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Unit of Measure

Key Dimensions

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22228

Shaft Size

 N/A 4 15/16 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A TA4DI28K415SB TA4DI28K415SC TA4DI28K415SEB TA4DI28K415SEC TA4DI28K415SEM TA4DI28K415SEN TA4DI28K415SEO TA4DI28K415SET TA4DI28K415SM TA4DI28K415SN TA4DI28K415SO TA4DI28K415ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Four-Bolt Pillow Block

Other Dimensions

Dimension A

 N/A 6.25 in158.8 mm

Dimension B

 N/A 12.25 in311.2 mm

Dimension C

 N/A 7.09 in180.1 mm

Dimension D Min

 N/A 15.5 in393.7 mm

Dimension D Max

 N/A 18.06 in458.7 mm

Dimension E

 N/A 2.5 in63.5 mm

Dimension F

 N/A 20.5 in520.7 mm

Dimension G

 N/A 4.74 in120.4 mm

Dimension H

 N/A 2 in50.8 mm

Dimension J (Bolt Size)

 N/A 0.875 in24 mm

Dimension L

 N/A 5.3 in134.6 mm

Dimension M

 N/A 3.05 in77.5 mm

Dimension S

 N/A 5.16 in131 mm

Radial and Thrust Factors

C0 - Static Load

 N/A 237000 lbf1060000 N

C - Dynamic Load (Basic)

 N/A 194000 lbf863000 N

e - Geometry Factor

 N/A 0.25

Y1 - Geometry Factor

 N/A 2.67

Y2 - Geometry Factor

 N/A 3.98

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 650 rpm

Oil Lubrication - T Seal

 N/A 1200 rpm

Oil Lubrication - B/C/O Seal

 N/A 350 rpm

Grease Lubrication - M/N Seal

 N/A 650 rpm

Grease Lubrication - T Seal

 N/A 900 rpm

Grease Lubrication - B/C/O Seal

 N/A 350 rpm

Engineering Bearing Attributes

Float

 N/A 0.083 in2.108 mm

Shaft Tolerance

 N/A 0.0050 in0.127 mm

Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min

 N/A 0.0063

Eng Internal Radial Clearance - Max

 N/A 0.0079

Pre Install Clearance Min

 N/A 0.0063 in0.160 mm

Pre Install Clearance Max

 N/A 0.0079 in0.201 mm