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​