Part Number QVVFK20V308S, Double V-Lock Flange Block On The Timken Company


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	Part Number QVVFK20V308S, Double V-Lock Flange Block

Timken-Mounted-Bearing-Double-V-Lock-Four-Bolt-Square-Flange-Block

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Double V-Lock 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		22220

Shaft Size		3 1/2 in

Shaft Size Type		Imperial

Full Timken Part Number		QVVFK20V308SB QVVFK20V308SC QVVFK20V308SEB QVVFK20V308SEC QVVFK20V308SEM QVVFK20V308SEN QVVFK20V308SEO QVVFK20V308SET QVVFK20V308SM QVVFK20V308SN QVVFK20V308SO QVVFK20V308ST

Locking Style		Double V-Lock

Housing Construction		Flange Block

UPC Code		0883450363907 0883450363914 0883450363921 0883450363938 0883450363945 0883450363952 0883450363969 0883450363976 0883450363983 0883450363990 0883450364003 0883450364010

Dimensions

Dimension BC		11-3/4 in 298.5 mm

Dimension C		4.9 in 124.5 mm

Dimension D		8.5 in 215.9 mm

Dimension L		4.46 in 113.3 mm

Dimension E		8.31 in 211.1 mm

Dimension F		10.56 in 268.2 mm

Dimension H		1.5 in 38.1 mm

Dimension J (Bolt Size)		0.875 in 24 mm

Dimension L Exp		4.54 in 115.3 mm

Dimension L Fix		4.46 in 113.3 mm

Dimension N		4.06 in 103.1 mm

Dimension RVV		0.16 in 4.1 mm

Dimension SVV		4.62 in 117.3 mm

Radial and Thrust Factors

C0 - Static Load		113000 lbf 502000 N

C - Dynamic Load (Basic)		97700 lbf 435000 N

e - Geometry Factor		0.26

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		0.0043

Eng Internal Radial Clearance - Max		0.0055

Pre Install Clearance Min		0.0043 in 0.110 mm

Pre Install Clearance Max		0.0055 in 0.140 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 QVVFK20V308S, Double V-Lock 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 L

Dimension E

Dimension F

Dimension H

Dimension J (Bolt Size)

Dimension L Exp

Dimension L Fix

Dimension N

Dimension RVV

Dimension SVV

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