Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Four-point contact ball bearings -- Angular contact ball bearings, four-point contact ball bearings SKF QJ 230 N2MA

QJ 230 N2MA

SKF Explorer

Dimensions

d		150	mm
D		270	mm
B		45	mm
d₁	≈	194	mm
D₁	≈	226	mm
a		147	mm
h		11.7	mm
b		10.5	mm
r₀		2	mm
r_1,2	min.	3	mm

Abutment dimensions

d_a	min.	164	mm
D_a	max.	256	mm
r_a	max.	2.5	mm

Calculation data

Basic dynamic load rating	C	400	kN
Basic static load rating	C₀	570	kN
Fatigue load limit	P_u	16.6	kN
Limiting speed		4000	r/min
Calculation factor	A	793.04
Calculation factor	e	0.95
Calculation factor	X	0.6
Calculation factor	Y₀	0.58
Calculation factor	Y₁	0.66
Calculation factor	Y₂	1.07

Mass

Mass bearing

12.5

Model Number: QJ 230 N2MA
Inner Diameter：150mm Outer Diameter：270mm Width：45mm
Reference speed:4000 r/min Limiting speed:-
Type：Bearings, units and housings Ball bearings Angular contact ball bearings Four-point contact ball bearings
Details： Four-point contact ball bearings Angular contact ball bearings, four-point contact ball bearings
Update date：2021-06-04
Application:special broaching machine,Hydraulic Press,X-ray Equipment,static control,printing equipment,transportation equipment,chamfering machine etc,preservation equipment,Tool,climb ladder,Leather Products
Similar models:H 2309 BD-23022 CCK/W33-H 322 BD-C 2230 K-AHX 3130 G 23026 CC/W33 SAF 23034 KAT x 6 SAF 23038 KA x 6.7/8 PCM 283230 E NU 2307 ECP SAF 23040 KATLC x 7.1/8 23096 CAK/W33
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1188118	301.625	333.38	15.88	Seals
1900566	482.6	533.4	22.23	Seals
585 VE R	570	-	-	Seals
86546	-	-	63.5	Seals
71912 ACB/HCP4AL	60	85	13	Bearings, units and housings
71928 CD/HCP4AH1	140	190	24	Bearings, units and housings
C 4032 K30	160	240	80	Bearings, units and housings
K 30x35x13	30	35	13	Bearings, units and housings
P 52 R-20 RM	20	-	-	Bearings, units and housings
PFT 47	-	-	-	Bearings, units and housings
SAFS 23040 KA x 7.1/8	180.975	-	-	Bearings, units and housings
SYNT 40 LTS	40	-	-	Bearings, units and housings

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Hot number： 26237 50x72x8 HMSA10 RG 7536 6316-Z 638-2RZ 7305 ACCBM 71916 CE/P4AL AOH 30/950 D/W RW2-6 FY 1.1/16 TF KMT 19 NNCL 4932 CV SAF 23044 KATLC x 7.7/8 SILKAC 18 M SYJ 90 TF