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Four-point contact ball bearings

Four point contact ball bearings are radial single row angular contact ball bearings with raceways designed to support axial loads in both directions. For a given axial load, a limited radial load (load ratio) can also be supported. The bearing is separable, i.e. the outer ring with ball and cage assembly can be installed separately from the two inner ring halves.

Basic dimensions			Basic load rating		Speed ratings		Mass	Model
			dynamic	static	Reference speed	Limiting speed		Bearing No.
d [mm]	D [mm]	B [mm]	C [kN]	C0 [kN]	[r/min]	[r/min]	[kg]
85	150	28	140.4	155.7		6750	2.25	QJ 217 N2MA Bearing
85	180	41	225	229.5		6030	5.45	QJ 317 N2MA Bearing
90	160	30	167.4	180		6300	2.75	QJ 218 N2MA Bearing
90	190	43	256.5	274.5		5670	6.45	QJ 318 N2MA Bearing
90	190	43	256.5	274.5		5670	6.45	QJ 318 N2PHAS Bearing
95	170	32	190.8	208.8		6030	3.35	QJ 219 N2MA Bearing
95	170	32	190.8	208.8		6030	3.35	QJ 219 N2PHAS Bearing
95	200	45	274.5	306		5400	7.45	QJ 319 N2MA Bearing
95	200	45	274.5	306		5400	7.45	QJ 319 N2PHAS Bearing
100	180	34	212.4	238.5		5670	4.05	QJ 220 N2MA Bearing
100	215	47	310.5	360		5040	9.3	QJ 320 N2MA Bearing
105	160	26	121.5	153		6030	2	QJ 1021 N2MA/C4 Bearing
110	170	28	137.7	173.7		5670	2.5	QJ 1022 N2MA/C4 Bearing
110	200	38	252	292.5		5040	5.6	QJ 222 N2MA Bearing
110	240	50	351	432		4320	12.5	QJ 322 N2MA Bearing
120	215	40	270	328.5		4500	6.95	QJ 224 N2MA Bearing
120	260	55	373.5	477		4050	16	QJ 324 N2MA Bearing
130	230	40	279	360		4320	7.75	QJ 226 N2MA Bearing
130	280	58	409.5	549		3600	19.5	QJ 326 N2MA Bearing
140	250	42	310.5	427.5		3870	9.85	QJ 228 N2MA Bearing
140	300	62	450	625.5		3420	24	QJ 328 N2MA Bearing
150	225	35	217.8	301.5		4050	5.25	QJ 1030 N2MA Bearing
150	270	45	360	513		3600	12.5	QJ 230 N2MA Bearing
150	320	65	477	688.5		3240	29	QJ 330 N2MA Bearing
160	240	38	243	342		3870	6.45	QJ 1032 N2MA Bearing
160	290	48	405	603		3420	15.5	QJ 232 N2MA Bearing
160	340	68	513	792		3060	34.5	QJ 332 N2MA Bearing
170	310	52	409.5	648		3060	19.5	QJ 234 N2MA Bearing
170	360	72	589.5	936		2880	41.5	QJ 334 N2MA Bearing
180	320	52	427.5	688.5		3060	20.5	QJ 236 N2MA Bearing