Timken 578X
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
575
Cone Part Number
578X
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
333000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
86400 N
Dimensions
d - Cone Bore
79.985 mm
B - Cone Width
36.098 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
7.900 mm
da - Cone Frontface Backing Diameter
89 mm
db - Cone Backface Backing Diameter
104 mm
Ab - Cage-Cone Frontface Clearance
2.5 mm
Aa - Cage-Cone Backface Clearance
3.3 mm
a - Effective Center Location4
-5.3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
49600 N
C1 - Dynamic Radial Rating (1 million revolutions)6
191000 N
C0 - Static Radial Rating
291000 N
C7
34300 N
Factors
K - Factor8
1.45
G1 - Heat Generation Factor (Roller-Raceway)
125.7
G2 - Heat Generation Factor (Rib-Roller End)
32
Cg - Geometry Factor9
0.13
