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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 DAAFL20K308SB DAAFL20K308SC DAAFL20K308SEB DAAFL20K308SEC DAAFL20K308SEM DAAFL20K308SEN DAAFL20K308SEO DAAFL20K308SET DAAFL20K308SM DAAFL20K308SN DAAFL20K308SO DAAFL20K308ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Four-Bolt Square Flange

Other Dimensions

Dimension BC

 N/A 9.5 in241.3 mm

Dimension C

 N/A 5.12 in130 mm

Dimension D

 N/A 8 in203.2 mm

Dimension E

 N/A 6.72 in170.6 mm

Dimension F

 N/A 8.38 in212.7 mm

Dimension H

 N/A 1.25 in31.8 mm

Dimension J (Bolt Size)

 N/A 0.75 in20 mm

Dimension L Exp

 N/A 4.13 in104.8 mm

Dimension L Fix

 N/A 4.05 in102.8 mm

Dimension MT

 N/A 2.51 in63.8 mm

Dimension N

 N/A 3.5 in88.7 mm

Dimension RTT

 N/A 0.54 in13.8 mm

Dimension ST

 N/A 4.8 in121.9 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