NSK 634
Extra Small Ball Bearings and Miniature Ball Bearings Metric Series
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
634
Boundary Dimensions
d
4
mm
Bore diameter
D
16
mm
Outside diameter
B
5
mm
Width
r (min.)
0.3
mm
Chamfer dimension
Basic Load Ratings
Cr
1910
N
Basic dynamic load rating
C0r
670
N
Basic static load rating
Speeds
Grease
36000
min-1
Grease lubrication
Oil (Oil-bath)
43000
min-1
Oil-bath lubrication
da (min.)
6
mm
Diameter of shaft abutment
Da (max.)
14
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
2.778
mm
Ball Diameter
