NSK 6821NR
Single-Row Deep Groove Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
6821NR
Boundary Dimensions
d
105
mm
Bore diameter
D
130
mm
Outside diameter
B
13
mm
Width
r (min.)
1
mm
Chamfer dimension
Basic Load Ratings
Cr
21800
N
Basic dynamic load rating
C0r
23900
N
Basic static load rating
Speeds
Grease
4800
min-1
Grease lubrication
Oil (Oil-bath)
5600
min-1
Oil-bath lubrication
D2 (max.)
135.7
mm
Outside diameter of snap ring
f (max.)
1.12
mm
Width of snap ring
a (min.)
2.1
mm
Distance outer ring from side face to snap ring groove
b (min.)
1.3
mm
Width of snap ring groove
D1 (max.)
127.6
mm
Diameter of snap ring groove
ro (max.)
0.4
mm
Bottom radius of snap ring groove
rN
0.5
mm
Chamfer dimension
Dimensions
da (min.)
110
mm
Diameter of shaft abutment
da (max.)
110.5
mm
Diameter of shaft abutment
Da (max.)
125
mm
Diameter of housing abutment
ra (max.)
1
mm
Radius of shaft or housing fillet
Dx (min.)
137
mm
Diameter of snap ring recess in the housing
Cy (max.)
2.9
mm
Distance from outer ring side face to snap ring back face
