Timken NA385 – 384CD
Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
NA385 – 384CD
Specifications
Cone Part Number
NA385
Cup Part Number
384CD
Design Unit
Inch
Dimensions
d - Bore
55.001 mm
D - Cup Outer Diameter
100 mm
T - Bearing Width across Cones
52.388 mm
C - Double Cup Width
42.863 mm
Ka
7.94 mm
Kb
4.77 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
67 mm
Da - Cup Frontface Backing Diameter
93.47 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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