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：2024-12-13
Application:rock drilling machinery,car steering pin,generator,internal combustion engine,packing equipment,Rolling mill,sheet industry,directional control valve,engineering machinery,Laser Devices,Vacuum generator
Similar models:NU 2344 ECMP 22340 CCK/W33 22344-2CS5/VT143 NCF 2234 ECJB SAW 23234 BD-22344-2CS5K/VT143-OH 2344 H BD-C 2234 K-H 3134 L L 432348/310 SAFS 22234 TLC SAFS 22340 TLC
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Model No.	Inner Diameter	Outer Diameter	Width	Type
22348 CCKJA/W33VA405	240	500	155	Bearings, units and housings
58760	149.225	190.5	12.7	Seals
60x82x12 HMS5 RG	60	82	12	Seals
7011 ACE/P4AL	55	90	18	Bearings, units and housings
71917 CD/P4AL	85	120	18	Bearings, units and housings
7205 BEP	25	52	15	Bearings, units and housings
BK 1015	10	14	15	Bearings, units and housings
NUP 314 ECML	70	150	35	Bearings, units and housings
PFT 17 RM	17	-	-	Bearings, units and housings
PWM 150165180	165	150	180	Bearings, units and housings
SAFS 23034 KAT x 6	152.4	-	-	Bearings, units and housings
Z 201	12	-	4	Seals

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