NSK NN4920MB
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NN4920MB
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
100
mm
Bore diameter
D
140
mm
Outside diameter
B
40
mm
Width
r(min.)
1.1
mm
Chamfer Dimension
Basic Load Ratings
Cr
178
kN
Basic Dynamic Load Rating
C0r
295
kN
Basic Static Load Rating
Speeds
Grease
6300
min-1
Limiting Speed
Oil (Oil-air)
7500
min-1
Limiting Speed
Dimensions
Ew
130
mm
Roller Circumscribed Circle Diameters
s
1.2
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
106.5
mm
Diameter of Shaft Abutment
d1a(min.)
108
mm
Diameter of Shaft Abutment
Da(min.)
132
mm
Diameter of Housing Abutment
Da(max.)
133.5
mm
Diameter of Housing Abutment
ra(max.)
1
mm
Radius of Shaft or Housing Fillet
