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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 DAAF20K308SB DAAF20K308SC DAAF20K308SEB DAAF20K308SEC DAAF20K308SEM DAAF20K308SEN DAAF20K308SEO DAAF20K308SET DAAF20K308SM DAAF20K308SN DAAF20K308SO DAAF20K308ST

Locking Style

N/A Tapered Adapter

Housing Construction

N/A Four-Bolt Square Flange

UPC Code

N/A 0883450006927 0883450006934 0883450006958 0883450006965 0883450006972 0883450006989 0883450006996 0883450007009 0883450196567 0883450196765 0883450274074 0883450274272

Dimensions

Dimension BC

N/A 9.9 in251.5 mm

Dimension C

N/A 5.12 in130 mm

Dimension D

N/A 7.63 in193.8 mm

Dimension E

N/A 7 in177.8 mm

Dimension F

N/A 8.63 in219.2 mm

Dimension H

N/A 1.31 in33.3 mm

Dimension J (Bolt Size)

N/A 0.75 in20 mm

Dimension MT

N/A 2.3 in58.4 mm

Dimension N

N/A 3.31 in84.1 mm

Dimension RTT

N/A 0.62 in15.7 mm

Dimension ST

N/A 4.8 in121.83 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
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