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 280 mm

O.D. (D)

 N/A 460 mm18.1100 in

B' - Inner Ring Width

 N/A 146 mm5.748 in

B - Outer Ring Width

 N/A 146 mm5.7480 in

Bore_Taper

 N/A 1/12

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 4170000 N937000 lbf
e Factor1 N/A 0.3

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 318.000 mm12.5000 in

Housing Backing Shoulder Diameter

 N/A 419 mm16.5000 in

Basic Load Ratings

Static Radial Load Rating (C0)

 N/A 2780000 N626000 lbf

Thermal Reference Speed - Grease 

 N/A 780 rpm
Thermal Reference Speed - Oil4 N/A 880 rpm

Key Dimensions

Y0 Factor5 N/A 2.21

Factors

Y1 Factor 6 N/A 2.26
Y2 Factor 7 N/A 3.36
Geometry Factor (Cg)8 N/A 0.1206
  • 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.