Timken Tapered Bearing Cup & Cone Kit - Set 401 (580 - 572)

PART NO : AP0644KT

SET 401 (580 - 572)
Timken Outer 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.

MERITOR EQUIVALENT :
AP0644KM

APPLICATION
MERITOR
EATON

SPECIFICATIONS
Cone Part Number : 580
Cup Part Number : 572
Design Units : Imperial
Bearing Weight : 2.1kg
Cage Type : Stamped Steel

BEARING DIMENSIONS
d - Bore : 82.550 mm
D - Cup Outer Diameter : 139.992 mm
B - Cone Width​ : 36.098 mm
C - Cup Width​ : 28.575 mm
T - Bearing Width​ : 36.513 mm

ABUTMENT AND FILLET DIMENSIONS​
R - Cone Backface "To Clear" Radius1 : 3.560 mm
r - Cup Backface "To Clear" Radius2 : 3.30 mm
da - Cone Frontface Backing Diameter : 90.93 mm
db - Cone Backface Backing Diameter : 98.04 mm
Da - Cup Frontface Backing Diameter : 133.35 mm
Db - Cup Backface Backing Diameter : 124.97 mm
Ab - Cage-Cone Frontface Clearance : 2.5 mm
Aa - Cage-Cone Backface Clearance : 3 mm
a - Effective Center Location3 : -5.3 mm

BASIC LOAD RATINGS
C90 - Dynamic Radial Rating (90 million revolutions)⁴ : 53600 N
C1 - Dynamic Radial Rating (1 million revolutions)⁵ : 207000 N
C0 - Static Radial Rating : 291000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)⁶​ : 37100 N

FACTORS
K - Factor⁷ : 1.45
e - ISO Factor⁸ : 0.4
Y - ISO Factor⁹ : 1.49
G1 - Heat Generation Factor (Roller-Raceway) : 126
G2 - Heat Generation Factor (Rib-Roller End) : 32
Cg - Geometry Factor : 0.13

BEARING LIFE CALCULATION TOOL