Part Number QAP20A400S, Single Concentric Two-Bolt Pillow Block On The Timken Company


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	Part Number QAP20A400S, Single Concentric Two-Bolt Pillow Block

Timken-Mounted-Bearing-SIngle-Concentric-Two-Bolt-Pillow-Block

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Single Concentric Two-Bolt Pillow 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		QAP20A400SB QAP20A400SC QAP20A400SEB QAP20A400SEC QAP20A400SEM QAP20A400SEN QAP20A400SEO QAP20A400SET QAP20A400SM QAP20A400SN QAP20A400SO QAP20A400ST

Locking Style		Single Concentric

Housing Construction		Two-Bolt Pillow Block

UPC Code		0883450045704 0883450045711 0883450045735 0883450045742 0883450045759 0883450045766 0883450045773 0883450045780 0883450187978 0883450188135 0883450265478 0883450265638

Dimensions

Dimension A		4.13 in 104.9 mm

Dimension B		8.26 in 209.8 mm

Dimension C		6 in 152.4 mm

Dimension D Min		10.04 in 255 mm

Dimension D Max		12.6 in 320 mm

Dimension F		14.25 in 362 mm

Dimension G		3.73 in 94.7 mm

Dimension H		2 in 50.8 mm

Dimension J (Bolt Size)		1 in 24 mm

Dimension KA		1.63 in 41.4 mm

Dimension L		4.84 in 122.9 mm

Dimension M		2.97 in 75.4 mm

Dimension RA		0.24 in 6.1 mm

Dimension SA		4.6 in 116.8 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 QAP20A400S, Single Concentric Two-Bolt Pillow 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 Min

Dimension D Max

Dimension F

Dimension G

Dimension H

Dimension J (Bolt Size)

Dimension KA

Dimension L

Dimension M

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