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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22218

Shaft Size

 N/A 3 7/16 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QAAPF18A307SB QAAPF18A307SC QAAPF18A307SEB QAAPF18A307SEC QAAPF18A307SEM QAAPF18A307SEN QAAPF18A307SEO QAAPF18A307SET QAAPF18A307SETHT QAAPF18A307SM QAAPF18A307SN QAAPF18A307SNHT QAAPF18A307SO QAAPF18A307ST QAAPF18A307STHT

Locking Style

 N/A Double Concentric

Housing Construction

 N/A Four-Bolt Pillow Block

UPC Code

 N/A 0883450027502 0883450027519 0883450027533 0883450027540 0883450027557 0883450027564 0883450027571 0883450027588 0883450189545 0883450189675 0883450266888 0883450267021 0883450432948 0883450494243 0883450494366

Dimensions

Dimension A

 N/A 3.75 in

Dimension B

 N/A 7.69 in

Dimension C

 N/A 5.13 in

Dimension D Min

 N/A 8.88 in

Dimension D Max

 N/A 10.88 in

Dimension E

 N/A 2 in

Dimension F

 N/A 12.3 in

Dimension G

 N/A 3.75 in

Dimension H

 N/A 1.56 in

Dimension J (Bolt Size)

 N/A 0.755 in

Dimension L

 N/A 4.47 in

Dimension M

 N/A 2.59 in

Dimension RAA

 N/A 0.84 in

Dimension SAA

 N/A 5.18 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