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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 260 mm

O.D. (D)

 N/A 480 mm18.898 in

B' - Inner Ring Width

 N/A 174 mm6.85 in

B - Outer Ring Width

 N/A 174 mm6.8500 in

Bore_Taper

 N/A 1/12

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 4850000 N1090000 lbf
e Factor1 N/A 0.34

Dimensions

R - Inner Ring "To Clear" Radius2 N/A 4 mm0.160 in
r - Outer Ring "To Clear" Radius3 N/A 4 mm0.16 in

Shaft Backing Shoulder Diameter

 N/A 307.000 mm12.100 in

Housing Backing Shoulder Diameter

 N/A 430.000 mm16.9000 in

Basic Load Ratings

Static Radial Load Rating (C0)

 N/A 3510000 N790000 lbf

Thermal Reference Speed - Grease 

 N/A 660 rpm
Thermal Reference Speed - Oil4 N/A 720 rpm

Key Dimensions

Y0 Factor5 N/A 1.94

Factors

Y1 Factor 6 N/A 1.98
Y2 Factor 7 N/A 2.95
Geometry Factor (Cg)8 N/A 0.1185
  • 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.
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