Timken NA18685 – 18620D
Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Detailed data of
NA18685 – 18620D
Specifications
Cone Part Number
NA18685
Cup Part Number
18620D
Design Unit
Inch
Dimensions
d - Bore
44.450 mm
D - Cup Outer Diameter
79.375 mm
T - Bearing Width across Cones
41.272 mm
C - Double Cup Width
33.338 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
2.8 mm
r - Cup Backface "To Clear" Radius2
0.8 mm
db - Cone Backface Backing Diameter
54 mm
Da - Cup Frontface Backing Diameter
73.91 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
13500 N
C1 - Dynamic Radial Rating (1 million revolutions)4
90600 N
C5
8630 N
C906
23500 N
Factors
K - Factor7
1.56
e - ISO Factor8
0.37
Y1 - ISO Factor9
1.8
Y2 - ISO Factor10
2.69
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