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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 3 1/2 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QAASN18A308SB QAASN18A308SC QAASN18A308SEB QAASN18A308SEC QAASN18A308SEM QAASN18A308SEN QAASN18A308SEO QAASN18A308SET QAASN18A308SM QAASN18A308SN QAASN18A308SO QAASN18A308ST

Locking Style

 N/A Double Concentric

Housing Construction

 N/A Two-Bolt Pillow Block

UPC Code

 N/A 0883450351027 0883450351034 0883450351041 0883450351058 0883450351065 0883450351072 0883450351089 0883450351096 0883450351102 0883450351119 0883450351126 0883450351133

Dimensions

Dimension A

 N/A 4.41 in

Dimension B

 N/A 8.35 in

Dimension C

 N/A 5.12 in

Dimension D Min

 N/A 11.42 in

Dimension D Max

 N/A 12.87 in

Dimension F

 N/A 14.96 in

Dimension G

 N/A 3.39 in

Dimension H

 N/A 1.54 in

Dimension J (Bolt Size)

 N/A 0.875 in

Dimension L

 N/A 4.29 in

Dimension M

 N/A 2.59 in

Dimension RAA

 N/A 0.91 in

Dimension SAA

 N/A 5.2 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