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Unit of Measure

Specifications

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 QATU18A303SB QATU18A303SC QATU18A303SEB QATU18A303SEC QATU18A303SEM QATU18A303SEN QATU18A303SEO QATU18A303SET QATU18A303SM QATU18A303SN QATU18A303SO QATU18A303ST

Locking Style

 N/A Single Concentric

Housing Construction

 N/A Take-Up

UPC Code

 N/A 0883450334440 0883450334457 0883450334464 0883450334471 0883450334488 0883450334495 0883450334501 0883450334518 0883450334525 0883450334532 0883450334549 0883450334556

Dimensions

Dimension A1

 N/A 3.63 in

Dimension C

 N/A 1 in

Dimension D

 N/A 7.63 in

Dimension E

 N/A 6.81 in

Dimension F

 N/A 1.81 in

Dimension G

 N/A 1.88 in

Dimension J

 N/A 4.88 in

Dimension L

 N/A 10.12 in

Dimension KA

 N/A 1.44 in

Dimension M

 N/A 2.59 in

Dimension N

 N/A 4.22 in

Dimension P

 N/A 6.25 in

Dimension S

 N/A 1.81 in

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 0.08 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