NSK NN3021K
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NN3021K
Boundary Dimensions
d
105
mm
Bore diameter
D
160
mm
Outside diameter
B
41
mm
Width
EW
146
mm
Raceway diameter of outer ring
r (min.)
2
mm
Chamfer dimension
Basic Load Ratings
Cr
243000
N
Basic dynamic load rating
C0r
320000
N
Basic static load rating
Speeds
Grease
3800
min-1
Grease lubrication
Oil (Oil-bath)
4500
min-1
Oil-bath lubrication
da (min.)
114
mm
Diameter of shaft abutment
d1a (min.)
115
mm
Diameter of spacer sleeve abutment
Da (min.)
148
mm
Diameter of housing abutment
Da (max.)
151
mm
Diameter of housing abutment
rb (max.)
2
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
2.88
kg
Mass approx.
