PART NO : AP0642T                    
 

3782
Timken Outer Cone Bearing

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.

SPECIFICATIONS
Cone Part Number  :  3782
Design Units  :  Imperial
Cage Type  :  Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)¹  :  213000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)²  :  55100 N

BEARING DIMENSIONS
Bore (d)  :  44.450 mm
Cone Width (B)  :  30.302 mm

ABUTMENT AND FILLET DIMENSIONS​
R - Cone Backface "To Clear" Radius³  :  3.600 mm
da - Cone Frontface Backing Diameter  :  52 mm
db - Cone Backface Backing Diameter  :  58 mm
Ab - Cage-Cone Frontface Clearance  :  1.5 mm
Aa - Cage-Cone Backface Clearance  :  1.5 mm
a - Effective Center Location⁴  :  -8.1 mm

BASIC LOAD RATINGS
C90 - Dynamic Radial Rating (90 million revolutions)⁵  :  31700 N
C1 - Dynamic Radial Rating (1 million revolutions)⁶  :  122000 N
C0 - Static Radial Rating  :  153000 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁷  :  18300 N

FACTORS
K - Factor⁸  :  1.73
G1 - Heat Generation Factor (Roller-Raceway)  :  49.9
G2 - Heat Generation Factor (Rib-Roller End)  :  14.5
Cg - Geometry Factor​  :  0.0903

BEARING LIFE CALCULATION TOOL