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Unit of Measure

Key Dimensions

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 80 mm

Shaft Size Type

 N/A Metric

Full Timken Part Number

 N/A TATU18K080SB TATU18K080SC TATU18K080SEB TATU18K080SEC TATU18K080SEM TATU18K080SEN TATU18K080SEO TATU18K080SET TATU18K080SM TATU18K080SN TATU18K080SO TATU18K080ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Take-Up

Other Dimensions

Dimension A

 N/A 4.44 in112.7 mm

Dimension C

 N/A 1.13 in28.6 mm

Dimension D

 N/A 9.44 in239.7 mm

Dimension E

 N/A 8.63 in219.1 mm

Dimension F

 N/A 2.13 in54 mm

Dimension G

 N/A 2.13 in54 mm

Dimension H

 N/A 4.71 in119.6 mm

Dimension J

 N/A 5.38 in136.5 mm

Dimension L

 N/A 12.13 in308 mm

Dimension M

 N/A 2.05 in52 mm

Dimension N

 N/A 3.62 in91.9 mm

Dimension P

 N/A 6.25 in158.8 mm

Dimension S

 N/A 2.06 in52.4 mm

Dimension U

 N/A 3.39 in86 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 0.08 in2.03 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