Montage of Timken Bearing Products
Batch CAD Cart (0) ▾
  • Cart is empty
  1. Click Here for Batch Download
Request Information Add to CAD Cart
This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.
Unit of Measure

Specifications

Series

 N/A 224000

Cone Part Number

 N/A EE224115

Cup Part Number

 N/A 224204

Design Unit

 N/A Inch

Cage Material

 N/A Pin-Type

Related Assembly Number(s)

 N/A EE224115-90018

Dimensions

d - Bore

 N/A 11 1/2 in292.100 mm

D - Cup Outer Diameter

 N/A 20.5000 in520.7 mm

B - Cone Width

 N/A 4.2500 in107.950 mm

C - Cup Width

 N/A 3 in76.2 mm

T - Bearing Width

 N/A 4.2500 in107.950 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 0.250 in6.35 mm

da - Cone Frontface Backing Diameter

 N/A 12.64 in321 mm

db - Cone Backface Backing Diameter

 N/A 13.03 in331 mm

Da - Cup Frontface Backing Diameter

 N/A 18.62 in472.95 mm

Db - Cup Backface Backing Diameter

 N/A 18.43 in468.12 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.29 in7.4 mm

Aa - Cage-Cone Backface Clearance

 N/A 0.55 in14 mm
a - Effective Center Location3 N/A -0.78 in-19.8 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)4 N/A 114000 lbf506000 N
C1 - Dynamic Radial Rating (1 million revolutions)5 N/A 439000 lbf1950000 N

C0 - Static Radial Rating

 N/A 749000 lbf3330000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 63900 lbf284000 N

Factors

K - Factor7 N/A 1.78
e - ISO Factor8 N/A 0.33
Y - ISO Factor9 N/A 1.83

G1 - Heat Generation Factor (Roller-Raceway)

 N/A 2630.1

G2 - Heat Generation Factor (Rib-Roller End)

 N/A 228.6
Cg - Geometry Factor10 N/A 0.178
  • 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 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 Geometry constant for Lubrication Life Adjustment Factor a3l.