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 500 mm19.685 in

B' - Inner Ring Width

 N/A 130 mm5.118 in

B - Outer Ring Width

 N/A 130 mm5.118 in

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 3750000 N844000 lbf
e Factor1 N/A 0.26

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 331.000 mm13.0000 in

Housing Backing Shoulder Diameter

 N/A 449 mm17.700 in

Basic Load Ratings

Static Radial Load Rating (C0)

 N/A 2800000 N630000 lbf

Thermal Reference Speed - Grease 

 N/A 960 rpm
Thermal Reference Speed - Oil4 N/A 1100 rpm

Key Dimensions

Y0 Factor5 N/A 2.57

Factors

Y1 Factor 6 N/A 2.62
Y2 Factor 7 N/A 3.91
Geometry Factor (Cg)8 N/A 0.1233
  • 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.