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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22228

Shaft Size Type

 N/A Metric

Full Timken Part Number

 N/A TAPA28K125SB TAPA28K125SC TAPA28K125SEB TAPA28K125SEC TAPA28K125SEM TAPA28K125SEN TAPA28K125SEO TAPA28K125SET TAPA28K125SM TAPA28K125SN TAPA28K125SO TAPA28K125ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Two-Bolt Pillow Block

Dimensions

Dimension A

 N/A 6 in

Dimension B

 N/A 11.7 in

Dimension C

 N/A 7.09 in

Dimension D Min

 N/A 15.13 in

Dimension D Max

 N/A 17.38 in

Dimension F

 N/A 19.68 in

Dimension G

 N/A 4.25 in

Dimension H

 N/A 2.04 in

Dimension J (Bolt Size)

 N/A 1.25 in

Dimension L

 N/A 4.74 in

Dimension M

 N/A 3.05 in

Dimension S

 N/A 5.16 in

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 in

Shaft Tolerance

 N/A 0.0050 in

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 in

Pre Install Clearance Max

 N/A 0.0079 in