Menu
Batch CAD Cart (0) ▾
  • Cart is empty
  1. Click Here for Batch Download
Request Information Add to CAD Cart
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 440 mm

Bore_Taper

 N/A 1/30

Cage Type

 N/A YMB

UPC Code

 N/A 087796299207

Cage Material

 N/A Brass

Dimensions

D - Outer Diameter

 N/A 720 mm28.3470 in

B' - Inner Ring Width

 N/A 280 mm11.024 in

B - Outer Ring Width

 N/A 280 mm11.0240 in

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1 N/A 5 mm0.200 in
r - Outer Ring "To Clear" Radius2 N/A 5 mm0.2 in

da - Inner Ring Backing Diameter

 N/A 495.000 mm19.500 in

Da - Outer Ring Backing Diameter

 N/A 656 mm25.8000 in

Basic Load Ratings

C0 - Static Radial Rating

 N/A 12900000 N2900000 lbf

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

 N/A 7120000 N1600000 lbf

Factors

e - ISO Factor3 N/A 0.36
Y0 - ISO Factor4 N/A 1.84
Y1 - ISO Factor5 N/A 1.88
Y2 - ISO Factor6 N/A 2.79

Reference Thermal Speed Rating (Grease)

 N/A 250 rpm
Reference Thermal Speed Rating (Oil)7 N/A 260 rpm
Cg - Geometry Factor8 N/A 0.0983
  • 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.
By clicking Submit, you consent to the personal information you provide being used in the manner as described in our Privacy Notice, including access to that information by Timken personnel who may be located outside your home country. In addition, you agree that the CAD drawings are for your personal, one-time use only, and that you will not modify or create any compilation or derivative work using the CAD drawings or distribute or display the CAD drawings on any website or other media.