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Unit of Measure

Key Dimensions

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22220

Shaft Size

 N/A 4 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QAC20A400SB QAC20A400SC QAC20A400SEB QAC20A400SEC QAC20A400SEM QAC20A400SEN QAC20A400SEO QAC20A400SET QAC20A400SM QAC20A400SN QAC20A400SO QAC20A400ST

Locking Style

 N/A Single Concentric

Housing Construction

 N/A Piloted Flange Cartridge

UPC Code

 N/A 0883450036108 0883450036115 0883450036139 0883450036146 0883450036153 0883450036160 0883450036177 0883450036184 0883450193283 0883450193443 0883450270472 0883450270632

Other Dimensions

Dimension BC

 N/A 9.38 in238.3 mm

Dimension B Exp

 N/A 2.92 in74.2 mm

Dimension B Fix

 N/A 2.84 in72.1 mm

Dimension C

 N/A 6 in152.4 mm

Dimension D

 N/A 8.13 in206.5 mm

Dimension E

 N/A 6.63 in168.4 mm

Dimension F

 N/A 10.88 in276.4 mm

Dimension G

 N/A 8.13 in206.4 mm

Dimension H

 N/A 1 in25.4 mm

Dimension J (Bolt Size)

 N/A 0.75 in20 mm

Dimension KA

 N/A 1.63 in41.4 mm

Dimension L Exp

 N/A 5.04 in128 mm

Dimension L Fix

 N/A 4.96 in126 mm

Dimension M

 N/A 2.97 in75.4 mm

Dimension N

 N/A 2.13 in54.1 mm

Dimension RA

 N/A 0.37 in9.4 mm

Dimension SA

 N/A 4.59 in116.6 mm

Radial and Thrust Factors

C0 - Static Load

 N/A 113000 lbf502000 N

C - Dynamic Load (Basic)

 N/A 97700 lbf435000 N

e - Geometry Factor

 N/A 0.24

Y1 - Geometry Factor

 N/A 2.85

Y2 - Geometry Factor

 N/A 4.24

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 1200 rpm

Oil Lubrication - T Seal

 N/A 2000 rpm

Oil Lubrication - B/C/O Seal

 N/A 900 rpm

Grease Lubrication - M/N Seal

 N/A 1200 rpm

Grease Lubrication - T Seal

 N/A 1600 rpm

Grease Lubrication - B/C/O Seal

 N/A 900 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 0.0030

Eng Internal Radial Clearance - Max

 N/A 0.0047

Pre Install Clearance Min

 N/A 0.0030 in0.075 mm

Pre Install Clearance Max

 N/A 0.0047 in0.120 mm