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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 3 1/4 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A TACK18K304SB TACK18K304SC TACK18K304SEB TACK18K304SEC TACK18K304SEM TACK18K304SEN TACK18K304SEO TACK18K304SET TACK18K304SM TACK18K304SN TACK18K304SO TACK18K304ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Piloted Flange Cartridge

Dimensions

Dimension BC

 N/A 9.38 in

Dimension C

 N/A 4.72 in

Dimension D

 N/A 8 in

Dimension E

 N/A 6.63 in

Dimension F

 N/A 10.88 in

Dimension G

 N/A 8.125 in

Dimension H

 N/A 0.75 in

Dimension J (Bolt Size)

 N/A 0.75 in

Dimension L

 N/A 3.42 in

Dimension M

 N/A 2.05 in

Dimension N

 N/A 1.38 in

Dimension R

 N/A 0.03 in

Dimension S

 N/A 3.39 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 0.083 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 0.060 in

Pre Install Clearance Max

 N/A 0.100 in