Part Number QAAPX18A080S, Double Concentric Four-Bolt Pillow Block On The Timken Company


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	Part Number QAAPX18A080S, 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		22218

Shaft Size		80 mm

Shaft Size Type		Metric

Full Timken Part Number		QAAPX18A080SB QAAPX18A080SC QAAPX18A080SEB QAAPX18A080SEC QAAPX18A080SEM QAAPX18A080SEN QAAPX18A080SEO QAAPX18A080SET QAAPX18A080SM QAAPX18A080SN QAAPX18A080SO QAAPX18A080ST

Locking Style		Double Concentric

Housing Construction		Four-Bolt Pillow Block

UPC Code		0883450010849 0883450010917 0883450010948 0883450011013 0883450011044 0883450011112 0883450011143 0883450011211 0883450011242 0883450011310 0883450267656 0883450267878

Dimensions

Dimension A		4 in 101.6 mm

Dimension B		7.92 in 201.2 mm

Dimension C		5.13 in 130.3 mm

Dimension D Min		10.81 in 274.6 mm

Dimension D Max		12.19 in 309.6 mm

Dimension E		3 in 76.2 mm

Dimension F		15 in 381 mm

Dimension G		4.75 in 120.7 mm

Dimension H		1.5 in 38.1 mm

Dimension J (Bolt Size)		0.75 in 20 mm

Dimension L		4.97 in 126.2 mm

Dimension M		2.59 in 65.8 mm

Dimension RAA		0.84 in 21.3 mm

Dimension SAA		5.18 in 131.6 mm

Radial and Thrust Factors

C0 - Static Load		87200 lbf 388000 N

C - Dynamic Load (Basic)		79700 lbf 355000 N

e - Geometry Factor		0.23

Y1 - Geometry Factor		2.90

Y2 - Geometry Factor		4.31

Engineering Seal Speed

Oil Lubrication - M/N Seal		1400 rpm

Oil Lubrication - T Seal		2400 rpm

Oil Lubrication - B/C/O Seal		1000 rpm

Grease Lubrication - M/N Seal		1400 rpm

Grease Lubrication - T Seal		2000 rpm

Grease Lubrication - B/C/O Seal		1000 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		0.0024

Eng Internal Radial Clearance - Max		0.0039

Pre Install Clearance Min		0.0024 in 0.060 mm

Pre Install Clearance Max		0.0039 in 0.100 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 QAAPX18A080S, 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