Part Number QAMH18A308S, Single Concentric Hanger Block On The Timken Company


All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Single Concentric Solid-Block Mounted Bearings > Single Concentric Hanger Block > Part Number QAMH18A308S


	Part Number QAMH18A308S, Single Concentric Hanger Block

Timken-Mounted-Bearing-Single-Concentric-Hanger-Block

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Timken-Mounted-Bearing-Single-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		QAMH18A308SB QAMH18A308SC QAMH18A308SEB QAMH18A308SEC QAMH18A308SEM QAMH18A308SEN QAMH18A308SEO QAMH18A308SET QAMH18A308SM QAMH18A308SN QAMH18A308SO QAMH18A308ST

Locking Style		Single Concentric

UPC Code		0883450416191 0883450416207 0883450416214 0883450416221 0883450416238 0883450416245 0883450416252 0883450416269 0883450416276 0883450416283 0883450416290 0883450416306

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 KA		1.44 in 36.6 mm

Dimension L		3.91 in 99.3 mm

Dimension M		2.59 in 65.8 mm

Dimension RA		0.12 in 3 mm

Dimension SA		4.03 in 102.4 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



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· 2D Left View


· 2D Sales Drawing

DOWNLOADS


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		Primary Sealing (PDF, 280KB)

		TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS

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Part Number QAMH18A308S, Single 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 KA

Dimension L

Dimension M

Dimension RA

Dimension SA

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