Part Number QAAPX22A408S, Double Concentric Four-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 Four-Bolt Pillow Block > Part Number QAAPX22A408S


	Part Number QAAPX22A408S, Double Concentric Four-Bolt Pillow Block

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

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Double Concentric Four-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		22222

Shaft Size		4 1/2 in

Shaft Size Type		Imperial

Full Timken Part Number		QAAPX22A408SB QAAPX22A408SC QAAPX22A408SEB QAAPX22A408SEC QAAPX22A408SEM QAAPX22A408SEN QAAPX22A408SEO QAAPX22A408SET QAAPX22A408SM QAAPX22A408SN QAAPX22A408SO QAAPX22A408ST

Locking Style		Double Concentric

Housing Construction		Four-Bolt Pillow Block

UPC Code		0883450304184 0883450304191 0883450304207 0883450304214 0883450304221 0883450304238 0883450304245 0883450304252 0883450304269 0883450304276 0883450304283 0883450304290

Dimensions

Dimension A		5-3/4 in 146.1 mm

Dimension B		10.78 in 273.8 mm

Dimension C		6.29 in 159.8 mm

Dimension D Min		13.94 in 354.1 mm

Dimension D Max		15.56 in 395.2 mm

Dimension E		4 in 101.6 mm

Dimension F		18.5 in 469.9 mm

Dimension G		6-1/4 in 158.8 mm

Dimension H		1.8 in 45.7 mm

Dimension J (Bolt Size)		1 in 24 mm

Dimension L		6.25 in 158.8 mm

Dimension M		3.13 in 79.5 mm

Dimension RAA		1.13 in 28.7 mm

Dimension SAA		6.25 in 158.8 mm

Radial and Thrust Factors

C0 - Static Load		147000 lbf 653000 N

C - Dynamic Load (Basic)		125000 lbf 555000 N

e - Geometry Factor		0.25

Y1 - Geometry Factor		2.73

Y2 - Geometry Factor		4.06

Engineering Seal Speed

Oil Lubrication - M/N Seal		900 rpm

Oil Lubrication - T Seal		1700 rpm

Oil Lubrication - B/C/O Seal		600 rpm

Grease Lubrication - M/N Seal		900 rpm

Grease Lubrication - T Seal		1200 rpm

Grease Lubrication - B/C/O Seal		600 rpm

Engineering Bearing Attributes

Float		0.083 in 2.108 mm

Shaft Tolerance		0.0050 in 0.127 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 QAAPX22A408S, Double Concentric Four-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 E

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