Part Number QAAMC20A400S, Double Concentric Cartridge Block On The Timken Company


All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Concentric Solid-Block Mounted Bearings > Double Concentric Cartridge Block > Part Number QAAMC20A400S


	Part Number QAAMC20A400S, Double Concentric Cartridge Block

Timken-Mounted-Bearing-Double-Concentric-Cartridge-Block

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Double Concentric Cartridge Block - Dimensional Drawing

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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		QAAMC20A400SB QAAMC20A400SC QAAMC20A400SEB QAAMC20A400SEC QAAMC20A400SEM QAAMC20A400SEN QAAMC20A400SEO QAAMC20A400SET QAAMC20A400SM QAAMC20A400SN QAAMC20A400SO QAAMC20A400ST

Locking Style		Double Concentric

Housing Construction		Cartridge

UPC Code		0883450025003 0883450025010 0883450025034 0883450025041 0883450025058 0883450025065 0883450025072 0883450025089 0883450194969 0883450195133 0883450272131 0883450272308

Dimensions

Dimension A		0.78 in 19.8 mm

Dimension B		1.28 in 32.5 mm

Dimension C		6 in 152.4 mm

Dimension D		0.31 in 7.9 mm

Dimension F		8.1250 in 206.4 mm

Dimension G		4.14 in 105.2 mm

Dimension L Exp		5.13 in 130.3 mm

Dimension L Fix		5.05 in 128.3 mm

Dimension M		2.97 in 75.4 mm

Dimension RAA		0.89 in 22.6 mm

Dimension SAA		5.94 in 150.9 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

VIEW CAD DRAWING



· 3D


· 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 QAAMC20A400S, Double Concentric Cartridge Block

Engineering Group

Bearing Number

Shaft Size

Shaft Size Type

Full Timken Part Number

Locking Style

Housing Construction

UPC Code

Dimension A

Dimension B

Dimension C

Dimension D

Dimension F

Dimension G

Dimension L Exp

Dimension L Fix

Dimension M

Dimension RAA

Dimension SAA

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