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 1284 N2MA

QJ 1284 N2MA

Dimensions

d		420	mm
D		760	mm
B		150	mm
d₁	≈	549	mm
D₁	≈	631	mm
a		590	mm
h		20.5	mm
b		25	mm
r₀		3	mm
r_1,2	min.	7.5	mm

Abutment dimensions

d_a	min.	456	mm
D_a	max.	724	mm
r_a	max.	6	mm

Calculation data

Basic dynamic load rating	C	1430	kN
Basic static load rating	C₀	3750	kN
Fatigue load limit	P_u	64	kN
Limiting speed		1300	r/min
Calculation factor	e	1.34
Calculation factor	X	0.54
Calculation factor	Y₀	0.44
Calculation factor	Y₁	0.47
Calculation factor	Y₂	0.81

Mass

Mass bearing

315

Model Number: QJ 1284 N2MA
Inner Diameter：420mm Outer Diameter：760mm Width：150mm
Reference speed:1300 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：2021-06-05
Application:agriculture,rubber products machinery and equipment,luminescent reagent,spring industry,switch,dynamic blood pressure,Film machine,Vacuum generator,pump,spectrometer,Broadcasting System
Similar models:312844 51284 F 81284 M QJ 1284 N2MA 312844/VJ202
BEARING POWER International Trading Co.,Ltd. specialize in QJ1284N2MA products，there is large inventory of SKF QJ 1284 N2MA Four-point contact ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the QJ 1284 N2MA Which SKF QJ1284N2MA is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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108x170x15 HMS5 RG	108	170	15	Seals
313189 A	559.84	920	-	Bearings, units and housings
345 VRME R	338	-	-	Seals
61808-2RS1	40	52	7	Bearings, units and housings
71914 CB/HCP4A	70	100	16	Bearings, units and housings
N 320 ECM	100	215	47	Bearings, units and housings
NNU 49/600 B/SPW33X	600	800	200	Bearings, units and housings
NU 208 ECKP	40	80	18	Bearings, units and housings
NU 2238 ECM	190	340	92	Bearings, units and housings
PBM 708560 M1G1	70	85	60	Bearings, units and housings
SHT 110	110	-	-	Coupling systems
SAF 23030 KA x 5.3/16	131.7625	-	-	Bearings, units and housings

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