Part Number QMPH30J508S, Eccentric Four-Bolt Pillow Block On The Timken Company


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	Part Number QMPH30J508S, Eccentric Four-Bolt Pillow Block

Timken-Mounted-Bearing-Eccentric-Four-Bolt-Pillow-Block

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Eccentric 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		23230

Shaft Size		5 1/2 in

Shaft Size Type		Imperial

Full Timken Part Number		QMPH30J508SB QMPH30J508SC QMPH30J508SEB QMPH30J508SEC QMPH30J508SEM QMPH30J508SEN QMPH30J508SEO QMPH30J508SET QMPH30J508SM QMPH30J508SN QMPH30J508SO QMPH30J508ST

Locking Style		Eccentric

Housing Construction		Four-Bolt Pillow Block

UPC Code		0883450033954 0883450033961 0883450138888 0883450138895 0883450138901 0883450138918 0883450138949 0883450138956 0883450157575 0883450157971 0883450251822 0883450251983

Dimensions

Dimension A		6.688 in 169.9 mm

Dimension B		13.02 in 330.7 mm

Dimension C		8.07 in 205 mm

Dimension D Min		17.38 in 441.5 mm

Dimension D Max		19.13 in 485.9 mm

Dimension E		3-3/4 in 95.3 mm

Dimension F		22.0 in 558.8 mm

Dimension G		6.75 in 171.5 mm

Dimension H		3 in 76.2 mm

Dimension J (Bolt Size)		1 in 24 mm

Dimension K		2.99 in 75.9 mm

Dimension L		7.84 in 199.1 mm

Dimension M		4.57 in 116.1 mm

Dimension R		0.2 in 5.1 mm

Dimension S		7.56 in 192 mm

Radial and Thrust Factors

C0 - Static Load		372000 lbf 1660000 N

C - Dynamic Load (Basic)		286000 lbf 1270000 N

e - Geometry Factor		0.32

Y1 - Geometry Factor		2.08

Y2 - Geometry Factor		3.10

Engineering Seal Speed

Oil Lubrication - M/N Seal		650 rpm

Oil Lubrication - T Seal		950 rpm

Oil Lubrication - B/C/O Seal		350 rpm

Grease Lubrication - M/N Seal		600 rpm

Grease Lubrication - T Seal		800 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		0.0043

Eng Internal Radial Clearance - Max		0.0067

Pre Install Clearance Min		0.0043 in 0.110 mm

Pre Install Clearance Max		0.0067 in 0.170 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 QMPH30J508S, Eccentric Four-Bolt Pillow Block

Engineering Group

Bearing Number

Shaft Size

Shaft Size Type

Full Timken Part Number

Locking Style

Housing Construction

UPC Code

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 K

Dimension L

Dimension M

Dimension R

Dimension S

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