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：2026-04-16
Application:luminescent reagent,motor,Leather Products,air shower etc,Doppler,baler,DC generators,atomizer class,pump accessories,industrial skin care,extruder
Similar models:32234/DF SAW 23234 T OH 2344 H BD-22234 CCK/W33-AH 3134 G BD-23248 CCK/W33-AOH 2348 NU 2234 ECML BD-23248 CCK/W33-OH 2348 H HJ 2234 EC SAFS 22340 T NUH 2340 ECMH
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NA 6910	50	72	40	Bearings, units and housings
P 25 RM	25	-	-	Bearings, units and housings
PCZ 3030 M	47.625	52.3875	47.625	Bearings, units and housings
PCZ 6476 M	101.6	106.3625	120.65	Bearings, units and housings
S71904 CD/P4A	20	37	9	Bearings, units and housings
SAF 1617 x 2.7/8	73.025	-	-	Bearings, units and housings
SAF 22616 x 2.3/4 TLC	69.85	-	-	Bearings, units and housings
SAFS 22522 x 3.13/16	96.8375	-	-	Bearings, units and housings

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