PART NO : AP0642KT                    
 

SET 406 (3782 / 3720)
Timken Outer Cup & Cone Bearing Kit

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.

MERITOR EQUIVALENT :
AP0642KM

APPLICATION
MERITOR
ROCKWELL
DANA
SPICER
EATON

SPECIFICATIONS
Cone Part Number  :  3782
Cup Part Number  :  3720
Design Units  :  Imperial
Bearing Weight  :  1kg
Cage Type  :  Stamped Steel

BEARING DIMENSIONS
d - Bore  :  44.450 mm
D - Cup Outer Diameter  :  93.264 mm
B - Cone Width​  :  30.302 mm
C - Cup Width​  :  23.813 mm
T - Bearing Width​  :  30.163 mm

ABUTMENT AND FILLET DIMENSIONS​
R - Cone Backface "To Clear" Radius1  :  3.560 mm
r - Cup Backface "To Clear" Radius2  :  3.30 mm
da - Cone Frontface Backing Diameter  :  52.07 mm
db - Cone Backface Backing Diameter  :  57.91 mm
Da - Cup Frontface Backing Diameter  :  87.90 mm
Db - Cup Backface Backing Diameter  :  82.04 mm
Ab - Cage-Cone Frontface Clearance  :  1.5 mm
Aa - Cage-Cone Backface Clearance  :  1.5 mm
a - Effective Center Location3  :  -8.1 mm

BASIC LOAD RATINGS
C90 - Dynamic Radial Rating (90 million revolutions)⁴  :  31700 N
C1 - Dynamic Radial Rating (1 million revolutions)⁵  :  122000 N
C0 - Static Radial Rating  :  153000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)⁶​  :  18300 N

FACTORS
K - Factor⁷  :  1.73
e - ISO Factor⁸  :  0.34
Y - ISO Factor⁹  :  1.77
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