Timken NA780 – 773D
Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
NA780 – 773D
Specifications
Cone Part Number
NA780
Cup Part Number
773D
Related Assembly Number(s)
NA780-90158
Design Unit
Inch
Dimensions
d - Bore
101.600 mm
D - Cup Outer Diameter
180 mm
T - Bearing Width across Cones
104.775 mm
C - Double Cup Width
85.725 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
3.5 mm
r - Cup Backface "To Clear" Radius2
0.8 mm
db - Cone Backface Backing Diameter
119 mm
Da - Cup Frontface Backing Diameter
168.90 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
89700 N
C1 - Dynamic Radial Rating (1 million revolutions)4
603000 N
C5
59200 N
C906
156000 N
Factors
K - Factor7
1.51
e - ISO Factor8
0.39
Y1 - ISO Factor9
1.75
Y2 - ISO Factor10
2.61
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