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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 TACK20K308SB TACK20K308SC TACK20K308SEB TACK20K308SEC TACK20K308SEM TACK20K308SEN TACK20K308SEO TACK20K308SET TACK20K308SM TACK20K308SN TACK20K308SO TACK20K308ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Piloted Flange Cartridge

Dimensions

Dimension BC

 N/A 9.38 in238.3 mm

Dimension C

 N/A 5.12 in130 mm

Dimension D

 N/A 8.13 in206.5 mm

Dimension E

 N/A 6.63 in168.4 mm

Dimension F

 N/A 10.88 in276.4 mm

Dimension G

 N/A 8.125 in206.5 mm

Dimension H

 N/A 1 in25.4 mm

Dimension J (Bolt Size)

 N/A 0.75 in20 mm

Dimension L

 N/A 4.33 in110.1 mm

Dimension M

 N/A 2.34 in59.4 mm

Dimension N

 N/A 2.25 in57.2 mm

Dimension R

 N/A 0.51 in13 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 in0.110 mm

Pre Install Clearance Max

 N/A 0.0055 in0.140 mm
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