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 —