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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  • Clearance fit suggested for outer ring when housing is stationary relative to load.
  • Tight transition fit suggested if housing rotates relative to load.
  • Consult your Timken representative for oscillating applications (e.g., low radial-clearance concerns).
  • Unmarked end of outer ring should be assembled against housing shoulder to clear maximum allowed housing fillet (ras max).
  • Meets Military Standard MS 51961.
Unit of Measure

Key Dimensions

Shaft Diameter (Fw)

 N/A 234.95 mm9.25 in

O.D. (D)

 N/A 282.575 mm11.125 in

Width (C)

 N/A 76.2 mm3.0000 in
Dynamic Radial Load Rating - 1M Revs (C1)1 N/A 599000 N145000 lbf

Other Dimensions

Max Housing Fillet Radius LF OD

 N/A 0.16 in4.060 mm

Max Housing Fillet Radius RF OD

 N/A 0.16 in4.060 mm

Ratings

Static Radial Load Rating (C0)

 N/A 1350000 N326000 lbf

Thermal Speed Ratings - Oil

 N/A 1300 rpm

Thermal Reference Speed - Grease 

 N/A 1200 rpm

Factors

Geometry Factor (Cg) 2 N/A 0.1885

Mounting Data

Max. Mounting Dimensions Clearance Fit 1

 N/A 234.95 mm9.25 in

Min. Mounting Dimensions Clearance Fit 1

 N/A 234.920 mm9.2488 in

Max. Mounting Dimensions Clearance Fit 2

 N/A 282.626 mm11.1270 in

Min. Mounting Dimensions Clearance Fit 2

 N/A 282.575 mm11.125 in

Max. Mounting Dimensions Tight Transition Fit S

 N/A 9.2480 mm234.899 in

Min. Mounting Dimensions Tight Transition Fit S

 N/A 234.869 mm9.2468 in

Max. Mounting Dimensions Tight Transition Fit H

 N/A 282.509 mm11.1220 in

Min. Mounting Dimensions Tight Transition Fit H

 N/A 282.560 mm11.1240 in

Shoulder Diameter Da

 N/A 266.70 mm10.500 in

Sub Assembly Part Numbers

Used with Inner Ring Designation

 N/A IR-12814848
  • 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 2 Cg factor for bearing without inner ring.