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
Tapered Roller Bearings - 2TS-IM (Matched Bearing Assembly, Indirect Mount)
Unit of Measure

Specifications

Cone Part Number

 N/A 656

Cup Part Number

 N/A 652A

Related Assembly Number(s)

 N/A 656-90144

Inner Spacer Part Number

 N/A X2S-6464

Design Unit

 N/A Inch

Dimensions

d - Bore

 N/A 2.5575 in64.961 mm

D - Cup Outer Diameter

 N/A 5 7/8 in149.225 mm

T - Width

 N/A 4.6875 in119.062 mm

C - Width

 N/A 3.9375 in100.012 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.14 in3.600 mm
r - Cup Backface "To Clear" Radius2 N/A 0.030 in0.8 mm

db - Cone Backface Backing Diameter

 N/A 3.35 in85 mm

Da - Cup Frontface Backing Diameter

 N/A 5.57 in141.00 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)3 N/A 14400 lbf64000 N
C1 - Dynamic Radial Rating (1 million revolutions)4 N/A 96700 lbf430000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)5 N/A 10100 lbf44800 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 N/A 25100 lbf112000 N

Factors

K - Factor7 N/A 1.43
e - ISO Factor8 N/A 0.41
Y1 - ISO Factor9 N/A 1.65
Y2 - ISO Factor10 N/A 2.46
  • 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 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 4 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 5 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.
  • 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 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 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.
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.