NSK 6808NR
Single-Row Deep Groove Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
6808NR
Boundary Dimensions
d
40
mm
Bore diameter
D
52
mm
Outside diameter
B
7
mm
Width
r (min.)
0.3
mm
Chamfer dimension
Basic Load Ratings
Cr
7000
N
Basic dynamic load rating
C0r
5550
N
Basic static load rating
Speeds
Grease
12000
min-1
Grease lubrication
Oil (Oil-bath)
14000
min-1
Oil-bath lubrication
D2 (max.)
54.8
mm
Outside diameter of snap ring
f (max.)
0.85
mm
Width of snap ring
a (min.)
1.3
mm
Distance outer ring from side face to snap ring groove
b (min.)
0.95
mm
Width of snap ring groove
D1 (max.)
50.7
mm
Diameter of snap ring groove
ro (max.)
0.25
mm
Bottom radius of snap ring groove
rN
0.3
mm
Chamfer dimension
Dimensions
da (min.)
42
mm
Diameter of shaft abutment
da (max.)
42
mm
Diameter of shaft abutment
Da (max.)
50
mm
Diameter of housing abutment
ra (max.)
0.3
mm
Radius of shaft or housing fillet
Dx (min.)
55.5
mm
Diameter of snap ring recess in the housing
Cy (max.)
1.8
mm
Distance from outer ring side face to snap ring back face
