The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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Unit of Measure

Specifications

Engineering Group

 N/A Mounted Bearing

Bearing Number

 N/A 23234

Shaft Size

 N/A 180 mm

Shaft Size Type

 N/A Metric

Full Timken Part Number

 N/A QMMC34J180S QMMC34J180SB QMMC34J180SC QMMC34J180SEB QMMC34J180SEC QMMC34J180SEM QMMC34J180SEN QMMC34J180SEO QMMC34J180SET QMMC34J180SM QMMC34J180SN QMMC34J180SO QMMC34J180ST

Locking Style

 N/A Eccentric

Housing Construction

 N/A Cartridge

Dimensions

Dimension A

 N/A 0.78 in19.8 mm

Dimension B

 N/A 1.5 in38.1 mm

Dimension C

 N/A 9.25 in235 mm

Dimension D

 N/A 0.22 in5.6 mm

Dimension F

 N/A 13.563 in344.5 mm

Dimension G

 N/A 7.13 in181.1 mm

Dimension K

 N/A 3.35 in85.1 mm

Dimension L Exp

 N/A 8.72 in221.5 mm

Dimension L Fix

 N/A 8.64 in219.5 mm

Dimension M

 N/A 5.08 in129 mm

Dimension R

 N/A 0.21 in5.3 mm

Dimension S

 N/A 8.43 in214.1 mm

Radial and Thrust Factors

C0 - Static Load

 N/A 494000 lbf2200000 N

C - Dynamic Load (Basic)

 N/A 373000 lbf1660000 N

e - Geometry Factor

 N/A 0.33

Y1 - Geometry Factor

 N/A 2.08

Y2 - Geometry Factor

 N/A 3.09

Engineering Seal Speed

Oil Lubrication - M/N Seal

 N/A 600 rpm

Oil Lubrication - T Seal

 N/A 900 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 0.0047

Eng Internal Radial Clearance - Max

 N/A 0.0071

Pre Install Clearance Min

 N/A 0.0047 in0.120 mm

Pre Install Clearance Max

 N/A 0.0071 in0.180 mm