Part Number QAFL18A307S, Single Concentric Flange Block On The Timken Company


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	Part Number QAFL18A307S, Single Concentric Flange Block

Timken-Mounted-Bearing-Single-Concentric-Four-Bolt-Square-Flange-Block

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Single Concentric Four Bolt Square Flange 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 7/16 in

Shaft Size Type		Imperial

Full Timken Part Number		QAFL18A307SB QAFL18A307SBT QAFL18A307SC QAFL18A307SEB QAFL18A307SEC QAFL18A307SEM QAFL18A307SEMNP QAFL18A307SEN QAFL18A307SEO QAFL18A307SET QAFL18A307SM QAFL18A307SMNP QAFL18A307SN QAFL18A307SO QAFL18A307ST QAFL18A307STNG

Locking Style		Single Concentric

Housing Construction		Flange Block

UPC Code		0883450040600 0883450040617 0883450040631 0883450040648 0883450040655 0883450040662 0883450040679 0883450040686 0883450191395 0883450191555 0883450268752 0883450268912 0883450459198 0883450492584 0883450492607 0883450959308

Dimensions

Dimension BC		9.5 in 241.3 mm

Dimension C		5.13 in 130.3 mm

Dimension D		7.63 in 193.8 mm

Dimension E		6.72 in 170.7 mm

Dimension F		8.38 in 212.9 mm

Dimension H		1.28 in 32.5 mm

Dimension J (Bolt Size)		0.75 in 20 mm

Dimension KA		1.44 in 36.6 mm

Dimension L Exp		4.27 in 108.5 mm

Dimension L Fix		4.19 in 106.4 mm

Dimension M		2.59 in 65.8 mm

Dimension N		3.4 in 86.4 mm

Dimension RA		0.16 in 4.1 mm

Dimension SA		4.03 in 102.4 mm

Dimension G		7.375 in 187.33 mm

Radial and Thrust Factors

C0 - Static Load		48600 lbf 216000 N

C - Dynamic Load (Basic)		46400 lbf 206000 N

e - Geometry Factor		0.25

Y1 - Geometry Factor		2.69

Y2 - Geometry Factor		4.00

Engineering Seal Speed

Oil Lubrication - M/N Seal		1800 rpm

Oil Lubrication - T Seal		3200 rpm

Oil Lubrication - B/C/O Seal		1500 rpm

Grease Lubrication - M/N Seal		1800 rpm

Grease Lubrication - T Seal		2800 rpm

Grease Lubrication - B/C/O Seal		1500 rpm

Engineering Bearing Attributes

Float		0.083 in 2.108 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		0.0024 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


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		Primary Sealing (PDF, 280KB)

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Part Number QAFL18A307S, Single Concentric Flange Block

Engineering Group

Bearing Number

Shaft Size

Shaft Size Type

Full Timken Part Number

Locking Style

Housing Construction

UPC Code

Dimension BC

Dimension C

Dimension D

Dimension E

Dimension F

Dimension H

Dimension J (Bolt Size)

Dimension KA

Dimension L Exp

Dimension L Fix

Dimension M

Dimension N

Dimension RA

Dimension SA

Dimension G

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