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
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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 300 mm

O.D. (D)

 N/A 540 mm21.2600 in

B' - Inner Ring Width

 N/A 140 mm5.512 in

B - Outer Ring Width

 N/A 140 mm5.512 in

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 4400000 N989000 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 355.000 mm14.000 in

Housing Backing Shoulder Diameter

 N/A 484.000 mm19.100 in

Basic Load Ratings

Static Radial Load Rating (C0)

 N/A 3290000 N740000 lbf

Thermal Reference Speed - Grease 

 N/A 870 rpm
Thermal Reference Speed - Oil4 N/A 1000 rpm

Key Dimensions

Y0 Factor5 N/A 2.53

Factors

Y1 Factor 6 N/A 2.59
Y2 Factor 7 N/A 3.86
Geometry Factor (Cg)8 N/A 0.1283
  • 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.