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 440 mm

O.D. (D)

 N/A 720 mm28.3470 in

B' - Inner Ring Width

 N/A 226 mm8.898 in

B - Outer Ring Width

 N/A 226 mm8.8980 in

Bore_Taper

 N/A 1/12

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 10300000 N2310000 lbf
e Factor1 N/A 0.3

Dimensions

R - Inner Ring "To Clear" Radius2 N/A 5 mm0.200 in
r - Outer Ring "To Clear" Radius3 N/A 5 mm0.200 in

Shaft Backing Shoulder Diameter

 N/A 500 mm19.7000 in

Housing Backing Shoulder Diameter

 N/A 657 mm25.9000 in

Basic Load Ratings

Static Radial Load Rating (C0)

 N/A 5970000 N1340000 lbf

Thermal Reference Speed - Grease 

 N/A 420 rpm
Thermal Reference Speed - Oil4 N/A 460 rpm

Key Dimensions

Y0 Factor5 N/A 2.21

Factors

Y1 Factor 6 N/A 2.26
Y2 Factor 7 N/A 3.37
Geometry Factor (Cg)8 N/A 0.0984
  • 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.