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Unit of Measure

Key Dimensions

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 23230

Shaft Size

 N/A 140 mm

Shaft Size Type

 N/A Metric

Full Timken Part Number

 N/A QMPG30J140SB QMPG30J140SC QMPG30J140SEB QMPG30J140SEC QMPG30J140SEM QMPG30J140SEN QMPG30J140SEO QMPG30J140SET QMPG30J140SM QMPG30J140SN QMPG30J140SO QMPG30J140ST

Locking Style

 N/A Eccentric

Housing Construction

 N/A Four-Bolt Pillow Block

UPC Code

 N/A 883450033169 883450033190 883450158381 883450158480 883450158565 883450158640 883450158787 883450158886 883450158961 883450159050 883450252157 883450252317

Other Dimensions

Dimension A

 N/A 6.693 in170 mm

Dimension B

 N/A 13.08 in332.2 mm

Dimension C

 N/A 8.07 in205 mm

Dimension D Min

 N/A 17.25 in438.2 mm

Dimension D Max

 N/A 19 in482.6 mm

Dimension E

 N/A 3.54 in89.9 mm

Dimension F

 N/A 21.65 in549.9 mm

Dimension G

 N/A 6.75 in171.5 mm

Dimension H

 N/A 3 in76.2 mm

Dimension J (Bolt Size)

 N/A 1 in24 mm

Dimension K

 N/A 2.99 in75.9 mm

Dimension L

 N/A 7.82 in198.6 mm

Dimension M

 N/A 4.57 in116.1 mm

Dimension R

 N/A 0.38 in9.7 mm

Dimension S

 N/A 7.56 in192 mm

Radial and Thrust Factors

C0 - Static Load

 N/A 372000 lbf1660000 N

C - Dynamic Load (Basic)

 N/A 286000 lbf1270000 N

e - Geometry Factor

 N/A 0.32

Y1 - Geometry Factor

 N/A 2.08

Y2 - Geometry Factor

 N/A 3.10

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 650 rpm

Oil Lubrication - T Seal

 N/A 950 rpm

Oil Lubrication - B/C/O Seal

 N/A 350 rpm

Grease Lubrication - M/N Seal

 N/A 600 rpm

Grease Lubrication - T Seal

 N/A 800 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 0.0043

Eng Internal Radial Clearance - Max

 N/A 0.0067

Pre Install Clearance Min

 N/A 0.0043 in0.110 mm

Pre Install Clearance Max

 N/A 0.0067 in0.170 mm