No outer cover
model NKXR20 X-life XL quality m
≈kg 80 No outer cover
model NKXR20-Z X-life XL quality m
≈kg 84

size mm

Fw	20
D	30
D1 max	35.1
D2 max	36.2
C -0.25	30
C1 –0.2	10
C2	10.5
dw E8	20
r min	0.3

installation size mm

da	30.7
ra max	0.3

Basic rated load N

radial live load/Cr	18600
radial dead load/Cor	23800
axial live load/Cr
axial dead load/Cor

Fatigue limit load N

Cur
Cua

limit speed nG min–1
Reference speed nB min–1
Recommended inner circle model