NSK R188
Extra Small Ball Bearings and Miniature Ball Bearings Inch Series
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
R188
Boundary Dimensions
d
6.35
mm
Bore diameter
D
12.7
mm
Outside diameter
B
3.175
mm
Width
r (min.)
0.15
mm
Chamfer dimension
Basic Load Ratings
Cr
1190
N
Basic dynamic load rating
C0r
440
N
Basic static load rating
Speeds
Grease
40000
min-1
Grease lubrication
Oil (Oil-bath)
50000
min-1
Oil-bath lubrication
da (min.)
7.6
mm
Diameter of shaft abutment
Da (max.)
11.5
mm
Diameter of housing abutment
ra (max.)
0.15
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
z
8
Number of Balls
Dw
2
mm
Ball Diameter
