Four-point contact ball bearings-rolling mill bearings, Roll neck bearings, Tapered roller bearings, Spherical roller bearings-FUWEI (LUOYANG) METALLURGY BEARING TECHNOLOGY CO.,LTD.

Four-point contact ball bearings

Four-point contact ball bearings are radial single row angular contact ball bearings with raceways that are designed to support axial loads in both directions. For a given axial load, a limited radial load can also be supported (Load ratio). The bearings are separable, i.e. the outer ring with ball and cage assembly can be mounted separately from the two inner ring halves. Both inner ring halves of FV four-point contact ball bearings have a recessed shoulder. This improves oil flow when the bearing is used in combination with an FV cylindrical roller bearing. In addition, these recesses can be used to facilitate dismounting.

Size range： QJ Series, QJF Series

Applications：

QJ Series - Four-point contact ball bearings

QJ Series - Four-point contact ball bearings -FV BEARING

BEARING CODE	Basic dimensions				Rated load		Limit speed		Mass
BEARING CODE	d	D	B	rsmin	Cr	Cor	Grease	Oil	Mass
QJ1016N2	80	125	22	1.1	80	91.5	3900	5200	1.07
QJ1021M	105	160	26	2	120	150	2800	3800	2
QJ1022M	110	170	28	2	147	186	2800	3800	2.68
QJ1026	130	200	33	2	182	240	2200	3200	4.22
QJ1030	150	225	35	2.1	220	298	2000	2800	5.26
QJ1034	170	260	42	2.1	292	410	1800	2400	8.23
QJ1036	180	280	46	2.1	320	480	1700	2200	10.7
QJ1038	190	290	46	2.1	315	485	1600	2200	11.5
QJ1040	200	310	51	2.1	390	620	1500	2000	14.7
QJ1044	220	340	56	3	400	655	1200	1700	17.8
QJ1048	240	360	56	3	265	380	1100	1500	20.9
QJ1052M	260	400	65	4	507	910	980	1200	31.5
QJ1056M	280	420	65	4	533	1010	960	1000	34.4
QJ1068	340	520	82	5	468	835	700	950	68.4
QJ1072	360	540	82	5	775	1750	850	1000	71.5
QJ1076	380	560	82	5	800	1900	700	950	74
QJ1080	400	600	90	5	880	5150	750	950	95
QJ1084	420	620	90	5	900	2320	650	900	100
QJ1088	440	650	94	6	975	2550	600	800	110
QJ1092	460	680	100	6	1010	2550	650	850	130

QJF Series - Four-point contact ball bearings

BEARING CODE	Basic dimensions				Rated load		Limit speed		Mass
BEARING CODE	d	D	B	rsmin	Cr	Cor	Grease	Oil	Mass
QJF1020	100	150	24	1.5	103	128	3200	4300	1.63
QJF1028	140	210	33	2	268	273	2200	3000	3.35
QJF1030	150	225	35	2.1	220	298	2000	2800	5.29
QJF1030J/C9	150	225	35	2.1	176	213	2000	2800	4.37
QJF1032	160	240	38	2.1	239	335	1900	2600	6.54
QJF1034	170	260	42	2.1	292	410	1800	2400	8.82
QJF1036	180	280	46	2.1	320	480	1700	2200	10.9
QJF1038X1	190	289.5	46	2.1	310	480	1600	2200	11.4
QJF1038	190	290	46	2.1	315	485	1600	2200	11.4
QJF1040	200	310	51	2.1	390	620	1500	2000	14.7
QJF1052X1	260	399.5	65	4	507	910	980	1200	31.3
QJF1056	280	420	65	4	533	1010	960	1000	33.5
QJF1060	300	460	74	4	605	1224	900	1100	48.2
QJF1064X1	320	479.5	74	4	630	1330	850	1200	52.2
QJF1068	340	520	82	5	468	835	700	950	68.8

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