NSK UC311-203D1
Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
UC311-203D1
Included products
Bearing
Nominal Dimensions
d
55.562
mm
Bore diameter
D
120
mm
Outside diameter
B,B4
66
mm
Width of inner ring
C
34
mm
Outer ring width
r(min.)
2.5
mm
Chamfer dimension
S1
41
mm
Distance from locking device side face to raceway centre
G
12
mm
Distance face to thread centre
ds
1／2-22UNF
Set screw
Ca
8.5
mm
Distance from oil hole centre to raceway centre
d4
76.6
mm
Outside diameter of inner ring
Basic Load Ratings
Cr
71.5
kN
Basic dynamic load rating
C0r
45
kN
Basic static load rating
Mass
Mass approx.
2.06
kg
Mass approx.
