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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 3/16 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QMFYP18J303SB QMFYP18J303SC QMFYP18J303SEB QMFYP18J303SEC QMFYP18J303SEM QMFYP18J303SEN QMFYP18J303SEO QMFYP18J303SET QMFYP18J303SM QMFYP18J303SN QMFYP18J303SO QMFYP18J303ST

Locking Style

 N/A Eccentric

Housing Construction

 N/A Round Flange

UPC Code

 N/A 0883450074322 0883450074339 0883450074353 0883450074360 0883450074377 0883450074384 0883450074391 0883450074407 0883450163736 0883450164276 0883450256094 0883450256629

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 11.13 in282.7 mm

Dimension G

 N/A 7.375 in187.33 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