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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 QAFL18A307SB QAFL18A307SBT QAFL18A307SC QAFL18A307SEB QAFL18A307SEC QAFL18A307SEM QAFL18A307SEMNP QAFL18A307SEN QAFL18A307SEO QAFL18A307SET QAFL18A307SM QAFL18A307SMNP QAFL18A307SN QAFL18A307SO QAFL18A307ST QAFL18A307STNG

Locking Style

 N/A Single Concentric

Housing Construction

 N/A Flange Block

UPC Code

 N/A 0883450040600 0883450040617 0883450040631 0883450040648 0883450040655 0883450040662 0883450040679 0883450040686 0883450191395 0883450191555 0883450268752 0883450268912 0883450459198 0883450492584 0883450492607 0883450959308

Dimensions

Dimension BC

 N/A 9.5 in241.3 mm

Dimension C

 N/A 5.13 in130.3 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 H

 N/A 1.28 in32.5 mm

Dimension J (Bolt Size)

 N/A 0.75 in20 mm

Dimension KA

 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 RA

 N/A 0.16 in4.1 mm

Dimension SA

 N/A 4.03 in102.4 mm

Radial and Thrust Factors

C0 - Static Load

 N/A 48600 lbf216000 N

C - Dynamic Load (Basic)

 N/A 46400 lbf206000 N

e - Geometry Factor

 N/A 0.25

Y1 - Geometry Factor

 N/A 2.69

Y2 - Geometry Factor

 N/A 4.00

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 1800 rpm

Oil Lubrication - T Seal

 N/A 3200 rpm

Oil Lubrication - B/C/O Seal

 N/A 1500 rpm

Grease Lubrication - M/N Seal

 N/A 1800 rpm

Grease Lubrication - T Seal

 N/A 2800 rpm

Grease Lubrication - B/C/O Seal

 N/A 1500 rpm

Engineering Bearing Attributes

Float

 N/A 0.083 in2.108 mm

Shaft Tolerance

 N/A 0.0015 in0.038 mm

Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min

 N/A 0.0016

Eng Internal Radial Clearance - Max

 N/A 0.0026

Pre Install Clearance Min

 N/A 0.0024 in0.060 mm

Pre Install Clearance Max

 N/A 0.0039 in0.100 mm