Part Number QAASN20A400S, Double Concentric Two-Bolt Pillow 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 Two-Bolt Pillow Block > Part Number QAASN20A400S


	Part Number QAASN20A400S, Double Concentric Two-Bolt Pillow Block

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

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Double 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		QAASN20A400SB QAASN20A400SC QAASN20A400SEB QAASN20A400SEC QAASN20A400SEM QAASN20A400SEN QAASN20A400SEO QAASN20A400SET QAASN20A400SM QAASN20A400SN QAASN20A400SO QAASN20A400ST

Locking Style		Double Concentric

Housing Construction		Two-Bolt Pillow Block

UPC Code		0883450351621 0883450351638 0883450351645 0883450351652 0883450351669 0883450351676 0883450351683 0883450351690 0883450351706 0883450351713 0883450351720 0883450351737

Dimensions

Dimension A		4.92 in 125 mm

Dimension B		9.49 in 241 mm

Dimension C		5.98 in 152 mm

Dimension D Min		12.56 in 319 mm

Dimension D Max		14.41 in 366 mm

Dimension F		16.14 in 410 mm

Dimension G		3.98 in 101 mm

Dimension H		1.97 in 50 mm

Dimension J (Bolt Size)		0.875 in 24 mm

Dimension L		4.96 in 126 mm

Dimension M		2.97 in 75.4 mm

Dimension RAA		0.98 in 25 mm

Dimension SAA		5.91 in 150 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 QAASN20A400S, Double 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 L

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