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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 23230

Shaft Size

 N/A 5 1/2 in

Shaft Size Type

 N/A Imperial

Full Timken Part Number

 N/A QMSN30J508SEM QMSN30J508SEO QMSN30J508SET QMSN30J508SM QMSN30J508SN QMSN30J508SO QMSN30J508ST

Locking Style

 N/A Eccentric

Housing Construction

 N/A Two-Bolt Pillow Block

Dimensions

Dimension A

 N/A 6.69 in170 mm

Dimension B

 N/A 13.01 in330.4 mm

Dimension C

 N/A 8.07 in205 mm

Dimension D Min

 N/A 18.15 in461 mm

Dimension D Max

 N/A 18.86 in479 mm

Dimension F

 N/A 21.65 in550 mm

Dimension G

 N/A 6.75 in171 mm

Dimension H

 N/A 3.01 in76.5 mm

Dimension J (Bolt Size)

 N/A 1.25 in30 mm

Dimension K

 N/A 2.99 in76 mm

Dimension L

 N/A 7.94 in202 mm

Dimension M

 N/A 4.57 in116 mm

Dimension R

 N/A 0.26 in7 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 in0.170 mm

Pre Install Clearance Max

 N/A 0.0067 in0.110 mm
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