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
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

Bore (d)

 N/A 670 mm

O.D. (D)

 N/A 980 mm38.583 in

B' - Inner Ring Width

 N/A 308 mm12.126 in

B - Outer Ring Width

 N/A 308 mm12.1260 in

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 21800000 N4910000 lbf
e Factor1 N/A 0.28

Dimensions

R - Inner Ring "To Clear" Radius2 N/A 6 mm0.24 in
r - Outer Ring "To Clear" Radius3 N/A 6 mm0.24 in

Shaft Backing Shoulder Diameter

 N/A 738.000 mm29.000 in

Housing Backing Shoulder Diameter

 N/A 910 mm35.800 in

Basic Load Ratings

Static Radial Load Rating (C0)

 N/A 10200000 N2300000 lbf

Thermal Reference Speed - Grease 

 N/A 230 rpm
Thermal Reference Speed - Oil4 N/A 250 rpm

Key Dimensions

Y0 Factor5 N/A 2.33

Factors

Y1 Factor 6 N/A 2.39
Y2 Factor 7 N/A 3.55
Geometry Factor (Cg)8 N/A 0.1256
  • 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.