Part Number QAC20A400S, Single Concentric Piloted Flange Cartridge On The Timken Company


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	Part Number QAC20A400S, Single Concentric Piloted Flange Cartridge

Timken-Mounted-Bearing-Single-Concentric-Piloted-Flange-Cartridge

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Specifications · Dimensions · Radial and Thrust Factors · Engineering Seal Speed · Engineering Bearing Attributes · Engineering Internal Radial Clearance

Specifications

Engineering Group		Mounted Bearing

Bearing Number		22220

Shaft Size		4 in

Shaft Size Type		Imperial

Full Timken Part Number		QAC20A400SB QAC20A400SC QAC20A400SEB QAC20A400SEC QAC20A400SEM QAC20A400SEN QAC20A400SEO QAC20A400SET QAC20A400SM QAC20A400SN QAC20A400SO QAC20A400ST

Locking Style		Single Concentric

Housing Construction		Piloted Flange Cartridge

UPC Code		0883450036108 0883450036115 0883450036139 0883450036146 0883450036153 0883450036160 0883450036177 0883450036184 0883450193283 0883450193443 0883450270472 0883450270632

Dimensions

Dimension BC		9.38 in 238.3 mm

Dimension B Exp		2.93 in 74.4 mm

Dimension B Fix		2.84 in 72.1 mm

Dimension C		6 in 152.4 mm

Dimension D		8.13 in 206.5 mm

Dimension E		6.63 in 168.4 mm

Dimension F		10.88 in 276.4 mm

Dimension G		8.125 in 206.4 mm

Dimension H		1 in 25.4 mm

Dimension J (Bolt Size)		0.75 in 20 mm

Dimension KA		1.63 in 41.4 mm

Dimension L Exp		5.05 in 128.3 mm

Dimension L Fix		4.97 in 126.2 mm

Dimension M		2.97 in 75.4 mm

Dimension N		2.13 in 54.1 mm

Dimension RA		0.37 in 9.4 mm

Dimension SA		4.59 in 116.6 mm

Radial and Thrust Factors

C0 - Static Load		113000 lbf 502000 N

C - Dynamic Load (Basic)		97700 lbf 435000 N

e - Geometry Factor		0.24

Y1 - Geometry Factor		2.85

Y2 - Geometry Factor		4.24

Engineering Seal Speed

Oil Lubrication - M/N Seal		1200 rpm

Oil Lubrication - T Seal		2000 rpm

Oil Lubrication - B/C/O Seal		900 rpm

Grease Lubrication - M/N Seal		1200 rpm

Grease Lubrication - T Seal		1600 rpm

Grease Lubrication - B/C/O Seal		900 rpm

Engineering Bearing Attributes

Float		0.083 in 2.108 mm

Shaft Tolerance		0.0030 in 0.076 mm

Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min		0.0030

Eng Internal Radial Clearance - Max		0.0047

Pre Install Clearance Min		0.0030 in 0.075 mm

Pre Install Clearance Max		0.0047 in 0.120 mm

MORE IMAGES


	· Single Concentric Piloted Flange Cartridge - Dimensional Drawing

VIEW CAD DRAWING



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· 2D Front View


· 2D Left View


· 2D Sales Drawing

DOWNLOADS


		Bearing Life Calculation Tool

		Primary Sealing (PDF, 280KB)

		TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS

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Part Number QAC20A400S, Single Concentric Piloted Flange Cartridge

Engineering Group

Bearing Number

Shaft Size

Shaft Size Type

Full Timken Part Number

Locking Style

Housing Construction

UPC Code

Dimension BC

Dimension B Exp

Dimension B Fix

Dimension C

Dimension D

Dimension E

Dimension F

Dimension G

Dimension H

Dimension J (Bolt Size)

Dimension KA

Dimension L Exp

Dimension L Fix

Dimension M

Dimension N

Dimension RA

Dimension SA

C0 - Static Load

C - Dynamic Load (Basic)

e - Geometry Factor

Y1 - Geometry Factor

Y2 - Geometry Factor

Oil Lubrication - M/N Seal

Oil Lubrication - T Seal

Oil Lubrication - B/C/O Seal

Grease Lubrication - M/N Seal

Grease Lubrication - T Seal

Grease Lubrication - B/C/O Seal

Float

Shaft Tolerance

Eng Internal Radial Clearance - Min

Eng Internal Radial Clearance - Max

Pre Install Clearance Min

Pre Install Clearance Max