3D CAD and 2D Drawings

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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 QAAC18A303SB QAAC18A303SC QAAC18A303SEB QAAC18A303SEC QAAC18A303SEM QAAC18A303SEN QAAC18A303SEO QAAC18A303SET QAAC18A303SM QAAC18A303SN QAAC18A303SO QAAC18A303ST

Locking Style

N/A Double Concentric

Weight

N/A 32 lb14.5 Kg

Housing Construction

N/A Piloted Flange Cartridge

UPC Code

N/A 0883450034364 0883450034395 0883450034425 0883450034432 0883450034449 0883450035194 0883450035293 0883450035323 0883450035422 0883450035699 0883450035798 0883450035828

Dimensions

Dimension BC

N/A 8.63 in219.2 mm

Dimension C

N/A 5.130 in130.30 mm

Dimension E

N/A 6.10 in154.9 mm

Dimension B Fix

N/A 2.88 in73.2 mm

Dimension B Exp

N/A 2.96 in75.2 mm

Dimension F

N/A 10.34 in262.6 mm

Dimension D

N/A 7.38 in187.5 mm

Dimension H

N/A 1.00 in25.4 mm

Dimension J (Bolt Size)

N/A 0.75 in20 mm

Dimension M

N/A 2.59 in65.8 mm

Dimension G

N/A 7.375 in187.3 mm

Dimension L Exp

N/A 4.27 in108.5 mm

Dimension L Fix

N/A 4.19 in106.4 mm

Dimension N

N/A 1.31 in33.3 mm

Dimension RAA

N/A 0.99 in25.1 mm

Dimension SAA

N/A 5.18 in131.6 mm

Radial and Thrust Factors

C0 - Static Load

N/A 87200 lb388 kN

C - Dynamic Load (Basic)

N/A 79700 lb355 kN

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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