Part Number DAAPF20K308S, Double Nut Tapered Adapter Four-Bolt Pillow 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 Four-Bolt Pillow Block > Part Number DAAPF20K308S


	Part Number DAAPF20K308S, Double Nut Tapered Adapter Four-Bolt Pillow Block

Timken-Mounted-Bearing-Tapered-Adapter-Four-Bolt-Pillow-Block

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DAAPF-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		DAAPF20K308SB DAAPF20K308SC DAAPF20K308SEB DAAPF20K308SEC DAAPF20K308SEM DAAPF20K308SEN DAAPF20K308SEO DAAPF20K308SET DAAPF20K308SM DAAPF20K308SN DAAPF20K308SO DAAPF20K308ST

Locking Style		Double Nut Tapered Adapter

Housing Construction		Four-Bolt Pillow Block

UPC Code		0883450010924 0883450010931 0883450010955 0883450010962 0883450010979 0883450010986 0883450010993 0883450011006 0883450196161 0883450196369 0883450273671 0883450273879

Dimensions

Dimension A		3.75 in 95.3 mm

Dimension B		7.88 in 200.2 mm

Dimension C		5.12 in 130 mm

Dimension D Min		8.88 in 225.6 mm

Dimension D Max		10.88 in 276.4 mm

Dimension E		2 in 50.8 mm

Dimension F		12.3 in 312.4 mm

Dimension G		3.75 in 95.3 mm

Dimension H		1.56 in 39.6 mm

Dimension J (Bolt Size)		0.75 in 20 mm

Dimension L		3.99 in 101.3 mm

Dimension MT		2.51 in 63.8 mm

Dimension RTT		0.54 in 13.8 mm

Dimension ST		4.8 in 121.9 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		0.0040 in 0.102 mm

Engineering Internal Radial Clearance

Pre Install Clearance Min		0.0043 in 0.109 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 DAAPF20K308S, Double Nut Tapered Adapter Four-Bolt Pillow 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 Min

Dimension D Max

Dimension E

Dimension F

Dimension G

Dimension H

Dimension J (Bolt Size)

Dimension L

Dimension MT

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