Menu
Discover the New “My Dashboard” Experience

Join Eric Stasiowski, manager – online marketing & ecommerce, to see how you can save key items like documents, bearings, and distributor locations directly to your account.

View Video
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
The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore.
Unit of Measure

Specifications

Series

 N/A L476500

Cone Part Number

 N/A L476549

Cup Part Number

 N/A L476510CD

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Related Assembly Number(s)

 N/A L476549-902A1 L476549-902A2 L476549-902A3 L476549-903A1

Dimensions

d - Bore

 N/A 21.6250 in549.275 mm

D - Cup Outer Diameter

 N/A 27.2500 in692.150 mm

B - Cone Width

 N/A 3.1875 in80.963 mm

C - Double Cup Width

 N/A 5.3750 in136.525 mm

T - Bearing Width across Cones

 N/A 6.8749 in174.622 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.25 in6.4 mm
r - Cup Backface "To Clear" Radius2 N/A 0.06 in1.5 mm

db - Cone Backface Backing Diameter

 N/A 22.8 in579 mm

Da - Cup Frontface Backing Diameter

 N/A 26.34 in669.00 mm

Aa - Cage-Cone Backface Clearance

 N/A 0.28 in7.1 mm
a - Effective Center Location3 N/A 1.27 in32.3 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 N/A 88500 lbf394000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 N/A 595000 lbf2650000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 N/A 154000 lbf686000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 N/A 57000 lbf254000 N

Factors

K - Factor8 N/A 1.55
e - ISO Factor9 N/A 0.38
Y1 - ISO Factor10 N/A 1.79
Y2 - ISO Factor11 N/A 2.67
Cg - Geometry Factor12 N/A 0.257
  • 1 These maximum fillet radii will be cleared by the bearing corners.
  • 2 These maximum fillet radii will be cleared by the bearing corners.
  • 3 Negative value indicates effective center inside cone backface.
  • 4 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 5 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 6 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
  • 7 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
  • 8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 10 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 11 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 12 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.