Part Number QAAMH18A308S, Double Concentric Hanger Block On The Timken Company


All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Concentric Solid-Block Mounted Bearings > Double Concentric Hanger Block > Part Number QAAMH18A308S


	Part Number QAAMH18A308S, Double Concentric Hanger Block

Timken-Mounted-Bearing-Double-Concentric-Hanger-Block

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Timken-Mounted-Bearing-Double-Concentric-Hanger-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		3 1/2 in

Shaft Size Type		Imperial

Full Timken Part Number		QAAMH18A308SB QAAMH18A308SC QAAMH18A308SEB QAAMH18A308SEC QAAMH18A308SEM QAAMH18A308SEN QAAMH18A308SEO QAAMH18A308SET QAAMH18A308SM QAAMH18A308SN QAAMH18A308SO QAAMH18A308ST

Locking Style		Double Concentric

UPC Code		0883450413688 0883450413695 0883450413701 0883450413718 0883450413725 0883450413732 0883450413749 0883450413756 0883450413763 0883450413770 0883450413787 0883450413794

Dimensions

Dimension A		6.31 in 160.3 mm

Dimension B		10 1/4 in 260.4 mm

Dimension C		5.13 in 130.3 mm

Dimension D		7.88 in 200.2 mm

Dimension E		2.5 in 63.5 mm

Dimension F		3 in 76.2 mm

Dimension G		3 in 76.2 mm

Dimension L		3.91 in 99.3 mm

Dimension M		2.59 in 65.8 mm

Dimension RAA		1.27 in 32.3 mm

Dimension SAA		5.18 in 131.6 mm

Thread Size J		1 1/4-7UNC

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 QAAMH18A308S, Double Concentric Hanger Block

Engineering Group

Bearing Number

Shaft Size

Shaft Size Type

Full Timken Part Number

Locking Style

UPC Code

Dimension A

Dimension B

Dimension C

Dimension D

Dimension E

Dimension F

Dimension G

Dimension L

Dimension M

Dimension RAA

Dimension SAA

Thread Size J

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