NSK NN4928MBKR
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NN4928MBKR
Boundary Dimensions
NN: Inner ring rib type
Bearing Type
d
140
mm
Bore diameter
D
190
mm
Outside diameter
B
50
mm
Width
r(min.)
1.5
mm
Chamfer Dimension
Basic Load Ratings
Cr
325
kN
Basic Dynamic Load Rating
C0r
585
kN
Basic Static Load Rating
Speeds
Grease
4600
min-1
Limiting Speed
Oil (Oil-air)
5500
min-1
Limiting Speed
Dimensions
Ew
178
mm
Roller Circumscribed Circle Diameters
s
1.7
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
148
mm
Diameter of Shaft Abutment
d1a(min.)
150
mm
Diameter of Shaft Abutment
Da(min.)
180
mm
Diameter of Housing Abutment
Da(max.)
182
mm
Diameter of Housing Abutment
ra(max.)
1.5
mm
Radius of Shaft or Housing Fillet
