NSK HR31305J
Metric Series Tapered Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
HR31305J
Dimension series
ISO
7FB
ISO355 dimension series approx.
Boundary Dimensions
d
25
mm
Bore diameter
D
62
mm
Outside diameter
T
18.25
mm
Total width
B
17
mm
Width of inner ring
C
13
mm
Width of outer ring
Cup r (min.)
1.5
mm
Chamfer dimension of outer ring (Cup)
Cone r (min.)
1.5
mm
Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr
47000
N
Basic dynamic load rating
C0r
40500
N
Basic static load rating
Speeds
Grease
5600
min-1
Grease lubrication
Oil (Oil-bath)
8000
min-1
Oil-bath lubrication
a
19.9
mm
Effective load center
