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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 QAASN18A304SB QAASN18A304SC QAASN18A304SEB QAASN18A304SEC QAASN18A304SEM QAASN18A304SEN QAASN18A304SEO QAASN18A304SET QAASN18A304SM QAASN18A304SN QAASN18A304SO QAASN18A304ST

Locking Style

N/A Double Concentric

Housing Construction

N/A Two-Bolt Pillow Block

UPC Code

N/A 0883450350785 0883450350792 0883450350808 0883450350815 0883450350822 0883450350839 0883450350846 0883450350853 0883450350860 0883450350877 0883450350884 0883450350891

Dimensions

Dimension A

N/A 3.94 in100 mm

Dimension B

N/A 7.87 in200 mm

Dimension C

N/A 5.12 in130 mm

Dimension D Min

N/A 10.98 in279 mm

Dimension D Max

N/A 11.5 in292 mm

Dimension F

N/A 13.58 in345 mm

Dimension G

N/A 3.39 in86 mm

Dimension H

N/A 1.54 in39 mm

Dimension J (Bolt Size)

N/A 0.75 in20 mm

Dimension L

N/A 4.29 in109 mm

Dimension M

N/A 2.59 in65.8 mm

Dimension RAA

N/A 0.91 in23 mm

Dimension SAA

N/A 5.2 in132 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 0.083 in2.108 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
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