Part Number QAPL11A055S, Single Concentric Two-Bolt Pillow Block On The Timken Company


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	Part Number QAPL11A055S, 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		22211

Shaft Size		55 mm

Shaft Size Type		Metric

Full Timken Part Number		QAPL11A055SB QAPL11A055SC QAPL11A055SEB QAPL11A055SEC QAPL11A055SEM QAPL11A055SEN QAPL11A055SEO QAPL11A055SET QAPL11A055SM QAPL11A055SN QAPL11A055SO QAPL11A055ST

Locking Style		Single Concentric

Housing Construction		Two-Bolt Pillow Block

UPC Code		0883450332286 0883450332293 0883450332309 0883450332316 0883450332323 0883450332330 0883450332347 0883450332354 0883450332361 0883450332378 0883450332385 0883450332392

Dimensions

Dimension A		2.5 in 63.5 mm

Dimension B		5.25 in 133.4 mm

Dimension C		3.25 in 82.6 mm

Dimension D Min		6.5 in 165.1 mm

Dimension D Max		7.06 in 179.3 mm

Dimension F		8.88 in 225.6 mm

Dimension G		2.58 in 65.5 mm

Dimension H		1.25 in 31.8 mm

Dimension J (Bolt Size)		0.625 in 16 mm

Dimension KA		1.13 in 28.7 mm

Dimension L		3.29 in 83.6 mm

Dimension M		2 in 50.8 mm

Dimension RA		0.16 in 4.1 mm

Dimension SA		3.13 in 79.5 mm

Radial and Thrust Factors

C0 - Static Load		31900 lbf 142000 N

C - Dynamic Load (Basic)		31400 lbf 140000 N

e - Geometry Factor		0.23

Y1 - Geometry Factor		2.95

Y2 - Geometry Factor		4.40

Engineering Seal Speed

Oil Lubrication - M/N Seal		2200 rpm

Oil Lubrication - T Seal		3800 rpm

Oil Lubrication - B/C/O Seal		1600 rpm

Grease Lubrication - M/N Seal		2200 rpm

Grease Lubrication - T Seal		3200 rpm

Grease Lubrication - B/C/O Seal		1600 rpm

Engineering Bearing Attributes

Float		0.050 in 1.270 mm

Shaft Tolerance		0.0015 in 0.038 mm

Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min		0.0016

Eng Internal Radial Clearance - Max		0.0026

Pre Install Clearance Min		0.0016 in 0.040 mm

Pre Install Clearance Max		0.0026 in 0.065 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 QAPL11A055S, 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