NSK R3
Extra Small Ball Bearings and Miniature Ball Bearings Inch Series
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
R3
Boundary Dimensions
d
4.762
mm
Bore diameter
D
12.7
mm
Outside diameter
B
3.967
mm
Width
r (min.)
0.3
mm
Chamfer dimension
Basic Load Ratings
Cr
1430
N
Basic dynamic load rating
C0r
485
N
Basic static load rating
Speeds
Grease
43000
min-1
Grease lubrication
Oil (Oil-bath)
53000
min-1
Oil-bath lubrication
da (min.)
6.8
mm
Diameter of shaft abutment
Da (max.)
10.7
mm
Diameter of housing abutment
ra (max.)
0.3
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
z
7
Number of Balls
Dw
2.381
mm
Ball Diameter
