Timken 387A – 383A (Y2S-383A)
Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount)
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
387A – 383A (Y2S-383A)
Specifications
Cone Part Number
387A
Cup Part Number
383A
Related Assembly Number(s)
387A-902A6
Outer Spacer Part Number
Y2S-383A
Design Unit
Inch
Dimensions
d - Bore
57.150 mm
D - Cup Outer Diameter
100 mm
T - Width
42.001 mm
B - Width
43.891 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
0.3 mm
r - Cup Backface "To Clear" Radius2
2.03 mm
db - Cone Backface Backing Diameter
70 mm
Da - Cup Frontface Backing Diameter
93.00 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
28000 N
C1 - Dynamic Radial Rating (1 million revolutions)4
188000 N
C5
16900 N
C906
48700 N
Factors
K - Factor7
1.65
e - ISO Factor8
0.35
Y1 - ISO Factor9
1.91
Y2 - ISO Factor10
2.84
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387A – 383A (Y2S-383A)
