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Unit of Measure

Specifications

Engineering Group

N/A Mounted Bearing

Bearing Number

N/A 22218

Shaft Size

N/A 3.5000 in

Shaft Size Type

N/A Imperial

Full Timken Part Number

N/A QAMH18A308SB QAMH18A308SC QAMH18A308SEB QAMH18A308SEC QAMH18A308SEM QAMH18A308SEN QAMH18A308SEO QAMH18A308SET QAMH18A308SM QAMH18A308SN QAMH18A308SO QAMH18A308ST

Locking Style

N/A Single Concentric

UPC Code

N/A 0883450416191 0883450416207 0883450416214 0883450416221 0883450416238 0883450416245 0883450416252 0883450416269 0883450416276 0883450416283 0883450416290 0883450416306

Dimensions

Dimension A

N/A 6.31 in160.3 mm

Dimension B

N/A 10.25 in260.4 mm

Dimension C

N/A 5.13 in130.3 mm

Dimension D

N/A 7.88 in200.2 mm

Dimension E

N/A 2.5 in63.5 mm

Dimension F

N/A 3 in76.2 mm

Dimension G

N/A 3 in76.2 mm

Dimension KA

N/A 1.44 in36.6 mm

Dimension L

N/A 3.91 in99.3 mm

Dimension M

N/A 2.59 in65.8 mm

Dimension RA

N/A 0.12 in3 mm

Dimension SA

N/A 4.03 in102.4 mm

Thread Size J

N/A 1 1/4-7UNC

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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