Part Number QMPF34J180S, Eccentric Four-Bolt Pillow Block On The Timken Company


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	Part Number QMPF34J180S, 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		23234

Shaft Size		180 mm

Shaft Size Type		Metric

Full Timken Part Number		QMPF34J180SB QMPF34J180SC QMPF34J180SEB QMPF34J180SEC QMPF34J180SEM QMPF34J180SEN QMPF34J180SEO QMPF34J180SET QMPF34J180SM QMPF34J180SN QMPF34J180SO QMPF34J180ST

Locking Style		Eccentric

Housing Construction		Four-Bolt Pillow Block

UPC Code		0883450156066 0883450156141 0883450156226 0883450156301 0883450156387 0883450156790 0883450156875 0883450156950 0883450157032 0883450157117 0883450251006 0883450251426

Dimensions

Dimension A		7-1/2 in 190.5 mm

Dimension B		15.38 in 390.7 mm

Dimension C		9.25 in 235 mm

Dimension D Min		20.88 in 530.4 mm

Dimension D Max		23.63 in 600.2 mm

Dimension E		4.63 in 117.5 mm

Dimension F		26 in 660.4 mm

Dimension G		7.5 in 190.5 mm

Dimension H		2.5 in 63.5 mm

Dimension J (Bolt Size)		1 in 24 mm

Dimension K		3.35 in 85.1 mm

Dimension L		8.83 in 224.3 mm

Dimension M		5.08 in 129 mm

Dimension R		0.22 in 5.6 mm

Dimension S		8.43 in 214.1 mm

Radial and Thrust Factors

C0 - Static Load		494000 lbf 2200000 N

C - Dynamic Load (Basic)		373000 lbf 1660000 N

e - Geometry Factor		0.33

Y1 - Geometry Factor		2.08

Y2 - Geometry Factor		3.09

Engineering Seal Speed

Oil Lubrication - M/N Seal		600 rpm

Oil Lubrication - T Seal		900 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		0.0047

Eng Internal Radial Clearance - Max		0.0071

Pre Install Clearance Min		0.0047 in 0.120 mm

Pre Install Clearance Max		0.0071 in 0.180 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 QMPF34J180S, 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