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Unit of Measure

Key Dimensions

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 QVPX28V125SB QVPX28V125SC QVPX28V125SEB QVPX28V125SEC QVPX28V125SEM QVPX28V125SEN QVPX28V125SEO QVPX28V125SET QVPX28V125SM QVPX28V125SN QVPX28V125SO QVPX28V125ST

Locking Style

 N/A Single V-Lock

Housing Construction

 N/A Four-Bolt Pillow Block

Other Dimensions

Dimension A

 N/A 6.13 in155.7 mm

Dimension B

 N/A 11.55 in293.4 mm

Dimension C

 N/A 7.48 in190 mm

Dimension D Min

 N/A 15.25 in387.4 mm

Dimension D Max

 N/A 16.75 in425.5 mm

Dimension E

 N/A 4.25 in108 mm

Dimension F

 N/A 20.25 in514.4 mm

Dimension G

 N/A 6.75 in171.5 mm

Dimension H

 N/A 2 in50.8 mm

Dimension J (Bolt Size)

 N/A 1 in24 mm

Dimension L

 N/A 6.89 in175 mm

Dimension RV

 N/A 0.21 in5.4 mm

Dimension SV

 N/A 5.82 in147.8 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