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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 TAPK28K415SB TAPK28K415SC TAPK28K415SEB TAPK28K415SEC TAPK28K415SEM TAPK28K415SEN TAPK28K415SEO TAPK28K415SET TAPK28K415SM TAPK28K415SN TAPK28K415SO TAPK28K415ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Four-Bolt Pillow Block

Other Dimensions

Dimension A

 N/A 6.69 in169.9 mm

Dimension B

 N/A 12.69 in322.3 mm

Dimension C

 N/A 7.09 in180.1 mm

Dimension D Min

 N/A 17.5 in444.5 mm

Dimension D Max

 N/A 19.13 in485.9 mm

Dimension E

 N/A 3.69 in93.7 mm

Dimension F

 N/A 22 in558.8 mm

Dimension G

 N/A 6.19 in157.2 mm

Dimension H

 N/A 2 in50.8 mm

Dimension J (Bolt Size)

 N/A 1.125 in24 mm

Dimension L

 N/A 6.15 in156.2 mm

Dimension M

 N/A 3.05 in77.5 mm

Dimension S

 N/A 5.16 in131.1 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