TIMKEN TAPERED BEARING CUP & CONE KIT – HM518445 / HM518410

HM518445 / HM518410​
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.

APPLICATION
DANA / SPICER / HENDRICKSON P22 PARALLEL SPINDLE 15” & 20” FRUEHAUF PROPAR 15“ & 20“
HOLLAND PROPAR 20“ PARALLEL SPINDLE
YORK HEAVY DUTY OUTBACK 20”

SPECIFICATIONS
Cup Part Number  :  HM518410
Cone Part Number  :  HM518445
Design Units  :  Imperial
Bearing Weight  :  2.8kg
Cage Type  :  Stamped Steel

DIMENSIONS
d – Bore  :  88.900 mm
D – Cup Outer Diameter  :  152.400 mm
B – Cone Width  :  39.688 mm
C – Cup Width  :  30.163 mm
T – Bearing Width  :  39.688 mm

ABUTMENT AND FILLET DIMENSIONS​
R – Cone Backface “To Clear” Radius¹  :  6.35 mm
r – Cup Backface “To Clear” Radius²  :  3.30 mm
da – Cone Frontface Backing Diameter​  :  100.08 mm
db – Cone Backface Backing Diameter  :  112.01 mm
Da – Cup Frontface Backing Diameter  :  147.10 mm
Db – Cup Backface Backing Diameter  :  136.91 mm
Ab – Cage-Cone Frontface Clearance  :  4.1 mm
Aa – Cage-Cone Backface Clearance  :  2.8 mm
a – Effective Center Location3  :  -6.4 mm

BASIC LOAD RATINGS
C90 – Dynamic Radial Rating (90 million revolutions)^4​  :  76900 N
C1 – Dynamic Radial Rating (1 million revolutions)⁵​  :  297000 N
C0 – Static Radial Rating​  :  404000 N
Ca90 – Dynamic Thrust Rating (90 million revolutions)⁶​  :  52900 N

FACTORS
K – Factor7​  :  1.45
e – ISO Factor⁸​  :  0.4
Y – ISO Factor⁹  :  1.49
G1 – Heat Generation Factor (Roller-Raceway)  :  162
G2 – Heat Generation Factor (Rib-Roller End)  :  33.7
Cg – Geometry Factor  :  0.0966