Part Number QAFLP18A307S, Single Concentric Flange Block On The Timken Company


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	Part Number QAFLP18A307S, Single Concentric Flange Block

Timken-Mounted-Bearing-Single-Concentric-Four-Bolt-Square-Flange-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 7/16 in

Shaft Size Type		Imperial

Full Timken Part Number		QAFLP18A307SB QAFLP18A307SC QAFLP18A307SEB QAFLP18A307SEC QAFLP18A307SEM QAFLP18A307SEN QAFLP18A307SEO QAFLP18A307SET QAFLP18A307SM QAFLP18A307SN QAFLP18A307SO QAFLP18A307ST

Locking Style		Single Concentric

Housing Construction		Flange Block

UPC Code		0883450040907 0883450040914 0883450040938 0883450040945 0883450040952 0883450040969 0883450040976 0883450040983 0883450191432 0883450191593 0883450268790 0883450268950

Dimensions

Dimension BC		9.5 in 241.3 mm

Dimension C		5.13 in 130.3 mm

Dimension D		8.39 in 213.1 mm

Dimension E		7.6 in 193 mm

Dimension F		9.5 in 241.3 mm

Dimension H		1.5 in 38.1 mm

Dimension J (Bolt Size)		1 in 24 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		4.12 in 104.6 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		113000 lbf 502000 N

C - Dynamic Load (Basic)		97700 lbf 435000 N

e - Geometry Factor		0.24

Y1 - Geometry Factor		2.84

Y2 - Geometry Factor		4.23

Engineering Seal Speed

Oil Lubrication - M/N Seal		1200 rpm

Oil Lubrication - T Seal		2000 rpm

Oil Lubrication - B/C/O Seal		900 rpm

Grease Lubrication - M/N Seal		1200 rpm

Grease Lubrication - T Seal		1600 rpm

Grease Lubrication - B/C/O Seal		900 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		0.003

Eng Internal Radial Clearance - Max		0.0047

Pre Install Clearance Min		0.0030 in 0.075 mm

Pre Install Clearance Max		0.0047 in 0.120 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 QAFLP18A307S, 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