COMPANY HEADER
Print Back
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

O.D. (D)

 N/A 5.1178 in

B' - Inner Ring Width

 N/A 1.8110 in

B - Outer Ring Width

 N/A 1.8110 in

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 307000 N69000 lbf
e Factor1 N/A 0.34

Dimensions

R - Inner Ring "To Clear" Radius2 N/A 0.080 in
r - Outer Ring "To Clear" Radius3 N/A 0.08 in

Shaft Backing Shoulder Diameter

 N/A 3.000 in

Housing Backing Shoulder Diameter

 N/A 4.600 in

Basic Load Ratings

Static Radial Load Rating (C0)

 N/A 306000 N68800 lbf

Thermal Reference Speed - Grease 

 N/A 4200 rpm
Thermal Reference Speed - Oil4 N/A 5000 rpm

Key Dimensions

Y0 Factor5 N/A 1.93

Factors

Y1 Factor 6 N/A 1.98
Y2 Factor 7 N/A 2.94
Geometry Factor (Cg)8 N/A 0.0532
  • 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.