COMPANY HEADER
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

Specifications

Design Unit

 N/A Metric

Bore_Taper

 N/A 1/12

Cage Type

 N/A YMB

Cage Material

 N/A Brass

Dimensions

D - Outer Diameter

 N/A 25.591 in

B' - Inner Ring Width

 N/A 6.181 in

B - Outer Ring Width

 N/A 6.1810 in

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1 N/A 0.200 in
r - Outer Ring "To Clear" Radius2 N/A 0.200 in

da - Inner Ring Backing Diameter

 N/A 19.3000 in

Da - Outer Ring Backing Diameter

 N/A 23.700 in

Basic Load Ratings

C0 - Static Radial Rating

 N/A 6970000 N1570000 lbf

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

 N/A 3750000 N844000 lbf

Factors

e - ISO Factor3 N/A 0.22
Y0 - ISO Factor4 N/A 2.97
Y1 - ISO Factor5 N/A 3.04
Y2 - ISO Factor6 N/A 4.53

Reference Thermal Speed Rating (Grease)

 N/A 590 rpm
Reference Thermal Speed Rating (Oil)7 N/A 690 rpm
Cg - Geometry Factor8 N/A 0.0963
  • 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.