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

Cage Type

 N/A EM

UPC Code

 N/A 087796252035

Cage Material

 N/A Brass

Superseded Part

 N/A 22218YMW33W800C4

Dimensions

D - Outer Diameter

 N/A 6.2989 in

B' - Inner Ring Width

 N/A 1.5748 in

B - Outer Ring Width

 N/A 1.5748 in

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1 N/A 0.080 in
r - Outer Ring "To Clear" Radius2 N/A 0.08 in

da - Inner Ring Backing Diameter

 N/A 4.2000 in

Da - Outer Ring Backing Diameter

 N/A 5.800 in

Basic Load Ratings

C0 - Static Radial Rating

 N/A 87200 lbf388000 N

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

 N/A 79700 lbf355000 N

Factors

e - ISO Factor3 N/A 0.23
Y0 - ISO Factor4 N/A 2.83
Y1 - ISO Factor5 N/A 2.9
Y2 - ISO Factor6 N/A 4.31

Reference Thermal Speed Rating (Grease)

 N/A 3400 rpm
Reference Thermal Speed Rating (Oil)7 N/A 4100 rpm
Cg - Geometry Factor8 N/A 0.0638
  • 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.