/wp-content/uploads/2025/Needle-Roller-Bearings.jpg
Koyo NAXK12Z
(BRAND)：KOYO
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
(Boundary dimensions ...etc)
Fw
12 mm
D
21 mm
C
23 mm
dw(E7)
12 mm
Da
27 mm
C1
9 mm
C2
6.5 mm
r(min.)
0.3 mm
Limiting speeds(Oil lub.)
9000 min-1
Basic load ratings : Cr
7.5 kN
Basic load ratings : C0r
8.5 kN
Basic load ratings Ca
10.7 kN
Basic load ratings C0a
15.4 kN
Fatigue load limit : Cu(Radial)
1.30 kN
Fatigue load limit : Cu(Thrust)
0.690 kN
Used with inner ring No.
JR9x12x16
Mounting dimensions
Refer.
(Refer.)Mass
0.047 kg
