Part Number QAAFY18A303S, Double Concentric Round Flange 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 Round Flange Block > Part Number QAAFY18A303S


	Part Number QAAFY18A303S, Double Concentric Round Flange Block

Timken-Mounted-Bearing-Double-Concentric-Round-Flange-Block

larger image

Double Concentric Round Flange Block - Dimensional Drawing

larger image

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		QAAFY18A303SB QAAFY18A303SC QAAFY18A303SEB QAAFY18A303SEC QAAFY18A303SEM QAAFY18A303SEN QAAFY18A303SEO QAAFY18A303SET QAAFY18A303SM QAAFY18A303SN QAAFY18A303SO QAAFY18A303ST

Locking Style		Double Concentric

Housing Construction		Round Flange

UPC Code		0883450273589 0883450273596 0883450273602 0883450273619 0883450273626 0883450273749 0883450273756 0883450273763 0883450273770 0883450273787 0883450273794 0883450273800

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		11.13 in 282.7 mm

Dimension H		1.13 in 28.7 mm

Dimension J (Bolt Size)		0.875 in 24 mm

Dimension L Exp		4.36 in 110.7 mm

Dimension L Fix		4.28 in 108.7 mm

Dimension M		2.59 in 65.8 mm

Dimension N		3.36 in 85.3 mm

Dimension RAA		0.9 in 22.9 mm

Dimension SAA		5.18 in 131.6 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

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

NEW PRODUCT OFFERING



	Self-Aligning Ball Bearings



	PT Tech

Part Number QAAFY18A303S, Double Concentric Round 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 L Exp

Dimension L Fix

Dimension M

Dimension N

Dimension RAA

Dimension SAA

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