NSK R4AA
Extra Small Ball Bearings and Miniature Ball Bearings Inch Series
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
R4AA
Boundary Dimensions
d
6.35
mm
Bore diameter
D
19.05
mm
Outside diameter
B
5.558
mm
Width
r (min.)
0.4
mm
Chamfer dimension
Basic Load Ratings
Cr
2880
N
Basic dynamic load rating
C0r
885
N
Basic static load rating
Speeds
Grease
36000
min-1
Grease lubrication
Oil (Oil-bath)
43000
min-1
Oil-bath lubrication
da (min.)
9.4
mm
Diameter of shaft abutment
Da (max.)
16
mm
Diameter of housing abutment
ra (max.)
0.4
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
z
7
Number of Balls
Dw
3.5
mm
Ball Diameter
