Timken Bearing Cone - 665A

PART NO : AP0607T

665A​
Timken Inner 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 : HM218248
Design Units : Imperial
Cage Type : Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)¹ : 430000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)² : 112000 N

BEARING DIMENSIONS
Bore (d) : 85.725 mm
Cone Width (B) : 41.275 mm

ABUTMENT AND FILLET DIMENSIONS​
R - Cone Backface "To Clear" Radius³ : 6.400 mm
da - Cone Frontface Backing Diameter : 95 mm
db - Cone Backface Backing Diameter : 107 mm
Ab - Cage-Cone Frontface Clearance : 2.5 mm
Aa - Cage-Cone Backface Clearance : 4.3 mm
a - Effective Center Location⁴ : -7.9 mm

BASIC LOAD RATINGS
C90 - Dynamic Radial Rating (90 million revolutions)⁵ : 64000 N
C1 - Dynamic Radial Rating (1 million revolutions)⁶ : 247000 N
C0 - Static Radial Rating : 335000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)⁷ : 44800 N

FACTORS
K - Factor⁸ : 1.43
G1 - Heat Generation Factor (Roller-Raceway) : 136.6
G2 - Heat Generation Factor (Rib-Roller End) : 27.3
Cg - Geometry Factor​ : 0.0919

BEARING LIFE CALCULATION TOOL