Part Number QAMC20A315S, Single Concentric Cartridge 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 Cartridge Block > Part Number QAMC20A315S


	Part Number QAMC20A315S, Single Concentric Cartridge Block

Timken-Mounted-Bearing-Single-Concentric-Cartridge-Block

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Single Concentric Cartridge 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		QAMC20A315SB QAMC20A315SC QAMC20A315SEB QAMC20A315SEC QAMC20A315SEM QAMC20A315SEN QAMC20A315SEO QAMC20A315SET QAMC20A315SM QAMC20A315SN QAMC20A315SO QAMC20A315ST

Locking Style		Single Concentric

Housing Construction		Cartridge

UPC Code		0883450044004 0883450044011 0883450044035 0883450044042 0883450044059 0883450044066 0883450044073 0883450044080 0883450194631 0883450194792 0883450271806 0883450271967

Dimensions

Dimension A		0.78 in 19.8 mm

Dimension B		1.28 in 32.5 mm

Dimension C		6 in 152.4 mm

Dimension D		0.31 in 7.9 mm

Dimension F		8.1250 in 206.4 mm

Dimension G		4.14 in 105.2 mm

Dimension KA		1.63 in 41.4 mm

Dimension L Exp		5.13 in 130.3 mm

Dimension L Fix		5.05 in 128.3 mm

Dimension M		2.97 in 75.4 mm

Dimension RA		0.45 in 11.4 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 QAMC20A315S, Single Concentric Cartridge Block

Engineering Group

Bearing Number

Shaft Size

Shaft Size Type

Full Timken Part Number

Locking Style

Housing Construction

UPC Code

Dimension A

Dimension B

Dimension C

Dimension D

Dimension F

Dimension G

Dimension KA

Dimension L Exp

Dimension L Fix

Dimension M

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