The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22220

Shaft Size

 N/A 3 1/2 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A TAFC20K308SB TAFC20K308SC TAFC20K308SEB TAFC20K308SEC TAFC20K308SEM TAFC20K308SEN TAFC20K308SEO TAFC20K308SET TAFC20K308SM TAFC20K308SN TAFC20K308SO TAFC20K308ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Flange Block

UPC Code

 N/A 0883450121774 0883450121781 0883450121804 0883450121811 0883450121828 0883450121835 0883450121842 0883450121859 0883450199773 0883450199971 0883450277419 0883450277617

Dimensions

Dimension A1

 N/A 13.0 in330.2 mm

Dimension BC

 N/A 11.02 in279.9 mm

Dimension C

 N/A 5.12 in130 mm

Dimension D

 N/A 9.06 in230.1 mm

Dimension E

 N/A 7.79 in197.9 mm

Dimension F

 N/A 9.76 in247.9 mm

Dimension H

 N/A 1.13 in28.7 mm

Dimension J (Bolt Size)

 N/A 0.75 in20 mm

Dimension G

 N/A 1.25 in31.75 mm

Dimension L

 N/A 4.16 in105.7 mm

Dimension M

 N/A 2.3 in58.4 mm

Dimension N

 N/A 3.71 in94.2 mm

Dimension S

 N/A 3.82 in97 mm

Radial and Thrust Factors

C0 - Static Load

 N/A 113000 lbf502000 N

C - Dynamic Load (Basic)

 N/A 97700 lbf435000 N

e - Geometry Factor

 N/A 0.26

Y1 - Geometry Factor

 N/A 2.55

Y2 - Geometry Factor

 N/A 3.80

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 1200 rpm

Oil Lubrication - T Seal

 N/A 2000 rpm

Oil Lubrication - B/C/O Seal

 N/A 900 rpm

Grease Lubrication - M/N Seal

 N/A 1200 rpm

Grease Lubrication - T Seal

 N/A 1600 rpm

Grease Lubrication - B/C/O Seal

 N/A 900 rpm

Engineering Bearing Attributes

Float

 N/A 0.083 in2.108 mm

Shaft Tolerance

 N/A 0.0040 in0.102 mm

Engineering Internal Radial Clearance

Pre Install Clearance Min

 N/A 0.0043 in0.110 mm

Pre Install Clearance Max

 N/A 0.0055 in0.140 mm