Four-Point Angular Contact Ball Bearings

Name: Four-Point Angular Contact Ball Bearings
Brand: WKB (Wafangdian) Bearing Technology Co., Ltd.
Price: 150-800 USD
Rating: 4.8 (50 reviews)

Four-Point Angular Contact Ball Bearings are designed with four contact points between balls and raceways, providing optimal load distribution. This unique configuration enables them to handle both radial and axial loads in a single bearing. Ideal for applications requiring compactness and high load capacity, such as rotary tables and excavators.

Features of Four-Point Angular Contact Ball Bearings

Quad-Point Contact: Four-Point Angular Contact Ball Bearings feature four contact points between balls and raceways, ensuring efficient load distribution for both radial and axial loads.
Single Bearing Solution: These bearings handle combined loads, eliminating the need for separate bearings, thus enhancing compactness and reducing design complexity.
Versatility: Ideal for applications like rotary tables and excavators, these bearings excel in industries requiring high load capacity and maneuverability.
Reduced Friction: The unique design minimizes friction and wear, contributing to extended service life and improved efficiency.
Precise Alignment: Four-Point Angular Contact Ball Bearings maintain accurate alignment, crucial for smooth operation and maintaining consistent performance under various loads.

Products

Specs of Four-Point Angular Contact Ball Bearings

Four-Point Angular Contact Ball Bearings

70 mm-220 mm Four-Point Angular Contact Ball Bearings Specs

Basic Size				Basic load rating dynamic, static		Code	Limiting Speed	Installation			Mass
Basic Size				Basic load rating dynamic, static		Code	Limiting Speed	Installation			Mass
d	D	B	r_1.2min	C	C。			d_amin	D_amax	R_amax
mm				KN		-	r/min	mm			kg
70	150	35	2.1	200	180	QJ314N2MA	8000	82	138	2	3.15
80	170	39	2.1	232	228	QJ316N2MA	7000	92	158	2	4.6
90	190	43	3	285	305	QJ318N2MA	6300	104	176	2.5	6.41
90	190	43	3	285	305	QJ318N2PHAS	6300	104	176	2.5	6.41
100	150	24	1.5	106	134	QJ1020MA	6300	109	141	1.5	1.63
	180	34	2.1	236	265	QJ220N2MA	6300	112	168	2	4.05
	215	47	3	345	400	QJ320N2MA	5600	114	201	2	9.3
110	200	38	2.1	280	325	QJ222N2MA	5600	122	188	2	5.6
110	240	50	3	390	480	QJ322N2MA	4800	124	226	2.5	12.5
120	180	28	2	148	196	QJ1024N2MA	3600	130	170	2	2.65
	215	40	2.1	286	340	QJ224N2MA	3200	132	203	2	6.9
	260	55	3	415	530	QJ324N2MA	4500	134	246	2.5	16
130	200	33	2	182	240	QJ1026N2MA	3200	140	190	2	4
	230	40	3	310	400	QJ226N2MA	4800	144	216	2.5	7.75
	280	58	4	455	610	QJ326N2MA	4000	147	263	3	19.5
140	209.5	33	2	190	265	QJF1028X1	3000	150	200	2	4.2
	210	33	2	190	265	QJ1028	3000	150	200	2	4.2
	210	33	2	190	265	QJF1028	3000	150	200	2	4.2
	250	42	3	345	475	QJ228N2MA	4300	154	236	2.5	9.85
	300	62	4	500	695	QJ328N2MA	3800	158	282	3	22.7
150	224.5	35	2.1	216	305	QJ1030X1	2800	162	213	2	5.25
	224.5	35	2.1	216	305	QJF1030X1	2800	162	213	2	5.25
	225	35	2.1	216	305	QJ1030	2800	162	213	2	5.25
	225	35	2.1	216	305	QJF1030	2800	162	213	2	5.25
	270	45	3	400	570	QJ230N2MA	4000	164	256	2.5	12.5
	270	45	3	400	570	QJF230N2MA	4000	164	256	2.5	12.5
	320	65	4	530	765	QJ330N2MA	3600	167	303	3	29
	320	65	4	530	765	QJF330N2MA	3600	167	303	3	29
160	239.5	38	2.1	247	355	QJF1032X1	2600	172	228	2	6.3
	240	38	2.1	247	355	QJ1032N2MA	2600	172	228	2	6.3
	340	68	4	570	880	QJ332N2MA	3400	177	323	3	34.5
	290	48	3	450	670	QJ232N2MA	3800	174	276	2.5	15.5
	290	48	3	450	670	QJF232N2MA	3800	174	276	2.5	15.5
170	259.5	42	2.1	286	405	QJF1034X1	2400	182	248	2	8.5
	260	42	2.1	286	405	QJ1034	2400	182	248	2	8.5
	260	42	2.1	286	405	QJF1034	2400	182	248	2	8.5
	265	42	2.1	286	405	QJF1034X1-1	2400	182	248	2	9
170 (cont.)	279.5	46	2.1	286	405	QJF1034X3	2400	182	248	2	12.7
	310	52	4	455	720	QJ234N2MA	3400	187	293	3	19.5
	310	52	4	455	720	QJF234	3400	187	293	3	19.5
	360	72	4	655	1040	QJ334N2MA	3200	187	343	3	41.7
180	259.5	52	3.5	206	310	QJ3936X1	1600	200	240	3	9.5
	259.5	52	3.5	206	310	QJF3936X1	1600	200	240	3	9.5
	259.5	42	3	206	310	QJ2936X1	1600	200	240	2.5	7.7
	360	72	4	655	1040	QJ336N2MA	3200	187	343	3	41.5
	280	46	2.1	338	510	QJ1036N2MA	2200	192	268	2	11
	280	46	2.1	338	510	QJF1036	2200	192	268	2	11
	320	52	4	475	765	QJ236N2MA	3400	197	303	3	20.5
	320	52	4	475	765	QJF236	3400	197	303	3	20.5，
190	269.5	55	3	216	340	QJ3938X3	1500	210	250	2.5	10.5
	400	78	5	702	1160	QJ338N2MA	2800	210	380	4	49
	289.5	46	2.1	338	510	QJF1038X1	2200	202	278	2	11.5
	290	46	2.1	338	510	QJ1038	2200	202	278	2	11.5
	290	46	2.1	338	510	QJF1038	2200	202	278	2	11.5
	340	55	4	510	850	QJ238N2MA	3200	207	323	3	23.5.
200	280	51	2.1	216	340	QJ2940X2	1400	220	260	2	10.2
	280	51	2.1	216	340	QJF2940X2	1400	220	260	2	10.2
	289.5	58	2.1	235	384	QJ3940X3	1400	223	267	2	13.2
	289.5	58	2.1	235	384	QJF3940X3	1400	223	267	2	13.2
	309.5	42	2.1	390	620	QJ1040X1	3200	212	298	2	15.4
	310	51	2.1	390	620	QJ1040	3200	212	298	2	14.9.
	310	51	2.1	390	620	QJ1040N2MA	3200	212	298	2	14.9
	360	58	4	540	915	QJ240N2MA	3000	217	363	3	28.5
	360	58	4	540	915	QJ240MA	3000	217	363	3	28.5
220	300	60	3	221	364	QJ3944	1250	240	280	2.5	13
	309.5	60	3	246	412	QJ3944X1	1200	243	287	2.5	14.8
	309.5	60	3	246	412	QJF3944X1	1200	243	287	2.5	14.8

220(cont.) mm-460 mm Four-Point Angular Contact Ball Bearings Specs

Basic Size				Basic load rating dynamic, static		Code	Limiting Speed	Installation			Mass
Basic Size				Basic load rating dynamic, static		Code	Limiting Speed	Installation			Mass
d	D	B	r_1.2min	C	C。			d_amin	D_amax	R_amax
mm				KN		-	r/min	mm			kg
220(cont.)	340	56	3	442	750	Q1044N2MA	2400	234	326	2.5	19.6
220(cont.)	340	56	3	442	750	QJF1044	2400	234	326	2.5	19.6
240	329.5	60	3	256	444	QJ3948X1	2400	263	307	2.5	16
	329.5	60	3	256	444	QJF3948X1	2400	263	307	2.5	16
	339.5	60	4	271	477	QJF3948X1-1	2400	265	315	2.5	17.6
	360	56	3	449	780	QJ1048N2MA	2400	254	346	2.5	21
	440	72	4	650	1200	QJ248N2MA	2400	258	422	3	27.5
	440	85	4	663	1220	QJ1248MA	2400	258	422	3	61
260	360	46	2.1	390	710	QJ1952N2MA	2200	271	349	2	15
	480	80	5	728	1430	QJ252N2MA	2200	282	458	4	68
	480	90	5	741	1460	QJ1252MA	2200	282	458	4	78
	374.5	60	4	313	585	QJF2952X1-1	2200	289	346	3	23
	400	65	4	540	1000	QJ1052N2MA	1500	278	382	3	31.3
	400	65	4	540	1000	QJF1052	1500	278	382	3	31.3
280	500	90	5	728	1460	QJ1256N2MA	2000	302	478	4	82
	389.5	65	4	325	628	QJF21956X3-1	1400	252	362	3	25
	420	65	4	585	1140	QJ1056N2MA	2400	298	402	3	33.2
300	540	98	5	832	1760	QJ1260N2MA	1900	322	518	4	105
	460	74	4	702	1430	QJ106OMA	2200	318	442	3	47
	460	74	4	702	1430	QJ1062N2MA	2200	318	442	3	47
320	580	105	5	956	2080	QJ1264N2MA	1700	342	558	4	130
320	480	74	4	715	1530	QJ1064N2MA	2000	338	462	3	49.5
335	450	56	3	572	1220	309941A	1200	349	436	2.5	27
340	520	82	5	780	1700	QJ1068N2MA	1800	362	498	4	67.5
340	620	118	6	1060	2450	QJ1268MA	1600	368	592	5	165
360	540	82	5	852	1930	QJ1072N2MA	1700	382	518	4	70.5
360	650	122	6	1110	2600	QJ1272N2MA	1500	388	622	5	190
400	600	90	5	904	2160	QJ108ON2MA	1500	422	578	4	95.5
460	680	100	6	1040	2650	QJ1092N2MA	1300	488	652	5	130
460	830	165	7.5	1530	4250	QJ1292N2MA	1100	496	794	6	415