Timken Tapered Bearing Cup & Cone Kit - Set 405 (663 / 653)

PART NO : AP0606KT

SET 405 (663 / 653​)
Timken Inner 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.

SPECIFICATIONS
Cup Part Number : 653
Cone Part Number : 663
Design Units : Imperial
Bearing Weight : 2.7kg
Cage Type : Stamped Steel

DIMENSIONS
d - Bore : 82.550 mm
D - Cup Outer Diameter : 146.050 mm
B - Cone Width : 41.275 mm
C - Cup Width : 31.750 mm
T - Bearing Width : 41.275 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​ : 91.95 mm
db - Cone Backface Backing Diameter : 99.06 mm
Da - Cup Frontface Backing Diameter : 139.95 mm
Db - Cup Backface Backing Diameter : 131.06 mm
Ab - Cage-Cone Frontface Clearance : 2.5 mm
Aa - Cage-Cone Backface Clearance : 4.3 mm
a - Effective Center Location³ : -7.9 mm

BASIC LOAD RATINGS
C90 - Dynamic Radial Rating (90 million revolutions)^4​ : 64000 N
C1 - Dynamic Radial Rating (1 million revolutions)⁵​ : 247000 N
C0 - Static Radial Rating​ : 335000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)⁶​ : 44800 N

FACTORS
K - Factor7​ : 1.43
e - ISO Factor⁸​ : 0.41
Y - ISO Factor⁹ : 1.47
G1 - Heat Generation Factor (Roller-Raceway) : 137
G2 - Heat Generation Factor (Rib-Roller End) : 27.3
Cg - Geometry Factor : 0.0919

BEARING LIFE CALCULATION TOOL