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Unit of Measure

Specifications

Engineering Group

N/A Mounted Bearing

Bearing Number

N/A 22218

Shaft Size

N/A 3 3/16 in

Shaft Size Type

N/A Imperial

Full Timken Part Number

N/A QAATU18A303SB QAATU18A303SC QAATU18A303SEB QAATU18A303SEC QAATU18A303SEM QAATU18A303SEN QAATU18A303SEO QAATU18A303SET QAATU18A303SM QAATU18A303SN QAATU18A303SO QAATU18A303ST

Locking Style

N/A Double Concentric

Housing Construction

N/A Take-Up

UPC Code

N/A 0883450323468 0883450323475 0883450323482 0883450323499 0883450323505 0883450323512 0883450323529 0883450323536 0883450323543 0883450323550 0883450323567 0883450323574

Dimensions

Dimension A1

N/A 3.63 in92.2 mm

Dimension C

N/A 1 in25.4 mm

Dimension D

N/A 7.63 in193.8 mm

Dimension E

N/A 6.81 in173 mm

Dimension F

N/A 1.81 in46 mm

Dimension G

N/A 1.88 in47.8 mm

Dimension J

N/A 4.88 in124 mm

Dimension L

N/A 10.12 in257 mm

Dimension M

N/A 2.59 in65.8 mm

Dimension N

N/A 4.22 in107.2 mm

Dimension P

N/A 6.25 in158.8 mm

Dimension S

N/A 1.81 in46 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 0.08 in2.03 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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