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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 QMFY18J307SB QMFY18J307SC QMFY18J307SEB QMFY18J307SEC QMFY18J307SEM QMFY18J307SEN QMFY18J307SEO QMFY18J307SET QMFY18J307SM QMFY18J307SN QMFY18J307SO QMFY18J307ST

Locking Style

N/A Eccentric

Housing Construction

N/A Round Flange

UPC Code

N/A 0883450074520 0883450074537 0883450074551 0883450074568 0883450074575 0883450074582 0883450074599 0883450074605 0883450163774 0883450164306 0883450256131 0883450256650

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 11.13 in282.7 mm

Dimension H

N/A 1.13 in28.7 mm

Dimension J (Bolt Size)

N/A 0.875 in24 mm

Dimension K

N/A 1.44 in36.6 mm

Dimension L Exp

N/A 4.36 in110.7 mm

Dimension L Fix

N/A 4.28 in108.7 mm

Dimension M

N/A 2.59 in65.8 mm

Dimension N

N/A 3.36 in85.3 mm

Dimension R

N/A 0.25 in6.4 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
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