Part Number QASN11A203S, Single Concentric Two-Bolt Pillow Block On The Timken Company


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	Part Number QASN11A203S, Single Concentric Two-Bolt Pillow Block

Timken-Mounted-Bearing-SIngle-Concentric-Two-Bolt-Pillow-Block

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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		QASN11A203SB QASN11A203SC QASN11A203SEB QASN11A203SEC QASN11A203SEM QASN11A203SEN QASN11A203SEO QASN11A203SET QASN11A203SM QASN11A203SN QASN11A203SO QASN11A203ST

Locking Style		Single Concentric

Housing Construction		Two-Bolt Pillow Block

UPC Code		0883450353205 0883450353212 0883450353229 0883450353236 0883450353243 0883450353250 0883450353267 0883450353274 0883450353281 0883450353298 0883450353304 0883450353311

Dimensions

Dimension A		2.76 in 70 mm

Dimension B		5.55 in 141 mm

Dimension C		3.27 in 83 mm

Dimension D Min		7.2 in 183 mm

Dimension D Max		8.5 in 216 mm

Dimension F		10 in 254 mm

Dimension G		2.68 in 68 mm

Dimension H		0.98 in 25 mm

Dimension J (Bolt Size)		0.625 in 16 mm

Dimension KA		1.14 in 29 mm

Dimension L		3.35 in 85 mm

Dimension M		2.01 in 51 mm

Dimension RA		0.20 in 5 mm

Dimension SA		3.15 in 80 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

MORE IMAGES


	· Single Concentric Two-Bolt Pillow Block - Dimensional Drawing

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 QASN11A203S, 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