Part Number QVVPR28V125S, Double V-Lock Four-Bolt Pillow Block On The Timken Company


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	Part Number QVVPR28V125S, Double V-Lock Four-Bolt Pillow Block

Timken-Mounted-Bearing-Double-V-Lock-Four-Bolt-Pillow-Block

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Double V-Lock Four-Bolt Pillow Block - Dimensional Drawing

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Specifications · Dimensions · Radial and Thrust Factors · Engineering Seal Speed · Engineering Bearing Attributes · Engineering Internal Radial Clearance

Specifications

Engineering Group		Mounted Bearing

Bearing Number		22228

Shaft Size		125 mm

Shaft Size Type		Metric

Full Timken Part Number		QVVPR28V125SB QVVPR28V125SC QVVPR28V125SEB QVVPR28V125SEC QVVPR28V125SEM QVVPR28V125SEN QVVPR28V125SEO QVVPR28V125SET QVVPR28V125SM QVVPR28V125SN QVVPR28V125SO QVVPR28V125ST

Locking Style		Double V-Lock

Housing Construction		Four-Bolt Pillow Block

Dimensions

Dimension A		5.5 in 139.7 mm

Dimension B		11.01 in 179.7 mm

Dimension C		7.48 in 190 mm

Dimension D Min		13 in 330.2 mm

Dimension D Max		15.88 in 403.4 mm

Dimension E		2.81 in 71.4 mm

Dimension F		17.5 in 444.5 mm

Dimension G		5.04 in 128 mm

Dimension H		1.54 in 39.1 mm

Dimension J (Bolt Size)		0.875 in 24 mm

Dimension L		6.03 in 153.2 mm

Dimension RVV		1.24 in 31.5 mm

Dimension SVV		7.02 in 178.4 mm

Radial and Thrust Factors

C0 - Static Load		237000 lbf 1060000 N

C - Dynamic Load (Basic)		194000 lbf 863000 N

e - Geometry Factor		0.25

Y1 - Geometry Factor		2.67

Y2 - Geometry Factor		3.98

Engineering Seal Speed

Oil Lubrication - M/N Seal		650 rpm

Oil Lubrication - T Seal		1200 rpm

Oil Lubrication - B/C/O Seal		350 rpm

Grease Lubrication - M/N Seal		650 rpm

Grease Lubrication - T Seal		900 rpm

Grease Lubrication - B/C/O Seal		350 rpm

Engineering Bearing Attributes

Float		0.083 in 2.108 mm

Shaft Tolerance		0.0050 in 0.127 mm

Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min		0.0063

Eng Internal Radial Clearance - Max		0.0079

Pre Install Clearance Min		0.0063 in 0.160 mm

Pre Install Clearance Max		0.0079 in 0.201 mm

VIEW CAD DRAWING



· 3D


· 2D Front View


· 2D Left View


· 2D Sales Drawing

DOWNLOADS


		Bearing Life Calculation Tool

		Primary Sealing (PDF, 280KB)

		TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS

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Part Number QVVPR28V125S, Double V-Lock Four-Bolt Pillow Block

Engineering Group

Bearing Number

Shaft Size

Shaft Size Type

Full Timken Part Number

Locking Style

Housing Construction

Dimension A

Dimension B

Dimension C

Dimension D Min

Dimension D Max

Dimension E

Dimension F

Dimension G

Dimension H

Dimension J (Bolt Size)

Dimension L

Dimension RVV

Dimension SVV

C0 - Static Load

C - Dynamic Load (Basic)

e - Geometry Factor

Y1 - Geometry Factor

Y2 - Geometry Factor

Oil Lubrication - M/N Seal

Oil Lubrication - T Seal

Oil Lubrication - B/C/O Seal

Grease Lubrication - M/N Seal

Grease Lubrication - T Seal

Grease Lubrication - B/C/O Seal

Float

Shaft Tolerance

Eng Internal Radial Clearance - Min

Eng Internal Radial Clearance - Max

Pre Install Clearance Min

Pre Install Clearance Max