The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 22228

Shaft Size

 N/A 125 mm

Shaft Size Type

 N/A Metric

Full Timken Part Number

 N/A TAP28K125SB TAPG28K125S TAPG28K125SC TAPG28K125SEB TAPG28K125SEC TAPG28K125SEM TAPG28K125SEN TAPG28K125SEO TAPG28K125SET TAPG28K125SM TAPG28K125SO TAPG28K125ST

Locking Style

 N/A Tapered Adapter

Housing Construction

 N/A Four-Bolt Pillow Block

Dimensions

Dimension A

 N/A 5.91 in150 mm

Dimension B

 N/A 11.36 in288.4 mm

Dimension C

 N/A 7.09 in180.1 mm

Dimension D Min

 N/A 15.13 in384.3 mm

Dimension D Max

 N/A 17.63 in447.8 mm

Dimension E

 N/A 3.15 in80 mm

Dimension F

 N/A 19.7 in500.4 mm

Dimension G

 N/A 5.04 in128 mm

Dimension H

 N/A 1.94 in49.3 mm

Dimension J (Bolt Size)

 N/A 1 in24 mm

Dimension L

 N/A 5.57 in141.5 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