Menu
Smarter Bearing Selection Is Here

The Timken ® Syber ® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.

Learn More
Analyze Bearing Performance in an Application with Timken ® Syber ® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

Learn More
Save Time and Design with Confidence.
Register Today for Timken's Online Engineering Tools Webinar.
Register
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 670 mm

Cage Type

 N/A YMB

Cage Material

 N/A Brass

Dimensions

D - Outer Diameter

 N/A 38.583 in980 mm

B' - Inner Ring Width

 N/A 9.055 in230 mm

B - Outer Ring Width

 N/A 9.0550 in230 mm

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1 N/A 0.24 in6 mm
r - Outer Ring "To Clear" Radius2 N/A 0.24 in6 mm

da - Inner Ring Backing Diameter

 N/A 744.000 mm29.300 in

Da - Outer Ring Backing Diameter

 N/A 911.000 mm35.9000 in

Basic Load Ratings

C0 - Static Radial Rating

 N/A 3540000 lbf15800000 N

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

 N/A 1770000 lbf7890000 N

Factors

e - ISO Factor3 N/A 0.22
Y0 - ISO Factor4 N/A 3.05
Y1 - ISO Factor5 N/A 3.12
Y2 - ISO Factor6 N/A 4.65

Reference Thermal Speed Rating (Grease)

 N/A 330 rpm
Reference Thermal Speed Rating (Oil)7 N/A 380 rpm
Cg - Geometry Factor8 N/A 0.1257
  • 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.