Timken NA3780
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Design Units
Imperial
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
213000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
55100 N
Dimensions
d - Cone Bore
50.8 mm
B - Cone Width
32.544 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
3.5 mm
db - Cone Backface Backing Diameter
64 mm
Ab - Cage-Cone Frontface Clearance
-1.6272 mm
Aa - Cage-Cone Backface Clearance
3.2544 mm
a - Effective Center Location4
-8.1 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
31700 N
C6
18300 N
Factors
K - Factor7
1.73
