Timken Tapered Bearing Cup & Cone Kit - Set 406 (3782 / 3720)

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