Four-Row Cylindrical Roller Bearings

Name: Four-Row Cylindrical Roller Bearings
Rating: 5 (99 reviews)

Four-row cylindrical roller bearings are high-capacity precision bearings specifically designed to handle extremely heavy radial loads. Their four-row roller arrangement ensures uniform load distribution and higher stiffness, making them a crucial component for heavy machinery and high-load industrial applications.

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Specifications
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Principal dimensions				Basic load ratings dynamic	Static	Mass	Bearing No.
Principal dimensions				Basic load ratings dynamic	Static	Mass
d[mm]	D[mm]	B[mm]	C[mm]	C[kN]	C0[kN]	kg
127	174.65	150.812	150.812	702	1188	10.6	BC4-0093
145	210	155	155	882	1404	18	BC4-0101
145	225	156	156	990	1467	23.7	BC4-0105
150	230	156	156	1008	1494	24.1	BC4-0096
160	230	168	168	1008	1980	23.5	315189 A
160	230	168	168	1161	1980	23.8	BC4-0103
160	230	130	130	868.5	1206	17.3	BC4-0108
165.1	225.45	168.3	168.3	990	2016	19.8	315642/VJ202
165.1	225.45	168.3	168.3	1125	2016	20	BC4-0111
170	230	160	160	1233	2124	18.3	BC4-0118
170	240	130	130	1026	1647	19	BC4-0119
180	260	168	168	1404	2250	30.1	BC4-0114
190	260	168	168	1287	2340	26.7	BC4-0098
190	270	200	200	1620	2835	37.2	BC4-0109
190	280	200	200	1872	2925	41.5	BC4-0116
200	270	200	200	1530	2880	33	BC4-0051
200	280	200	200	1674	3015	39.6	BC4-0092
200	280	170	170	1530	2700	33.4	BC4-0095
200	290	192	192	1737	2880	43	BC4-0106
200	270	170	170	1287	2430	28.5	BC4-0113
220	310	225	225	2052	3645	53.8	BC4-0097
220	310	192	192	1710	3195	49	BC4-0117
230	330	206	206	2088	3600	58.6	BC4-0112
240	330	220	220	1944	3870	58.2	BC4-0099
260	370	220	220	2430	4185	77.9	BC4-0110
280	390	275	275	3375	6255	102	BC4-0100
280	390	220	220	2520	4500	87.2	BC4-0107
280	420	250	250	3321	5895	133	NNUD 6056 ECMAS/P53
300	420	300	300	3960	7470	130	BC4-0094
300	420	300	300	3960	7470	134	BC4-0124
340	450	250	250	2295	5400	115	BC4-8050
340	500	370	370	4707	10620	260	BC4B 322261/HB1
350	500	410	410	5247	12330	285	BC4B 322777/HB1
350	520	300	300	4212	8100	220	BC4B 326909 A/HA3
350	520	300	300	4212	8100	220	BC4B 326909/HA3
355.6	482.6	269.87	269.87	2673	5760	150	BC4-8022/HA1
356.67	550	400	400	4752	13500	335	BC4B 457939 VAA
360	500	250	250	3519	6615	145	BC2B 320075/VJ202
360	500	250	250	3960	7650	160	BC2B 322217/VJ202
380	540	400	380	5445	12600	300	BC4B 320989/HA3
380	560	325	325	4707	9540	270	BC4B 322264/HB1
400	590	440	440	7128	14940	415	315802/VJ202
400	560	300	300	4212	9180	245	BC4-8059
420	600	440	440	6489	15840	400	313513
420	580	320	320	4212	9720	250	313555 B/VJ202
431.5	571.5	310	310	4014	9180	200	BC4-8037/HA1VA907
431.5	571.5	300	300	4014	9180	210	BC4B 326361 B/HA1
440	660	340	340	6489	12330	436	635043
450	590	300	300	3519	10800	245	315811 E
460	650	424	424	7425	16470	454	315196 A
460	650	460	424	7029	16470	490	BC4B 322993 A/HA7
475	600	392	392	4950	13140	240	BC4-8003/HA1VA907
475	600	368	368	4950	13140	235	BC4B 326261/HA1
480	680	420	420	8217	17370	496	319320
487.98	637	350	350	5796	13770	300	BC2B 326196/HA1VJ202
500	670	450	450	7425	19800	460	316083 A
500	650	260	260	3960	9180	225	319254/VJ202
500	680	450	450	7425	19800	500	BC4B 316515
500	670	480	450	7425	19800	485	BC4B 322039/HA1
500	720	400	400	7722	15840	544	BC4B 322066
500	738	500	500	9720	20880	735	BC4B 326853/HB1
510	760	550	550	10890	23850	950	BC4-8007/HB1
510	730	520	520	9180	19800	750	BC4-8009/HB1
510	680	500	500	8712	23400	522	BC4B 319411
529.91	870	670	670	15120	30150	1660	312844/VJ202
536.176	762.03	558.8	558.8	10260	26100	840	313535 D
550	740	510	510	9900	24300	630	316691
556	800	580	580	9450	22950	900	BC4-8046/HB1
559.84	920	710	710	18090	40950	2000	313189 A
560	820	600	600	12780	30600	1080	BC4B 322930/HA4
600	820	575	575	12600	32400	962	315175 C
600	870	578	540	11880	28350	1150	BC4B 322497/HA4
606.667	920	640	640	14850	40500	1525	315526
620	820	475	475	9090	23850	700	BC4-8041/HA4
633.334	960	680	680	15120	40500	1730	BC4B 457969
660	820	440	440	7281	20520	514	239509 FA
750	1090	750	750	19440	45900	2420	BC4-8066/HA3
759	1210	740	740	22950	76500	3480	313685 B
760	1080	790	790	21420	58950	2440	312979 D
780	1070	780	780	21780	54900	2182	BC4-8015/HB1
820	1100	745	720	19080	51300	2000	BC4B 316341/HA4
850	1150	840	840	24750	67500	2570	315826 B
850	1180	850	850	25290	66150	2900	BC4-8021/HB1
900	1280	780	780	25740	57600	3320	BC4-8067/HA3
937.5	1270.25	825.5	825.5	25290	74700	3160	315265
1040	1440	1000	1000	34200	83700	5100	BC4-8062/HA1
1300	1655	890	880	36180	109800	4800	BC4-8016/HA4
1350	1765	1360	1360	36180	109800	9100	BC4-8029/HA4
1400	1900	1360	1360	55440	164700	11300	BC4-8005/HA4
1400	1780	1200	1200	47070	146700	7510	BC4-8042/HA4

Engineering the Future of Motion

About UKL

Founded in 2020, UKL Bearing Manufacturing Co., Ltd. (Wuxi) is China Four-Row Cylindrical Roller Bearings suppliers and OEM/ODM Four-Row Cylindrical Roller Bearings 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.

More About Us Ukl Bearing Manufacturing Co.,Ltd

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