Bearings, units and housings -- Roller bearings -- Needle roller bearings -- Combined needle roller bearings -- Needle roller / thrust rolling bearings SKF NKX 12 Z

NKX 12 Z

Dimensions

F_w		12	mm
D		21	mm
C		23	mm
C₁		9	mm
C₂		6.5	mm
d		12	mm
D₂		27.2	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a	min.	21.7	mm
r_a	max.	0.3	mm
r_b	max.	0.3	mm
d_i		9	mm
F		12	mm
B_i		16	mm

Calculation data

Basic dynamic load rating, radial direction	C	9.13	kN
Basic static load rating, radial direction	C₀	12	kN
Basic dynamic load rating, axial direction	C	10.4	kN
Basic static load rating, axial direction	C₀	16.6	kN
Fatigue load limit, radial direction	P_u	1.43	kN
Fatigue load limit, axial direction	P_u	0.62	kN
Minimum axial load factor	A	0.0014
Reference speed		9000	r/min
Limiting speed		7500	r/min

Mass

Mass bearing

0.04

Associated products

Inner ring

IR 9x12x16

Model Number: NKX 12 Z
Inner Diameter：12mm Outer Diameter：21mm Width：23mm
Reference speed:7500 r/min Limiting speed:9000 r/min
Type：Bearings, units and housings Roller bearings Needle roller bearings Combined needle roller bearings
Details： Combined needle roller bearings Needle roller / thrust rolling bearings
Update date：2026-04-20
Application:medical equipment,animal,plastic rolling,Film machine,Equipment,Sensors,filter paper products,tooth filling,chamfering machine etc,shoe-making machinery,lifting equipment Hoisting hoist
Similar models:BTM 120 BTN9/HCP4CDB 7212 BEGAM GEZM 212 ESX-2LS 2212 E-2RS1KTN9 GE 120 ES-2LS 7412 BM PBM 061206 M1 PBM 071210 M1 51201 V/HR11T1 K 81248 M
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Model No.	Inner Diameter	Outer Diameter	Width	Type
14247	36.5252	57.15	7.95	Seals
3305 A-2Z	25	62	25.4	Bearings, units and housings
550085	52.4002	73.03	9.53	Seals
614885	487.5	650	78	Bearings, units and housings
619/1060 MB	1060	1400	150	Bearings, units and housings
6301/HR22Q2	12	37	12	Bearings, units and housings
7013 CD/HCP4A	65	100	18	Bearings, units and housings
7272 BM	360	650	95	Bearings, units and housings
MBL 24	120	152	-	Bearings, units and housings
PCZ 2424 M	38.1	42.06875	38.1	Bearings, units and housings
S7006 CD/HCP4A	30	55	13	Bearings, units and housings
Z 014 F	70	-	7	Seals

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