Part Number QAMC18A303S, Single Concentric Cartridge Block On The Timken Company


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	Part Number QAMC18A303S, Single Concentric Cartridge Block

Timken-Mounted-Bearing-Single-Concentric-Cartridge-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		22218

Shaft Size		3 3/16 in

Shaft Size Type		Imperial

Full Timken Part Number		QAMC18A303SB QAMC18A303SC QAMC18A303SEB QAMC18A303SEC QAMC18A303SEM QAMC18A303SEN QAMC18A303SEO QAMC18A303SET QAMC18A303SM QAMC18A303SN QAMC18A303SO QAMC18A303ST

Locking Style		Single Concentric

Housing Construction		Cartridge

UPC Code		883450330480 883450330497 883450330503 883450330510 883450330527 883450330534 883450330541 883450330558 883450330565 883450330572 883450330589 883450330596

Dimensions

Dimension A		0.59 in 15 mm

Dimension B		1.06 in 26.9 mm

Dimension C		5.13 in 130.3 mm

Dimension D		0.23 in 5.8 mm

Dimension F		6.7500 in 171.5 mm

Dimension G		3.45 in 87.6 mm

Dimension KA		1.44 in 36.6 mm

Dimension L Exp		4.42 in 112.3 mm

Dimension L Fix		4.34 in 110.2 mm

Dimension M		2.59 in 65.8 mm

Dimension RA		0.29 in 7.4 mm

Dimension SA		4.03 in 102.4 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

MORE IMAGES


	· Single Concentric Cartridge 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 QAMC18A303S, Single Concentric Cartridge 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

Dimension F

Dimension G

Dimension KA

Dimension L Exp

Dimension L Fix

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