Part Number QAAPF18A090S, Double Concentric Four-Bolt Pillow Block On The Timken Company


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	Part Number QAAPF18A090S, 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		90 mm

Shaft Size Type		Metric

Full Timken Part Number		QAAPF18A090SB QAAPF18A090SC QAAPF18A090SEB QAAPF18A090SEC QAAPF18A090SEM QAAPF18A090SEN QAAPF18A090SEO QAAPF18A090SET QAAPF18A090SM QAAPF18A090SN QAAPF18A090SO QAAPF18A090ST

Locking Style		Double Concentric

Housing Construction		Four-Bolt Pillow Block

UPC Code		0883450027403 0883450027410 0883450027434 0883450027441 0883450027458 0883450027465 0883450027472 0883450027489 0883450189569 0883450189699 0883450266901 0883450267045

Dimensions

Dimension A		3.75 in 95.3 mm

Dimension B		7.69 in 195.3 mm

Dimension C		5.13 in 130.3 mm

Dimension D Min		8.88 in 225.6 mm

Dimension D Max		10.88 in 276.4 mm

Dimension E		2 in 50.8 mm

Dimension F		12.3 in 312.4 mm

Dimension G		3.75 in 95.3 mm

Dimension H		1.56 in 39.6 mm

Dimension J (Bolt Size)		0.752 in 20 mm

Dimension L		4.47 in 113.5 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 QAAPF18A090S, 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