Part Number DAAF20K308S, Double Nut Tapered Adapter Flange Block On The Timken Company


All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Nut Tapered Adapter Solid-Mounted Bearings > Double Nut Tapered Adapter Flange Block > Part Number DAAF20K308S


	Part Number DAAF20K308S, Double Nut Tapered Adapter Flange Block

Timken-Mounted-Bearing-Tapered-Adapter-Four-Bolt-Square-Flange-Block

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DAAF-SRB-Solid-Block-Catalog---Line-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		DAAF20K308SB DAAF20K308SC DAAF20K308SEB DAAF20K308SEC DAAF20K308SEM DAAF20K308SEN DAAF20K308SEO DAAF20K308SET DAAF20K308SM DAAF20K308SN DAAF20K308SO DAAF20K308ST

Locking Style		Tapered Adapter

Housing Construction		Flange Block

UPC Code		0883450006927 0883450006934 0883450006958 0883450006965 0883450006972 0883450006989 0883450006996 0883450007009 0883450196567 0883450196765 0883450274074 0883450274272

Dimensions

Dimension BC		9.9 in 251.5 mm

Dimension C		5.12 in 130 mm

Dimension D		7.63 in 193.8 mm

Dimension E		7 in 177.8 mm

Dimension F		8.63 in 219.2 mm

Dimension H		1.31 in 33.3 mm

Dimension J (Bolt Size)		0.75 in 20 mm

Dimension MT		2.3 in 58.4 mm

Dimension N		3.31 in 84.1 mm

Dimension RTT		0.62 in 15.7 mm

Dimension ST		4.8 in 121.83 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		2.55

Y2 - Geometry Factor		3.80

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		0.0040 in 0.102 mm

Engineering Internal Radial Clearance

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 DAAF20K308S, Double Nut Tapered Adapter 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 MT

Dimension N

Dimension RTT

Dimension ST

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

Pre Install Clearance Min

Pre Install Clearance Max