Timken Bearing Cone - HM518445

PART NO : AP0615T

HM518445​
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.

MERITOR EQUIVALENT :
AP0615M

SPECIFICATIONS
Cone Part Number : HM518445
Design Units : Imperial
Cage Type : Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)¹ : 517000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)² : 134000 N

BEARING DIMENSIONS
Bore (d) : 88.900 mm
B - Cone Width : 39.688 mm

ABUTMENT AND FILLET DIMENSIONS​
R - Cone Backface "To Clear" Radius³ : 6.35 mm
da - Cone Frontface Backing Diameter : 100 mm
db - Cone Backface Backing Diameter : 112 mm
Ab - Cage-Cone Frontface Clearance : 4.1 mm
Aa - Cage-Cone Backface Clearance : 2.8 mm
a - Effective Center Location⁴ : -6.4 mm

BASIC LOAD RATINGS
C90 - Dynamic Radial Rating (90 million revolutions)⁵ : 76900 N
C1 - Dynamic Radial Rating (1 million revolutions)⁶ : 297000 N
C0 - Static Radial Rating : 404000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)⁷ : 52900 N

FACTORS
K - Factor⁸ : 1.45​
G1 - Heat Generation Factor (Roller-Raceway) : 162​
G2 - Heat Generation Factor (Rib-Roller End) : 33.7​
Cg - Geometry Factor​ : 0.0966​

BEARING LIFE CALCULATION TOOL