NSK R2A
Extra Small Ball Bearings and Miniature Ball Bearings Inch Series
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
R2A
Boundary Dimensions
d
3.175
mm
Bore diameter
D
12.7
mm
Outside diameter
B
4.366
mm
Width
r (min.)
0.3
mm
Chamfer dimension
Basic Load Ratings
Cr
705
N
Basic dynamic load rating
C0r
225
N
Basic static load rating
Speeds
Grease
53000
min-1
Grease lubrication
Oil (Oil-bath)
63000
min-1
Oil-bath lubrication
da (min.)
5.2
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
1.588
mm
Ball Diameter
