Four-Point Contact Angular Contact Ball Bearing

Four-point contact ball bearings are single row angular contact ball bearings that consist of a solid outer ring, a split inner ring, and a ball-and-cage assembly. The split inner ring allows for a large number of balls, providing these bearings with a high load-carrying capacity. Four-point contact bearings can be subjected to axial loads in two directions and can also accommodate limited radial forces. They require less axial space than double row bearings. The inner ring halves and the outer ring with the ball and cage assembly can be mounted separately.

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Description
Specifications
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Performance advantages:
·Supports radial and axial loads in both directions
·Can be used in gearboxes alongside bevel gears
·More compact than similar designs such as double-row angular contact ball bearings
·Inner and outer rings can be installed separately
·Custom designs available

Designation	Bore diameter	Outside diameter	Width	Basic dynamic load rating	Limiting speed
Designation	[mm]	[mm]	[mm]	[kN]	[r/min]
PER.BB203RRR2	16.256	40	18.288	14.4
PER.BB205RRP2-A	16.03	52	17.983	21.3
QJ 1064 N2MA/C4	320	480	74	715	2000
QJ 212	60	110	22	95.6	10000
QJ 213 MA/C2L	65	120	23	104	9500
QJ 216 MA/C2L	80	140	26	146	8000
QJ 222 N2MA/C4B20	110	200	38	280	5600
QJ 226 N2MA	130	230	40	310	4800
QJ 230 N2MA/C3	150	270	45	400	4000
QJ 232 N2MA/C3	160	290	48	450	3800
QJ 234 N2MA	170	310	52	455	3400
QJ 308 MA	40	90	23	78	14000
QJ 308 N2MA	40	90	23	78	14000
QJ 309 MA/C2L	45	100	25	100	12000
QJ 309 MA/C3	45	100	25	100	12000
QJ 309 N2MA/C2L	45	100	25	100	12000
QJ 309 PHAS	45	100	25	100	12000
QJ 310 MA	50	110	27	118	11000
QJ 316 N2MA/C2L	80	170	39	232	7000
QJ 317 N2MA	85	180	41	250	6700
QJ 319 N2MA	95	200	45	305	6000
QJ 320 N2MA	100	215	47	345	5600
QJ 320 N2MA/C2L	100	215	47	345	5600
QJ 322 N2MA/C2L	110	240	50	390	4800
QJ 322 N2MA/C3	110	240	50	390	4800
QJ 326 N2MA	130	280	58	455	4000
QJ 330 N2MA/HA3L4BC3	150	320	65	530	3600
305943	40	80	18	52.7	15000
PER.BB204RRP3-A		45.225
PER.BB204RRY3-D	16.053	45.225	18.669	19.6
PER.BB205RPP13	16.129	53.086	19.43	26.2
PER.BB205RRP2	19.202	52	21.107	13.1
QJ 1017 N2MA/C4B20	85	130	22	99.5	8000
QJ 1080 N2MA	400	600	90	904	1500
QJ 1252 MA/C3	260	480	90	741	2200
QJ 203 N2MA	17	40	12	17	30000
QJ 205 N2MA/C2L	25	52	15	27	22000
QJ 206 MA	30	62	16	37.5	19000
QJ 210 MA/C2L	50	90	20	65.5	13000
QJ 211 MA/C3	55	100	21	85	11000
QJ 211 N2MA/C4H	55	100	21	85	11000
QJ 214 N2MA/C3	70	125	24	120	9000
QJ 214 N2MA/C4B20	70	125	24	120	9000
QJ 215 MA	75	130	25	125	8500
QJ 216 MA	80	140	26	146	8000
QJ 216 N2MA/C4B20	80	140	26	146	8000
QJ 217 MA	85	150	28	156	7500
QJ 218 N2MA/C3	90	160	30	186	7000
QJ 305 MA/C2L	25	62	17	42.5	20000
QJ 306 MA	30	72	19	53	17000
QJ 307 LA/P63	35	80	21	59.2	15000
QJ 311 N2MA/C3	55	120	29	137	10000
QJ 312 PHAS	60	130	31	156	9000
QJ 315 N2MA/C2L	75	160	37	216	7500
QJ 318 N2MA	90	190	43	285	6300
QJ 322 N2MA	110	240	50	390	4800
QJ 324 N2MA	120	260	55	415	4500
QJ 324 N2MA/C3	120	260	55	415	4500
QJ 328 N2MA	140	300	62	500	3800
QJ 328 N2MA/C3	140	300	62	500	3800
QJ 336 N2MA	180	380	75	680	3000
QJ 344 N2/309829	220	460	88	904	2400
305943	40	80	18	52.7	15000
PER.BB204RRP3-A		45.225
PER.BB204RRY3-D	16.053	45.225	18.669	19.6
PER.BB205RPP13	16.129	53.086	19.43	26.2
PER.BB205RRP2	19.202	52	21.107	13.1
QJ 1017 N2MA/C4B20	85	130	22	99.5	8000
QJ 1080 N2MA	400	600	90	904	1500
QJ 1252 MA/C3	260	480	90	741	2200
QJ 203 N2MA	17	40	12	17	30000
QJ 205 N2MA/C2L	25	52	15	27	22000
QJ 220 N2MA/C3	100	180	34	236	6300
QJ 222 N2MA	110	200	38	280	5600
QJ 236 N2MA	180	320	52	475	3400
QJ 236 N2MA/C3	180	320	52	475	3400
QJ 303 LA/P63	17	47	14	23.4	28000
QJ 304 N2MA/C2L	20	52	15	32	24000
QJ 305 MA/C2L	25	62	17	42.5	20000
QJ 306 MA	30	72	19	53	17000
QJ 307 LA/P63	35	80	21	59.2	15000
QJ 311 N2MA/C3	55	120	29	137	10000
QJ 312 PHAS	60	130	31	156	9000
QJ 315 N2MA/C2L	75	160	37	216	7500
QJ 318 N2MA	90	190	43	285	6300
QJ 322 N2MA	110	240	50	390	4800
QJ 324 N2MA	120	260	55	415	4500
QJ 324 N2MA/C3	120	260	55	415	4500
QJ 328 N2MA	140	300	62	500	3800
QJ 328 N2MA/C3	140	300	62	500	3800
QJ 336 N2MA	180	380	75	680	3000
QJ 344 N2/309829	220	460	88	904	2400
305943	40	80	18	52.7	15000
PER.BB204RRP3-A		45.225
PER.BB204RRY3-D	16.053	45.225	18.669	19.6
PER.BB205RPP13	16.129	53.086	19.43	26.2
PER.BB205RRP2	19.202	52	21.107	13.1
QJ 1017 N2MA/C4B20	85	130	22	99.5	8000
QJ 1080 N2MA	400	600	90	904	1500
QJ 1252 MA/C3	260	480	90	741	2200
QJ 203 N2MA	17	40	12	17	30000
QJ 205 N2MA/C2L	25	52	15	27	22000
QJ 206 MA	30	62	16	37.5	19000
QJ 210 MA/C2L	50	90	20	65.5	13000
QJ 211 MA/C3	55	100	21	85	11000
QJ 211 N2MA/C4H	55	100	21	85	11000
QJ 214 N2MA/C3	70	125	24	120	9000
QJ 214 N2MA/C4B20	70	125	24	120	9000
QJ 215 MA	75	130	25	125	8500
QJ 216 MA	80	140	26	146	8000
QJ 216 N2MA/C4B20	80	140	26	146	8000
QJ 217 MA	85	150	28	156	7500
QJ 218 N2MA/C3	90	160	30	186	7000
QJ 219 N2MA	95	170	32	212	6700
QJ 220 N2MA	100	180	34	236	6300
QJ 226 N2MA/C3	130	230	40	310	4800
QJ 228 N2MA	140	250	42	345	4300
QJ 230 N2MA/C4B20	150	270	45	400	4000
QJ 240 N2MA	200	360	58	540	3000
QJ 240 N2MA/C3	200	360	58	540	3000
QJ 311 N2MA/C3	55	120	29	137	10000
QJ 312 PHAS	60	130	31	156	9000
QJ 315 N2MA/C2L	75	160	37	216	7500
QJ 318 N2MA	90	190	43	285	6300
QJ 322 N2MA	110	240	50	390	4800
QJ 324 N2MA	120	260	55	415	4500
QJ 324 N2MA/C3	120	260	55	415	4500
QJ 328 N2MA	140	300	62	500	3800
QJ 328 N2MA/C3	140	300	62	500	3800
QJ 336 N2MA	180	380	75	680	3000
QJ 344 N2/309829	220	460	88	904	2400
PER.BB204RRP3	16.053	45.225	18.669	19.6
PER.WBB205RPP60-A	16.129	53.086	19.43	21.3
PER.WBB205RPP62	14.5	53.086	29.15	21.3
QJ 1244 N2MA	220	400	78	592	2600
QJ 1248 MA/344524	240	440	85	663	2400
QJ 1256 N2MA	280	500	90	728	2000
QJ 1260 N2MA	300	540	98	832	1900
QJ 203 N2MA/C2L	17	40	12	17	30000
QJ 206 N2MA/C2L	30	62	16	37.5	19000
QJ 207 MA/C2LS1	35	72	17	46.2	17000
QJ 207 N2MA/C2L	35	72	17	49	17000
QJ 208 MA	40	80	18	56	15000
QJ 208 MA/C2L	40	80	18	56	15000
QJ 210 MA/C3	50	90	20	65.5	13000
QJ 211 MA	55	100	21	85	11000
QJ 212 MA	60	110	22	96.5	10000
QJ 212 MA/C2L	60	110	22	96.5	10000
QJ 212 MA/C3	60	110	22	96.5	10000
QJ 212 N2MA/C4B20	60	110	22	96.5	10000
QJ 213 MA/C3	65	120	23	110	9500
QJ 213 N2MA/C4	65	120	23	110	9500
QJ 214 MA/C3	70	125	24	120	9000
QJ 215 MA/C2L	75	130	25	125	8500
QJ 216 N2MA	80	140	26	146	8000
QJ 218 N2MA	90	160	30	186	7000
QJ 218 N2MA/C4B20	90	160	30	186	7000
QJ 219 N2MA/C4B20	95	170	32	212	6700
QJ 222 N2MA/C3	110	200	38	280	5600
QJ 224 N2MA/C4B20	120	215	40	300	5000
QJ 226 N2MA/C4B20	130	230	40	310	4800
QJ 228 N2MA/C3	140	250	42	345	4300
QJ 228 N2MA/C4B20	140	250	42	345	4300
QJ 232 N2MA	160	290	48	450	3800
QJ 238 N2MA	190	340	55	510	3200
QJ 306 LA/P63	30	72	19	49.4	17000
QJ 307 MA	35	80	21	64	15000
QJ 308 MA/C3	40	90	23	78	14000
QJ 308 N2MA/C2L	40	90	23	78	14000
QJ 310 MA/C2L	50	110	27	118	11000
QJ 312 MA	60	130	31	156	9000
QJ 313 MA	65	140	33	176	8500
QJ 314 MA	70	150	35	200	8000
QJ 314 N2MA/C3	70	150	35	200	8000
QJ 315 N2MA	75	160	37	216	7500
QJ 316 N2MA	80	170	39	232	7000
QJ 318 N2MA/C4B20	90	190	43	285	6300
QJ 319 N2PHAS	95	200	45	305	6000
QJ 330 N2MA/C3	150	320	65	530	3600
QJ 332 N2MA/L4BC3	160	340	68	570	3400
QJ 334 N2MA	170	360	72	655	3200
QJ 336 N2MA/C3	180	380	75	680	3000

Engineering the Future of Motion

About UKL

Founded in 2020, UKL Bearing Manufacturing Co., Ltd. (Wuxi) is China Four-Point Contact Angular Contact Ball Bearing suppliers and OEM/ODM Four-Point Contact Angular Contact Ball Bearing company, an integrated industrial and trading enterprise that focuses on precision manufacturing, combining R&D, production, and sales.
The company specializes in high-performance bearing solutions, providing technical support for global industries with exceptionally high demands for precision and reliability.

With more than 200 skilled professionals and a fully modernized production base, UKL’s facilities cover the entire manufacturing process — forging, annealing, turning, heat treatment, grinding, and automated assembly.
Leveraging over 15 years of OEM/ODM export experience, UKL responds quickly to customer needs, offering flexible and customized services for clients across Europe, Asia, Africa, and the Middle East.

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