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Unit of Measure

Key Dimensions

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 TAFNL20K308SB TAFNL20K308SC TAFNL20K308SEB TAFNL20K308SEC TAFNL20K308SEM TAFNL20K308SEN TAFNL20K308SEO TAFNL20K308SET TAFNL20K308SM TAFNL20K308SN TAFNL20K308SO TAFNL20K308ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Four-Bolt Square Flange

UPC Code

 N/A 0883450382083 0883450382090 0883450382106 0883450382113 0883450382120 0883450382137 0883450382144 0883450382151 0883450382168 0883450382175 0883450382182 0883450382199

Other Dimensions

Dimension A1

 N/A 13.0 in330 mm

Dimension BC

 N/A 11.02 in279.9 mm

Dimension C

 N/A 5.12 in130 mm

Dimension D

 N/A 7.8 in198.1 mm

Dimension E

 N/A 7.79 in197.9 mm

Dimension F

 N/A 9.84 in250 mm

Dimension H

 N/A 1.18 in30 mm

Dimension J (Bolt Size)

 N/A 0.75 in20 mm

Dimension L Fix

 N/A 4.08 in103.4 mm

Dimension M

 N/A 2.34 in58.4 mm

Dimension N

 N/A 3.58 in90.8 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 0.28

Y1 - Geometry Factor

 N/A 2.43

Y2 - Geometry Factor

 N/A 3.61

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 700 rpm

Oil Lubrication - T Seal

 N/A 1500 rpm

Oil Lubrication - B/C/O Seal

 N/A 400 rpm

Grease Lubrication - M/N Seal

 N/A 700 rpm

Grease Lubrication - T Seal

 N/A 1000 rpm

Grease Lubrication - B/C/O Seal

 N/A 400 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 0.0063 in0.160 mm

Pre Install Clearance Max

 N/A 0.0079 in0.201 mm