Montage of Timken Bearing Products
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Spherical bearings are designed to manage high radial loads even when misalignment, poor lubrication, contamination, extreme speeds or critical application stresses are present.
Unit of Measure

Key Dimensions

Design Unit

 N/A Metric

Bore (d)

 N/A 120 mm

O.D. (D)

 N/A 259.993 mm10.2359 in

B' - Inner Ring Width

 N/A 86 mm3.3858 in

B - Outer Ring Width

 N/A 86 mm3.3858 in

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 1210000 N272000 lbf
e Factor1 N/A 0.32

Dimensions

R - Inner Ring "To Clear" Radius2 N/A 2.5 mm0.100 in
r - Outer Ring "To Clear" Radius3 N/A 2.5 mm0.1 in

Shaft Backing Shoulder Diameter

 N/A 157.000 mm6.2000 in

Housing Backing Shoulder Diameter

 N/A 234.000 mm9.200 in

Basic Load Ratings

Static Radial Load Rating (C0)

 N/A 1080000 N244000 lbf

Thermal Reference Speed - Grease 

 N/A 2000 rpm
Thermal Reference Speed - Oil4 N/A 2300 rpm

Key Dimensions

Y0 Factor5 N/A 2.07

Factors

Y1 Factor 6 N/A 2.11
Y2 Factor 7 N/A 3.15
Geometry Factor (Cg)8 N/A 0.0834
  • 1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 2 Maximum housing fillet radius that bearing corners will clear.
  • 3 Maximum shaft fillet radius that bearing corners will clear.
  • 4 See thermal speed ratings in the engineering section.
  • 5 These factors apply for both inch and metric calculations. See engineering
  • 6 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 7 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 8 Geometry constant for Lubrication Life Adjustment Factor a3l.