NSK R2
Extra Small Ball Bearings and Miniature Ball Bearings Inch Series
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
R2
Boundary Dimensions
d
3.175
mm
Bore diameter
D
9.525
mm
Outside diameter
B
3.967
mm
Width
r (min.)
0.3
mm
Chamfer dimension
Basic Load Ratings
Cr
695
N
Basic dynamic load rating
C0r
218
N
Basic static load rating
Speeds
Grease
56000
min-1
Grease lubrication
Oil (Oil-bath)
67000
min-1
Oil-bath lubrication
da (min.)
5.2
mm
Diameter of shaft abutment
Da (max.)
7.5
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
