Timken NA539
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
300000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
77700 N
Dimensions
d - Cone Bore
53.975 mm
B - Cone Width
39.6875 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
3.5 mm
db - Cone Backface Backing Diameter
68 mm
Ab - Cage-Cone Frontface Clearance
-1.984375 mm
Aa - Cage-Cone Backface Clearance
3.96875 mm
a - Effective Center Location4
-12.2 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
44600 N
C6
22700 N
Factors
K - Factor7
1.97
