Four-point Angular Contact Ball Bearing

Send Inquiry

PDF

Product Information

Core Performance Advantages:

High rotational accuracy and smooth operation

Extremely high limiting speed

High rigidity (axial and radial)

Good combined load capacity

Low friction and low temperature rise (relative to its performance)

Application Scenarios:

Machine Tool Spindles: Electric and mechanical spindles for machining centers, lathes, milling machines, and grinding machines (the most core application area).

High-Speed Applications: Turbochargers, centrifugal compressors, high-speed pumps.

Precision Equipment: Industrial robot reducers, precision rotary tables, semiconductor manufacturing equipment, medical equipment spindles.

Gearboxes: Axial positioning bearings for high-speed gearboxes.

Inquiry	Bearing NO.		Boundary dimensions(mm)				Basic load ratings(kN)		Limiting speed(rpm)		Application point	Abutment and fillet dimensions(mm)			Value					Weight (kg)
Inquiry	New	Old	d	D	B	r 1.2min	Cr	Cor	Grease	Oil	a	da min	Da max	ra max	e	x	Y1	Y2	Y0	Refer
	QJF1048X1MB	116748	240	359.5	56	3	449	780	1200	1700	210	254	346	2.5	0.95	0.6	0.66	1.07	0.58	20.9
	QJ248N2MA	176248K	240	440	72	4	650	1200	1000	1500	238	258	422	3	0.95	0.6	0.66	1.07	0.58	53
	QJF248MB	116248	240	440	72	4	650	1200	1000	1500	238	258	422	3	0.95	0.6	0.66	1.07	0.58	53
	QJ348N2MA	176348K	240	500	95	5	1020	1960	800	1200	259	260	480	4	0.95	0.6	0.66	1.07	0.58	98.2
	QJF348MB	116348	240	500	95	5	1020	1960	800	1200	260	260	480	4	0.95	0.6	0.66	1.07	0.58	98.2
	QJ1952N2MA	176952K	260	360	46	2.1	390	710	1100	1600	218	271	349	2	0.95	0.6	0.66	1.07	0.58	15
	QJ1052N2MA	176152K	260	400	65	4	540	1000	1000	1500	231	278	382	3	0.95	0.6	0.66	1.07	0.58	31.5
	QJ1052MA	176152	260	400	65	4	540	1000	1000	1500	231	278	382	3	0.95	0.6	0.66	1.07	0.58	31.5
	QJ1052X1MA	176752	260	399.5	65	4	550	1000	1000	1500	231	278	383	3	0.95	0.6	0.66	1.07	0.58	31.3
	QJF1052X1MB	116752	260	399.5	65	4	550	1000	1000	1500	231	278	383	3	0.95	0.6	0.66	1.07	0.58	31.3
	QJ252N2MA	176252K	260	480	80	5	728	1430	900	1300	259	282	458	4	0.95	0.6	0.66	1.07	0.58	68
	QJF252MB	116252	260	480	80	5	728	1430	900	1300	370	282	458	4	0.95	0.6	0.66	1.07	0.58	78
	QJ1056N2MA	176156K	280	420	65	4	553	1060	950	1400	245	298	402	3	0.95	0.6	0.66	1.07	0.58	33.5
	QJF1056MB	116156	280	420	65	4	553	1060	950	1400	245	298	402	3	0.95	0.6	0.66	1.07	0.58	33.8
	QJ1056X1MA	176756	280	419.5	65	4	553	1060	950	1400	245	298	402	3	0.95	0.6	0.66	1.07	0.58	33.6
	QJF1058MB	116756	280	419.5	65	4	553	1060	950	1400	245	298	402	3	0.95	0.6	0.66	1.07	0.58	33.6
	QJ1256N2MA		280	500	90	5	728	1460	900	1300	390	302	478	4	1.34	0.54	0.47	0.81	0.44	82
	QJ1060N2MA	176160K	300	460	74	4	650	1340	900	1300	266	318	442	3	0.95	0.6	0.66	1.07	0.58	47.5
	QJF1060MB	116160	300	460	74	4	650	1340	900	1300	266	318	442	3	0.95	0.6	0.66	1.07	0.58	48.5
	QJ1060X3MA	176860	300	459.5	68	4	600	1250	900	1300	266	318	442	3	0.95	0.6	0.66	1.07	0.58	48.2
	QJF1060X3MB	116860	300	459.5	68	4	600	1250	900	1300	266	318	442	3	0.95	0.6	0.66	1.07	0.58	48.2
	QJ1260N2MA		300	540	98	5	832	1760	850	1200	420	322	518	4	1.34	0.54	0.47	0.81	0.44	105
	QJ1064N2MA	176164K	320	480	74	4	663	1400	850	1200	280	338	462	3	0.95	0.6	0.66	1.07	0.58	50
	QJF1064MB	116164	320	480	74	4	663	1400	850	1200	280	338	462	3	0.95	0.6	0.66	1.07	0.58	51.8
	QJ1064X1MA	176764	320	479.5	74	4	660	1400	850	1200	280	338	462	3	0.95	0.6	0.66	1.07	0.58	51.8
	QJF1064X1MB	116764	320	479.5	74	4	660	1400	850	1200	280	338	462	3	0.95	0.6	0.66	1.07	0.58	51.8
	QJ1264N2MA		320	580	105	5	923	2040	800	1100	450	342	558	4	1.34	0.54	0.47	0.81	0.44	130
	QJ1068N2MA	176168K	340	520	82	5	780	1700	800	1100	301	362	498	4	0.95	0.6	0.66	1.07	0.58	66.3
	QJF1068MB	116168	340	520	82	5	780	1700	800	1100	301	362	498	4	0.95	0.6	0.66	1.07	0.58	68.8
	QJ1268N2MA		340	620	118	6	1060	2450	750	1000	480	368	592	5	1.34	0.54	0.47	0.81	0.44	165
Previous 1 2 3 456 Next