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