Timken 15578 – 15520 (X1S-15578 – K158879R)
Tapered Roller Bearings - 2S (Matched Bearing Assembly, with snap ring spacer)
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
15578 – 15520 (X1S-15578 – K158879R)
Specifications
Cone Part Number
15578
Cup Part Number
15520
Inner Spacer Part Number
X1S-15578
Outer Spacer Part Number
K158879R
Design Unit
Inch
Dimensions
d - Bore
25.400 mm
D - Cup Outer Diameter
57.150 mm
T - Width
39.243 mm
C - Width
31.308 mm
Snap Ring Diameter
59.72 mm
Snap Ring Width
0.34 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
1.300 mm
r - Cup Backface "To Clear" Radius2
1.52 mm
db - Cone Backface Backing Diameter
32.5 mm
Da - Cup Frontface Backing Diameter
53.10 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)
14100 N
C1 - Dynamic Radial Rating (1 million revolutions)3
94900 N
C4
8380 N
C905
24600 N
Factors
K - Factor6
1.69
e - ISO Factor7
0.35
Y1 - ISO Factor8
1.95
Y2 - ISO Factor9
2.9
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15578 – 15520 (X1S-15578 – K158879R)
