Timken 15578 – 15520-B
Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
15578 – 15520-B
Specifications
Series
15500
Cone Part Number
15578
Cup Part Number
15520-B
Design Unit
Inch
Cage Material
Stamped Steel
Related Assembly Number(s)
15578-90023
Dimensions
d - Bore
25.400 mm
D - Cup Outer Diameter
57.150 mm
D1 - Flange Outer Diameter
61.016 mm
B - Cone Width
17.463 mm
C - Cup Width
13.495 mm
C1 - Cup Flange Width
3.970 mm
T1 - Bearing Width to Flange
7.938 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
1.300 mm
r - Cup Backface "To Clear" Radius2
1.5 mm
da - Cone Frontface Backing Diameter
30.5 mm
db - Cone Backface Backing Diameter
32.5 mm
Da - Cup Frontface Backing Diameter
59.94 mm
Ab - Cage-Cone Frontface Clearance
2.5 mm
Aa - Cage-Cone Backface Clearance
0 mm
a - Effective Center Location3
-5.1 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
14100 N
C1 - Dynamic Radial Rating (1 million revolutions)5
54500 N
C0 - Static Radial Rating
50100 N
C6
8380 N
Factors
K - Factor7
1.69
e - ISO Factor8
0.35
Y - ISO Factor9
1.73
G1 - Heat Generation Factor (Roller-Raceway)
12.7
G2 - Heat Generation Factor (Rib-Roller End)
10.3
Cg - Geometry Factor10
0.0577
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