NSK NNU4920MBKR
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NNU4920MBKR
Boundary Dimensions
NNU: Outer 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
112
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(max.)
133.5
mm
Diameter of Housing Abutment
ra(max.)
1
mm
Radius of Shaft or Housing Fillet
