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 560 mm

Bore_Taper

N/A 1/12

Cage Type

N/A YMB

UPC Code

N/A 087796191310

Cage Material

N/A Brass

Dimensions

D - Outer Diameter

N/A 1030 mm40.551 in

B' - Inner Ring Width

N/A 365 mm14.37 in

B - Outer Ring Width

N/A 365 mm14.3700 in

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1 N/A 7 mm0.280 in
r - Outer Ring "To Clear" Radius2 N/A 7 mm0.280 in

da - Inner Ring Backing Diameter

N/A 661.000 mm26.000 in

Da - Outer Ring Backing Diameter

N/A 918.000 mm36.0000 in

Basic Load Ratings

C0 - Static Radial Rating

N/A 22300000 N5020000 lbf

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

N/A 13200000 N2960000 lbf

Factors

e - ISO Factor3 N/A 0.35
Y0 - ISO Factor4 N/A 1.91
Y1 - ISO Factor5 N/A 1.96
Y2 - ISO Factor6 N/A 2.91

Reference Thermal Speed Rating (Grease)

N/A 210 rpm
Reference Thermal Speed Rating (Oil)7 N/A 220 rpm
Cg - Geometry Factor8 N/A 0.1189
  • 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.