NSK 637
Extra Small Ball Bearings and Miniature Ball Bearings Metric Series
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
637
Boundary Dimensions
d
7
mm
Bore diameter
D
26
mm
Outside diameter
B
9
mm
Width
r (min.)
0.3
mm
Chamfer dimension
Basic Load Ratings
Cr
5050
N
Basic dynamic load rating
C0r
1970
N
Basic static load rating
Speeds
Grease
28000
min-1
Grease lubrication
Oil (Oil-bath)
34000
min-1
Oil-bath lubrication
da (min.)
9
mm
Diameter of shaft abutment
Da (max.)
24
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
4.762
mm
Ball Diameter
