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 234 N2MA

QJ 234 N2MA

SKF Explorer

Dimensions

d		170	mm
D		310	mm
B		52	mm
d₁	≈	204	mm
D₁	≈	243	mm
a		168	mm
h		12.7	mm
b		10.5	mm
r₀		2	mm
r_1,2	min.	4	mm

Abutment dimensions

d_a	min.	187	mm
D_a	max.	293	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	455	kN
Basic static load rating	C₀	720	kN
Fatigue load limit	P_u	20	kN
Limiting speed		3400	r/min
Calculation factor	A	1256.92
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

19.5

Model Number: QJ 234 N2MA
Inner Diameter：170mm Outer Diameter：310mm Width：52mm
Reference speed:3400 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：2025-12-09
Application:hardware,industrial supplies,granulator,Vertical machining,ship special,knitted fabrics,glass,Wire grinder,pump accessories,Solenoid Valves,Processing machinery
Similar models:BD-22348 CCK/W33-AOH 2348 NJG 2344 VH H 2340 L C 2234 NUP 234 ECM SAFS 22340 T HJ 2234 EC GS 81234 BD-23244 CCK/W33-OH 2344 H BD-22234 CCK/W33-AH 3134 G
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Model No.	Inner Diameter	Outer Diameter	Width	Type
145x180x12 HMSA10 V	145	180	12	Seals
20445	51.943	72.009	15.6972	Seals
28x42x7 HMS5 V	28	42	7	Seals
309	45	100	25	Bearings, units and housings
3719	9.525	21.23	4.78	Seals
417502	1585	-	-	Seals
71926 ACD/HCP4AH1	130	180	24	Bearings, units and housings
GRA 3040	200	270	82	Bearings, units and housings
H 2326 L	115	130	121	Bearings, units and housings
PCMS 1005001.5 E	-	-	100	Bearings, units and housings
SY 2.15/16 UTF	74.613	-	-	Bearings, units and housings
WS 81252	260		23.5	Bearings, units and housings

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