NSK R144
Extra Small Ball Bearings and Miniature Ball Bearings Inch Series
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
R144
Boundary Dimensions
d
3.175
mm
Bore diameter
D
6.35
mm
Outside diameter
B
2.38
mm
Width
r (min.)
0.1
mm
Chamfer dimension
Basic Load Ratings
Cr
310
N
Basic dynamic load rating
C0r
95
N
Basic static load rating
Speeds
Grease
67000
min-1
Grease lubrication
Oil (Oil-bath)
80000
min-1
Oil-bath lubrication
da (min.)
4
mm
Diameter of shaft abutment
Da (max.)
5.5
mm
Diameter of housing abutment
ra (max.)
0.1
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
z
7
Number of Balls
Dw
1
mm
Ball Diameter
