No outer cover
model NKXR50 X-life XL quality m
≈kg 268 No outer cover
model NKXR50-Z X-life XL quality m
≈kg 288

size mm

Fw	50
D	62
D1 max	70.2
D2 max	71.5
C -0.25	35
C1 –0.2	14
C2	10
dw E8	50
r min	0.6

installation size mm

da	65.5
ra max	0.6

Basic rated load N

radial live load/Cr	43000
radial dead load/Cor	74000
axial live load/Cr	61000
axial dead load/Cor	177000

Fatigue limit load N

Cur	12700
Cua	17400

limit speed nG min–1	3200
Reference speed nB min–1	1700
Recommended inner circle model	IR45X50X25