Part Number QAAF20A400S, Double Concentric Flange 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 Flange Block > Part Number QAAF20A400S


	Part Number QAAF20A400S, Double Concentric Flange Block

Timken-Mounted-Bearing-Double-Concentric-Four-Bolt-Square-Flange-Block

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Double Concentric Four Bolt Square Flange 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		QAAF20A400SB QAAF20A400SC QAAF20A400SEB QAAF20A400SEC QAAF20A400SEM QAAF20A400SEN QAAF20A400SEO QAAF20A400SET QAAF20A400SM QAAF20A400SN QAAF20A400SO QAAF20A400ST

Locking Style		Double Concentric

Housing Construction		Flange Block

UPC Code		0883450019903 0883450019910 0883450019934 0883450019941 0883450019958 0883450019965 0883450019972 0883450019989 0883450191098 0883450191265 0883450268455 0883450268622

Dimensions

Dimension BC		10.96 in 278.4 mm

Dimension C		6 in 152.4 mm

Dimension D		8.75 in 222.3 mm

Dimension E		7 3/4 in 196.9 mm

Dimension F		9.97 in 253.2 mm

Dimension H		1.5 in 38.1 mm

Dimension J (Bolt Size)		0.875 in 24 mm

Dimension L Exp		5.04 in 128 mm

Dimension L Fix		4.96 in 126 mm

Dimension M		2.97 in 75.4 mm

Dimension N		4.06 in 103.1 mm

Dimension RAA		0.95 in 24.1 mm

Dimension SAA		5.92 in 150.4 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		2.84

Y2 - Geometry Factor		4.23

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 QAAF20A400S, Double Concentric Flange Block

Engineering Group

Bearing Number

Shaft Size

Shaft Size Type

Full Timken Part Number

Locking Style

Housing Construction

UPC Code

Dimension BC

Dimension C

Dimension D

Dimension E

Dimension F

Dimension H

Dimension J (Bolt Size)

Dimension L Exp

Dimension L Fix

Dimension M

Dimension N

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