3D CAD and 2D Drawings

Find and download 3D CAD and 2D drawings for key Timken products.

Batch CAD Cart (0)
  • Cart is empty
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

Cone Part Number

N/A L45449

Design Units

N/A Imperial

Cage Type

N/A Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 N/A 13900 lbf61800 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 N/A 3600 lbf16000 N

Dimensions

d - Bore

N/A 1.1417 in28.999 mm

B - Cone Width

N/A 0.5800 in14.732 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius3 N/A 0.14 in3.560 mm

da - Cone Frontface Backing Diameter

N/A 1.32 in33.5 mm

db - Cone Backface Backing Diameter

N/A 1.57 in40 mm

Ab - Cage-Cone Frontface Clearance

N/A 0.06 in1.5 mm

Aa - Cage-Cone Backface Clearance

N/A 0 in0 mm
a - Effective Center Location4 N/A -0.13 in-3.3 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)5 N/A 2070 lbf9200 N
C1 - Dynamic Radial Rating (1 million revolutions)6 N/A 7980 lbf35500 N

C0 - Static Radial Rating

N/A 8130 lbf36200 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 N/A 1310 lbf5820 N

Factors

K - Factor8 N/A 1.58

G1 - Heat Generation Factor (Roller-Raceway)

N/A 10.8

G2 - Heat Generation Factor (Rib-Roller End)

N/A 12.4
Cg - Geometry Factor9 N/A 0.0559
  • 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 2 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.
  • 3 These maximum fillet radii will be cleared by the bearing corners.
  • 4 Negative value indicates effective center inside cone backface.
  • 5 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 6 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 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 Geometry constant for Lubrication Life Adjustment Factor a3l.
By clicking Submit, you consent to the personal information you provide being accessible by Timken personnel, who may be located outside your home country, as described in our Privacy Notice.