Part Number QAP11A203S, Single Concentric Two-Bolt Pillow Block On The Timken Company


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	Part Number QAP11A203S, 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		2 3/16 in

Shaft Size Type		Imperial

Full Timken Part Number		QAP11A203SB QAP11A203SC QAP11A203SEB QAP11A203SEC QAP11A203SEM QAP11A203SEN QAP11A203SEO QAP11A203SET QAP11A203SM QAP11A203SN QAP11A203SO QAP11A203ST QAP11A203STNG

Locking Style		Single Concentric

Housing Construction		Two-Bolt Pillow Block

UPC Code		0883450044509 0883450044516 0883450044530 0883450044547 0883450044554 0883450044561 0883450044578 0883450044585 0883450187855 0883450188012 0883450265355 0883450265515 0883450960960

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		7.88 in 200.2 mm

Dimension F		9.63 in 244.6 mm

Dimension G		2.63 in 66.8 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		3.32 in 84.3 mm

Dimension M		2 in 50.8 mm

Dimension RA		0.19 in 4.8 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 QAP11A203S, 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