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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

Bearing Dimensions

Shaft Diameter (Fw)

 N/A 196.85 mm7.75 in

D - Outer Diameter

 N/A 244.475 mm9.6250 in

Dimension C/B

 N/A 76.2 mm3.0000 in

Specifications

Static Load Rating Co

 N/A 1210000 N271000 lbf
Dynamic Load Rating C11 N/A 543000 N122000 lbf
Geometry Factor Cg2 N/A 0.1662

Thermal Speed Ratings - Oil

 N/A 1600 rpm

Thermal Speed Ratings - Grease

 N/A 1400 rpm

Mounting Data

Chamfer rsmin

 N/A 3.050 mm0.12 in

Max. Mounting Dimensions Clearance Fit 1

 N/A 196.85 mm7.75 in

Min. Mounting Dimensions Clearance Fit 1

 N/A 196.820 mm7.7488 in

Max. Mounting Dimensions Clearance Fit 2

 N/A 244.521 mm9.6268 in

Min. Mounting Dimensions Clearance Fit 2

 N/A 244.475 mm9.625 in

Max. Mounting Dimensions Tight Transition Fit S

 N/A 7.7480 mm196.799 in

Min. Mounting Dimensions Tight Transition Fit S

 N/A 196.769 mm7.7468 in

Max. Mounting Dimensions Tight Transition Fit H

 N/A 244.414 mm9.6226 in

Min. Mounting Dimensions Tight Transition Fit H

 N/A 244.460 mm9.6244 in

Shoulder Diameter Da

 N/A 228.60 mm9.000 in

Sub Assembly Part Numbers

Used with Inner Ring Designation

 N/A IR-10412448
  • 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 2 Cg factor for bearing without inner ring.