Spherical Outer Ring Type Model NURT.The outer ring is spherically machined to help reduce biased loads. (Symbol R)
 
Model No. Main dimensions Basic load rating Detail specifications CAD Dimensional drawing
Inner 
diameter
di
Inscribed bore 
diameter
dr
Outer 
diameter
D

B

C
Dynamic rating
C
Static rating
C0
2D (DXF) 3D
mm mm mm mm mm kN kN
NURT 15R 15 35 19 18 23.4 27.2
NURT 15R-1 15 42 19 18 23.4 27.2
NURT 17R 17 40 21 20 25.2 30.9
NURT 17R-1 17 47 21 20 25.2 30.9
NURT 20R 20 47 25 24 38.9 48.9
NURT 20R-1 20 52 25 24 38.9 48.9
NURT 25R 25 52 25 24 43 58.1
NURT 25R-1 25 62 25 24 43 58.1
NURT 30R 30 62 29 28 57.5 74.3
NURT 30R-1 30 72 29 28 57.5 74.3
NURT 35R 35 72 29 28 63.3 87.5
NURT 35R-1 35 80 29 28 63.3 87.5
NURT 40R 40 80 32 30 86.9 124
NURT 40R-1 40 90 32 30 86.9 124
NURT 45R 45 85 32 30 91.7 137
NURT 45R-1 45 100 32 30 91.7 137
NURT 50R 50 90 32 30 96.3 149
NURT 50R-1 50 110 32 30 96.3 149