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

Specifications

Design Unit

 N/A Metric

d - Bore

 N/A 1180 mm

Cage Type

 N/A YMD

Cage Material

 N/A Brass

Dimensions

D - Outer Diameter

 N/A 65.3540 in1660 mm

B' - Inner Ring Width

 N/A 13.976 in355 mm

B - Outer Ring Width

 N/A 13.9760 in355 mm

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1 N/A 0.280 in7 mm
r - Outer Ring "To Clear" Radius2 N/A 0.280 in7 mm

da - Inner Ring Backing Diameter

 N/A 1293.000 mm50.890 in

Da - Outer Ring Backing Diameter

 N/A 1558.000 mm61.340 in

Basic Load Ratings

C0 - Static Radial Rating

 N/A 9700000 lbf43200000 N

C1(2) - Dynamic Radial Rating (Two-Rows)

 N/A 4320000 lbf19200000 N

Factors

e - ISO Factor3 N/A 0.19
Y0 - ISO Factor4 N/A 3.42
Y1 - ISO Factor5 N/A 3.5
Y2 - ISO Factor6 N/A 5.21

Reference Thermal Speed Rating (Grease)

 N/A 160 rpm
Reference Thermal Speed Rating (Oil)7 N/A 170 rpm
Cg - Geometry Factor8 N/A 0.170
  • 1 Maximum housing fillet radius that bearing corners will clear.
  • 2 Maximum shaft fillet radius that bearing corners will clear.
  • 3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 4 These factors apply for both inch and metric calculations. See engineering
  • 5 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 6 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 7 See thermal speed ratings in the engineering section.
  • 8 Geometry constant for Lubrication Life Adjustment Factor a3l.