NSK HR30228J
Metric Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
HR30228J
Dimension series
ISO
4FB
ISO355 dimension series approx.
Boundary Dimensions
d
140
mm
Bore diameter
D
250
mm
Outside diameter
T
45.75
mm
Total width
B
42
mm
Width of inner ring
C
36
mm
Width of outer ring
Cup r (min.)
3
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
4
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
480000
N
Basic dynamic load rating
C0r
515000
N
Basic static load rating
Speeds
Grease
1400
min-1
Grease lubrication
Oil (Oil-bath)
1900
min-1
Oil-bath lubrication
a
48.9
mm
Effective load center
