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 344 N2/309829

QJ 344 N2/309829

Dimensions

d		220	mm
D		460	mm
B		88	mm
d₁	≈	308	mm
D₁	≈	372	mm
a		238	mm
h		12.5	mm
b		15	mm
r₀		2.5	mm
r_1,2	min.	5	mm

Abutment dimensions

d_a	min.	242	mm
D_a	max.	438	mm
r_a	max.	4	mm

Calculation data

Basic dynamic load rating	C	904	kN
Basic static load rating	C₀	1660	kN
Fatigue load limit	P_u	38	kN
Limiting speed		2400	r/min
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

77.2

Model Number: QJ 344 N2/309829
Inner Diameter：220mm Outer Diameter：460mm Width：88mm
Reference speed:2400 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:inorganic chemical,Textile Accessories,Hydraulic Press,instrument,Pneumatic Actuator,Anesthetic Equipment,Body shaping,forklift industry,Control,mechanical and electrical,Dental Equipment
Similar models:PCM 303440 E 22344 CCJA/W33VA405 L 183448/410 22344-2CS5/VT143 NU 2344 ECML BD-22344-2CS5K/VT143-OH 2344 H NU 2344 ECMP HJ 344 NUH 2344 ECMH 344/332 AA
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Model No.	Inner Diameter	Outer Diameter	Width	Type
11223	28.575	47.6	6.35	Seals
22317 EK	85	180	60	Bearings, units and housings
406303	612	-	-	Seals
528720	228.6	266.7	15.88	Seals
61800-2RS1	10	19	5	Bearings, units and housings
624	4	13	5	Bearings, units and housings
BS2-2220-2RS5/VT143	100	180	55	Bearings, units and housings
FSYE 3 1/2 N-118	88.9	-	-	Bearings, units and housings
NU 2344 ECML	220	460	145	Bearings, units and housings
NUP 2307 ECP	35	80	31	Bearings, units and housings
PL 56	-	-	29.3624	Bearings, units and housings
SSAFS 22528 T	125.4125	-	-	Bearings, units and housings

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