Part Number TAPA20K308S, Tapered Adapter Two-Bolt Pillow Block On The Timken Company


All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Tapered Adapter Solid-Block Mounted Bearings > Tapered Adapter Two-Bolt Pillow Block > Part Number TAPA20K308S


	Part Number TAPA20K308S, Tapered Adapter Two-Bolt Pillow Block

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

larger image

Tapered Adapter Two-Bolt Pillow Block - Dimensional Drawing

larger image

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		TAPA20K308SB TAPA20K308SC TAPA20K308SEB TAPA20K308SEC TAPA20K308SEM TAPA20K308SEN TAPA20K308SEO TAPA20K308SET TAPA20K308SM TAPA20K308SN TAPA20K308SO TAPA20K308ST

Locking Style		Tapered Adapter

Housing Construction		Two-Bolt Pillow Block

UPC Code		0883450125772 0883450125789 0883450125802 0883450125819 0883450125826 0883450125833 0883450125840 0883450125857 0883450197779 0883450197977 0883450275279 0883450275477

Dimensions

Dimension A		4.5 in 114.3 mm

Dimension B		8.63 in 219.2 mm

Dimension C		5.12 in 130 mm

Dimension D Min		10.88 in 276.4 mm

Dimension D Max		13.13 in 333.5 mm

Dimension F		14.5 in 368.3 mm

Dimension G		3.42 in 86.9 mm

Dimension H		1.63 in 41.4 mm

Dimension J (Bolt Size)		0.875 in 24 mm

Dimension L		4.03 in 102.4 mm

Dimension M		2.3 in 58.4 mm

Dimension S		3.82 in 97 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 0.110 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

NEW PRODUCT OFFERING



	Self-Aligning Ball Bearings



	PT Tech

Part Number TAPA20K308S, Tapered Adapter Two-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 F

Dimension G

Dimension H

Dimension J (Bolt Size)

Dimension L

Dimension M

Dimension S

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