Part Number QAFY20A315S, Single Concentric Round Flange Block On The Timken Company


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	Part Number QAFY20A315S, Single Concentric Round Flange Block

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

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Single Concentric Round 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		22220

Shaft Size		3 15/16 in

Shaft Size Type		Imperial

Full Timken Part Number		QAFY20A315SB QAFY20A315SC QAFY20A315SEB QAFY20A315SEC QAFY20A315SEM QAFY20A315SEN QAFY20A315SEO QAFY20A315SET QAFY20A315SM QAFY20A315SN QAFY20A315SO QAFY20A315ST

Locking Style		Single Concentric

Housing Construction		Round Flange

UPC Code		0883450042406 0883450042413 0883450042444 0883450042451 0883450042468 0883450042475 0883450042482 0883450192064 0883450192224 0883450192385 0883450269421 0883450269582

Dimensions

Dimension BC		10.75 in 273.1 mm

Dimension C		6 in 152.4 mm

Dimension D		8.38 in 212.9 mm

Dimension E		7.6 in 193 mm

Dimension F		12.63 in 320.8 mm

Dimension H		1.13 in 28.7 mm

Dimension J (Bolt Size)		1 in 24 mm

Dimension KA		1.63 in 41.4 mm

Dimension L Exp		4.95 in 125.7 mm

Dimension L Fix		4.87 in 123.7 mm

Dimension M		2.97 in 75.4 mm

Dimension N		3.81 in 96.8 mm

Dimension RA		0.27 in 6.9 mm

Dimension SA		4.59 in 116.6 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		2.85

Y2 - Geometry Factor		4.24

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		0.0030

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 QAFY20A315S, Single 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 KA

Dimension L Exp

Dimension L Fix

Dimension M

Dimension N

Dimension RA

Dimension SA

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