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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 TAAPH20K308SB TAAPH20K308SC TAAPH20K308SEB TAAPH20K308SEC TAAPH20K308SEM TAAPH20K308SEN TAAPH20K308SEO TAAPH20K308SET TAAPH20K308SM TAAPH20K308SN TAAPH20K308SO TAAPH20K308ST

Locking Style

 N/A Double Nut Tapered Adapter

Housing Construction

 N/A Four-Bolt Pillow Block

UPC Code

 N/A 0883450129770 0883450129787 0883450129800 0883450129817 0883450129824 0883450129831 0883450129848 0883450129855 0883450198578 0883450198776 0883450276078 0883450276276

Other Dimensions

Dimension A

 N/A 4.5 in114.3 mm

Dimension B

 N/A 8.54 in216.9 mm

Dimension C

 N/A 5.12 in130 mm

Dimension D Min

 N/A 10.88 in276.4 mm

Dimension D Max

 N/A 13.38 in339.9 mm

Dimension E

 N/A 2.38 in60.5 mm

Dimension F

 N/A 15 in381 mm

Dimension G

 N/A 4.31 in109.5 mm

Dimension H

 N/A 1.65 in41.9 mm

Dimension J (Bolt Size)

 N/A 0.75 in20 mm

Dimension L

 N/A 4.46 in113.3 mm

Dimension MT

 N/A 2.51 in63.8 mm

Dimension RTT

 N/A 0.42 in10.7 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 in0.109 mm

Pre Install Clearance Max

 N/A 0.0055 in0.140 mm