NSK R2-5
Extra Small Ball Bearings and Miniature Ball Bearings Inch Series
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
R2-5
Boundary Dimensions
d
3.175
mm
Bore diameter
D
7.938
mm
Outside diameter
B
2.779
mm
Width
r (min.)
0.1
mm
Chamfer dimension
Basic Load Ratings
Cr
615
N
Basic dynamic load rating
C0r
179
N
Basic static load rating
Speeds
Grease
60000
min-1
Grease lubrication
Oil (Oil-bath)
67000
min-1
Oil-bath lubrication
da (min.)
4
mm
Diameter of shaft abutment
Da (max.)
7.1
mm
Diameter of housing abutment
ra (max.)
0.1
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
z
6
Number of Balls
Dw
1.588
mm
Ball Diameter
