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Unit of Measure

Specifications

Engineering Group

N/A Mounted Bearing

Bearing Number

N/A 22218

Shaft Size

N/A 3.2500 in

Shaft Size Type

N/A Imperial

Full Timken Part Number

N/A QAPF18A304SB QAPF18A304SC QAPF18A304SEB QAPF18A304SEC QAPF18A304SEM QAPF18A304SEN QAPF18A304SEO QAPF18A304SET QAPF18A304SM QAPF18A304SN QAPF18A304SO QAPF18A304ST

Locking Style

N/A Single Concentric

Housing Construction

N/A Four-Bolt Pillow Block

UPC Code

N/A 0883450332163 0883450332170 0883450332187 0883450332194 0883450332200 0883450332217 0883450332224 0883450332231 0883450332248 0883450332255 0883450332262 0883450332279

Dimensions

Dimension A

N/A 3.75 in95.3 mm

Dimension B

N/A 7.69 in195.3 mm

Dimension C

N/A 5.13 in130.3 mm

Dimension D Min

N/A 8.88 in225.6 mm

Dimension D Max

N/A 10.88 in276.4 mm

Dimension E

N/A 2 in50.8 mm

Dimension F

N/A 12.3 in312.4 mm

Dimension G

N/A 3.75 in95.3 mm

Dimension H

N/A 1.56 in39.6 mm

Dimension J (Bolt Size)

N/A 0.75 in20 mm

Dimension KA

N/A 1.44 in36.6 mm

Dimension L

N/A 4.47 in113.5 mm

Dimension M

N/A 2.59 in65.8 mm

Dimension RA

N/A 0.31 in7.9 mm

Dimension SA

N/A 4.03 in102.4 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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