No outer cover
model NKX12 X-life XL quality m
≈kg 38 No outer cover
model NKX12-Z X-life XL quality m
≈kg 40

size mm

Fw	12
D	21
D1 max	26.1
D2 max	27.2
C -0.25	23
C1 –0.2	9
C2	6.5
dw E8	12
r min	0.3

installation size mm

da	21.7
ra max	0.3

Basic rated load N

radial live load/Cr	10100
radial dead load/Cor	11000
axial live load/Cr
axial dead load/Cor

Fatigue limit load N

Cur
Cua

limit speed nG min–1
Recommended inner circle model