PART NO : AP0609T

HM212049
Timken Outer 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 :
AP0609M

SPECIFICATIONS
Cone Part Number : HM212049
Design Units : Imperial
Cage Type : Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)¹ : 465000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)² : 121000 N

BEARING DIMENSIONS
Bore (d) : 66.675 mm
Width (B) : 38.354 mm

ABUTMENT AND FILLET DIMENSIONS
R - Cone Backface "To Clear" Radius³ :  3.560 mm
da - Cone Frontface Backing Diameter :  75.5 mm
db - Cone Backface Backing Diameter :  82 mm
Ab - Cage-Cone Frontface Clearance :  3.8 mm
Aa - Cage-Cone Backface Clearance :  1.8 mm
a - Effective Center Location⁴ :  -10.9 mm

BASIC LOAD RATINGS
C90 - Dynamic Radial Rating (90 million revolutions)⁵ :  69200 N
C1 - Dynamic Radial Rating (1 million revolutions)⁶ :  267000 N
C0 - Static Radial Rating :  279000 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁷ :  40000 N

FACTORS
K - Factor⁸ :  1.73
G1 - Heat Generation Factor (Roller-Raceway) :  92.2
G2 - Heat Generation Factor (Rib-Roller End) :  18.1
Cg - Geometry Factor :  0.0759