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 TAPK20K308SB TAPK20K308SC TAPK20K308SEB TAPK20K308SEC TAPK20K308SEM TAPK20K308SEN TAPK20K308SEO TAPK20K308SET TAPK20K308SM TAPK20K308SN TAPK20K308SO TAPK20K308ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Four-Bolt Pillow Block

UPC Code

 N/A 0883450131773 0883450131780 0883450131803 0883450131810 0883450131827 0883450131834 0883450131841 0883450131858 0883450198974 0883450199179 0883450276610 0883450276818

Dimensions

Dimension A

 N/A 5 in127 mm

Dimension B

 N/A 9.44 in239.8 mm

Dimension C

 N/A 5.12 in130 mm

Dimension D Min

 N/A 12.5 in317.5 mm

Dimension D Max

 N/A 14 in355.6 mm

Dimension E

 N/A 3.5 in88.9 mm

Dimension F

 N/A 16.75 in425.5 mm

Dimension G

 N/A 5.5 in139.7 mm

Dimension H

 N/A 1.63 in41.4 mm

Dimension J (Bolt Size)

 N/A 0.875 in24 mm

Dimension L

 N/A 5.05 in128.3 mm

Dimension M

 N/A 2.3 in58.4 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 0.24

Y1 - Geometry Factor

 N/A 2.85

Y2 - Geometry Factor

 N/A 4.24

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 in0.109 mm

Pre Install Clearance Max

 N/A 0.0055 in0.140 mm