A 1.44 in36.6 mm

Dimension L Exp

 N/A 4.27 in108.5 mm

Dimension L Fix

 N/A 4.19 in106.4 mm

Dimension M

 N/A 2.59 in65.8 mm

Dimension N

 N/A 3.4 in86.4 mm

Dimension R

 N/A 0.16 in4.1 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