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
Simplified Gear Force Analysis

Alex Waye, Timken Application Engineer, shows you how to instantly compute tangential, radial, and axial forces for better design decisions.

View Video
Batch CAD Cart (0) ▾
  • Cart is empty
  1. Click Here for Batch Download
Request Information Add to CAD Cart
  • Clearance fit suggested for outer ring when housing is stationary relative to load.
  • Tight transition fit suggested if housing rotates relative to load.
  • Consult your Timken representative for oscillating applications (e.g., low radial-clearance concerns).
  • Unmarked end of outer ring should be assembled against housing shoulder to clear maximum allowed housing fillet (ras max).
  • Meets Military Standard MS 51961.
Unit of Measure

Bearing Dimensions

Shaft Diameter (Fw)

 N/A 165.10 mm6.50 in

D - Outer Diameter

 N/A 203.2 mm8 in

Dimension C/B

 N/A 76.2 mm3.0000 in

Specifications

Static Load Rating Co

 N/A 1050000 N237000 lbf
Dynamic Load Rating C11 N/A 452000 N102000 lbf
Geometry Factor Cg2 N/A 0.1539

Thermal Speed Ratings - Oil

 N/A 2000 rpm

Thermal Speed Ratings - Grease

 N/A 1800 rpm

Mounting Data

Chamfer rsmin

 N/A 3.050 mm0.12 in

Max. Mounting Dimensions Clearance Fit 1

 N/A 165.10 mm6.50 in

Min. Mounting Dimensions Clearance Fit 1

 N/A 165.075 mm6.4990 in

Max. Mounting Dimensions Clearance Fit 2

 N/A 203.246 mm8.0018 in

Min. Mounting Dimensions Clearance Fit 2

 N/A 203.200 mm8.000 in

Max. Mounting Dimensions Tight Transition Fit S

 N/A 6.4984 mm165.059 in

Min. Mounting Dimensions Tight Transition Fit S

 N/A 165.034 mm6.4974 in

Max. Mounting Dimensions Tight Transition Fit H

 N/A 203.139 mm7.9976 in

Min. Mounting Dimensions Tight Transition Fit H

 N/A 203.185 mm7.9994 in

Shoulder Diameter Da

 N/A 188.91 mm7.438 in

Sub Assembly Part Numbers

Used with Inner Ring Designation

 N/A IR-8810448
  • 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 2 Cg factor for bearing without inner ring.
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.