NSK NNU4934MB
Double-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
NNU4934MB
Boundary Dimensions
NNU: Outer ring rib type
Bearing Type
d
170
mm
Bore diameter
D
230
mm
Outside diameter
B
60
mm
Width
r(min.)
2
mm
Chamfer Dimension
Basic Load Ratings
Cr
435
kN
Basic Dynamic Load Rating
C0r
805
kN
Basic Static Load Rating
Speeds
Grease
3800
min-1
Limiting Speed
Oil (Oil-air)
4500
min-1
Limiting Speed
Dimensions
Ew
187
mm
Roller Circumscribed Circle Diameters
s
1.3
mm
Axial Displacement
Abutment and Fillet Dimensions
da(min.)
179
mm
Diameter of Shaft Abutment
d1a(min.)
182
mm
Diameter of Shaft Abutment
Da(max.)
221
mm
Diameter of Housing Abutment
ra(max.)
2
mm
Radius of Shaft or Housing Fillet
