Timken Bearing Cone - 45280

PART NO : AP0657T

45280​
Timken Wheel End 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.

APPLICATION
MERITOR
ROCKWELL​

SPECIFICATIONS
Cone Part Number : 45280
Design Units : Imperial
Cage Type : Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)¹ : 267000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)² : 69200 N

BEARING DIMENSIONS
Bore (d) : 44.450 mm
B - Cone Width : 30.958 mm

ABUTMENT AND FILLET DIMENSIONS​
R - Cone Backface "To Clear" Radius³ : 0.800 mm
da - Cone Frontface Backing Diameter : 57 mm
db - Cone Backface Backing Diameter : 57 mm
Ab - Cage-Cone Frontface Clearance : 2.5 mm
Aa - Cage-Cone Backface Clearance : 1.8 mm
a - Effective Center Location⁴ : -8.1 mm

BASIC LOAD RATINGS
C90 - Dynamic Radial Rating (90 million revolutions)⁵ : 39700 N
C1 - Dynamic Radial Rating (1 million revolutions)⁶ : 153000 N
C0 - Static Radial Rating : 189000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)⁷ : 22600 N

FACTORS
K - Factor⁸ : 1.76
Cg - Geometry Factor​ : 0.0971

BEARING LIFE CALCULATION TOOL