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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 TAPN18K304SB TAPN18K304SC TAPN18K304SEB TAPN18K304SEC TAPN18K304SEM TAPN18K304SEN TAPN18K304SEO TAPN18K304SET TAPN18K304SM TAPN18K304SN TAPN18K304SO TAPN18K304ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Two-Bolt Pillow Block

Dimensions

Dimension A

 N/A 3.937 in

Dimension B

 N/A 7.69 in

Dimension C

 N/A 4.71 in

Dimension D Min

 N/A 11.25 in

Dimension D Max

 N/A 11.63 in

Dimension F

 N/A 13.63 in

Dimension G

 N/A 3.14 in

Dimension H

 N/A 1.53 in

Dimension J (Bolt Size)

 N/A 0.75 in

Dimension L

 N/A 3.61 in

Dimension M

 N/A 2.05 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 0.0024 in

Pre Install Clearance Max

 N/A 0.0039 in