NSK R144ZZ
Extra Small Ball Bearings and Miniature Ball Bearings Inch Series
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
R144ZZ
Boundary Dimensions
d
3.175
mm
Bore diameter
D
6.35
mm
Outside diameter
B
2.779
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
db (max.)
3.9
mm
Diameter of shaft abutment
Db (max.)
5.8
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
