Timken 3780 – 3720 (Y7S-3720)
Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount)
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
3780 – 3720 (Y7S-3720)
Specifications
Cone Part Number
3780
Cup Part Number
3720
Related Assembly Number(s)
3780-90151
Outer Spacer Part Number
Y7S-3720
Design Unit
Inch
Dimensions
d - Bore
50.8 mm
D - Cup Outer Diameter
93.264 mm
T - Width
60.325 mm
B - Width
60.604 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
0.50 mm
r - Cup Backface "To Clear" Radius2
3.30 mm
db - Cone Backface Backing Diameter
64 mm
Da - Cup Frontface Backing Diameter
87.90 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
31700 N
C1 - Dynamic Radial Rating (1 million revolutions)4
213000 N
C5
18300 N
C906
55100 N
Factors
K - Factor7
1.73
e - ISO Factor8
0.34
Y1 - ISO Factor9
1.99
Y2 - ISO Factor10
2.97
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3780 – 3720 (Y7S-3720)
