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Single row full complement cylindrical roller bearings

Single-row full complement cylindrical roller bearings are a special design that accommodates the maximum number of rollers because they have no cage.

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Due to the large number of rollers, this kind of bearing can withstand higher radial loads than ordinary single-row cylindrical roller bearings and is suitable for low-speed and heavy-load conditions.
Structural types of single-row full complement cylindrical roller bearings
According to the different rib positions, single row full complement cylindrical roller bearings can be divided into two types:
NCF type: The inner ring has two integral ribs, and the outer ring has one rib; the outer ring has a fixed ring on the opposite side of the integral rib to constrain the bearing as a whole. During operation, the retaining ring should not be subject to axial loads.
NJG type: The outer ring has two integral ribs; the inner ring has one rib and a self-retaining full roller needle. Therefore, the outer ring with the roller set can be separated from the inner ring needless taking special measures to prevent the rollers from falling off, simplifying the installation and disassembly of the bearing. This bearing is suitable for low-speed applications with extremely heavy loads.
The structural diagram is as follows:

rolling mill bearings, Roll neck bearings, Tapered roller bearings, Spherical roller bearings

NCF design bearings

NJG design bearings

Features of single-row full complement cylindrical roller bearings
No cage, large number of rollers,
Suitable for low-speed and heavy-duty occasions,
They are used for axial positioning in one direction and ultimately allow axial displacement of the shaft and housing in the other direction,
It mainly bears radial load and can also bear axial load in one direction (towards the single rib direction of the inner ring or outer ring)
Naming rules for single-row full complement cylindrical roller bearings

single-row full complement cylindrical roller bearings name

Application of single-row full complement cylindrical roller bearings
Compared with traditional bearings with cages, single-row full complement cylindrical roller bearings have an extremely high load-carrying capacity and small radial cross-section, which can save space, but the speed is relatively low. This bearing is mainly used in the metallurgical coupling drive shaft, the industrial reducer output end, and the axial variable piston pump.
Technical parameters of single-row full complement cylindrical roller bearings

Principal dimensions [mm]			Basic load ratings [kN]		Fatigue load limit [kN]	Speed ratings		Designation
			dynamic	static		Reference speed	Limiting speed
d	D	B	C	Co	Pu	[r/min]	[r/min]
20	42	16	28.1	28.5	3.1	8500	10000	NCF 3004 CV
25	47	16	31.9	35.5	3.8	7000	9000	NCF 3005 CV
25	62	24	68.2	68	8.5	4500	5600	NJG 2305 VH
30	55	19	39.6	44	5	6000	7500	NCF 3006 CV
30	72	27	84.2	86.5	11	4000	4800	NJG 2306 VH
35	62	20	48.4	56	6.55	5300	6700	NCF 3007 CV
40	68	21	57.2	69.5	8.15	4800	6000	NCF 3008 CV
40	90	33	145	156	20	3000	3600	NJG 2308 VH
45	75	23	60.5	78	9.15	4300	5300	NCF 3009 CV
45	100	25	110	112	14	7500	9000	NJG 309 VH
45	100	36	172	196	25.5	2800	3400	NJG 2309 VH
50	80	23	76.5	98	11.8	4000	5000	NCF 3010 CV
55	90	26	105	140	17.3	3400	4300	NCF 3011 CV
60	85	16	55	80	9.15	3600	4500	NCF 2912 CV
65	90	16	58.3	88	10.2	3200	4000	NCF 2913 CV
65	100	26	112	163	20	3000	3800	NCF 3013 CV
65	140	48	303	360	46.5	1900	2400	NJG 2313 VH
70	100	19	76.5	116	13.7	3000	3800	NCF 2914 CV
70	110	30	128	173	22	2800	3600	NCF 3014 CV
75	105	19	79.2	125	14.6	2800	3600	NCF 2915 CV
75	115	30	134	190	24.5	2600	3200	NCF 3015 CV
80	110	19	80.9	132	15.6	2600	3400	NCF 2916 CV
80	125	34	165	228	29	2400	3000	NCF 3016 CV
85	120	22	102	166	20	2600	3200	NCF 2917 CV
85	130	34	172	236	30	2400	3000	NCF 3017 CV
90	125	22	105	176	20.8	2400	3000	NCF 2918 CV
90	140	37	198	280	35.5	2200	2800	NCF 3018 CV
100	140	24	128	200	24.5	2000	2600	NCF 2920 CV
100	215	73	704	900	106	1200	1500	NJG 2320 VH
110	150	24	134	220	26	1900	2400	NCF 2922 CV
110	170	45	275	400	47.5	1800	2200	NCF 3022 CV
120	165	27	172	290	34	1800	2200	NCF 2924 CV
120	180	46	292	440	52	1700	2000	NCF 3024 CV
120	215	58	512	735	85	1400	1700	NCF 2224 V
130	180	30	205	360	40.5	1600	2000	NCF 2926 CV
130	200	52	413	620	72	1500	1900	NCF 3026 CV
140	190	30	220	390	43	1500	1900	NCF 2928 CV
140	210	53	440	680	78	1400	1800	NCF 3028 CV
150	210	36	292	490	55	1400	1700	NCF 2930 CV
150	225	56	457	710	80	1300	1700	NCF 3030 CV
160	220	36	303	530	58.5	1300	1600	NCF 2932 CV
160	240	60	512	800	90	1200	1500	NCF 3032 CV
170	230	36	314	560	60	1200	1500	NCF 2934 CV
170	260	67	671	1060	118	1100	1400	NCF 3034 CV
170	310	86	1100	1700	176	900	1100	NCF 2234 V
180	250	42	391	695	75	1100	1400	NCF 2936 CV
180	280	74	781	1250	134	1100	1300	NCF 3036 CV
190	260	42	440	780	81.5	1100	1400	NCF 2938 CV
190	290	75	792	1290	140	1000	1300	NCF 3038 CV
200	280	48	528	965	100	1000	1300	NCF 2940 CV
200	310	82	913	1530	160	950	1200	NCF 3040 CV
200	420	138	2290	3200	290	600	750	NJG 2340 VH
220	300	48	550	1060	106	900	1200	NCF 2944 CV
220	340	90	1080	1800	186	850	1100	NCF 3044 CV
240	320	48	583	1140	114	850	1100	NCF 2948 CV
240	360	92	1140	1960	200	800	1000	NCF 3048 CV
260	320	28	270	550	50	800	1000	NCF 1852 V
260	360	60	737	1430	143	750	950	NCF 2952 CV
260	400	104	1540	2550	250	700	900	NCF 3052 CV
280	350	33	341	695	64	750	950	NCF 1856 V
280	380	60	880	1730	166	700	900	NCF 2956 CV
300	420	72	1120	2200	208	630	800	NCF 2960 CV
320	400	38	440	900	80	630	800	NCF 1864 V
320	440	72	1140	2360	220	600	750	NCF 2964 V
320	480	121	1980	3450	310	560	700	NCF 3064 CV
340	420	38	446	950	83	600	750	NCF 1868 V
340	460	72	1190	2500	228	560	700	NCF 2968 V
340	520	133	2380	4150	355	530	670	NCF 3068 CV
360	440	38	402	900	76.5	560	700	NCF 1872 V
360	480	72	1230	2600	240	530	670	NCF 2972 CV
360	540	134	2420	4300	365	500	630	NCF 3072 CV
380	480	46	627	1290	114	530	670	NCF 1876 V
380	520	82	1570	3250	300	500	630	NCF 2976 V
380	560	135	2700	5100	425	480	600	NCF 3076 V
400	500	46	627	1340	118	500	630	NCF 1880 V
400	540	82	1650	3450	310	480	600	NCF 2980 CV
400	600	148	2970	5500	450	450	560	NCF 3080 CV
420	520	46	660	1430	122	480	600	NCF 1884 V
420	560	82	1650	3600	315	450	560	NCF 2984 V
420	620	150	3030	5700	455	430	530	NCF 3084 CV
440	540	46	671	1460	125	450	560	NCF 1888 V
440	540	60	1060	2700	232	450	560	NCF 2888 V
440	600	95	2010	4400	380	430	530	NCF 2988 V
460	580	72	1300	3050	260	430	530	NCF 2892 V/HB1
460	620	95	2050	4500	390	400	500	NCF 2992 V
460	680	163	3690	6950	540	380	480	NCF 3092 CV
480	600	56	935	2040	170	400	500	NCF 1896 V
480	650	100	2290	4900	405	380	480	NCF 2996 V
480	700	165	3740	7200	550	360	450	NCF 3096 CV
500	620	56	952	2120	173	380	480	NCF 18/500 V
500	620	72	1340	3350	275	380	480	NCF 28/500 V
500	670	100	2380	5300	430	360	450	NCF 29/500 V
500	720	167	3800	7500	570	360	450	NCF 30/500 CV
530	650	56	990	2240	180	360	450	NCF 18/530 V
530	650	72	1400	3450	285	360	450	NCF 28/530 V
530	710	106	2700	6000	465	340	430	NCF 29/530 V
560	680	56	1020	2360	186	340	430	NCF 18/560 V/HB1
560	680	72	1420	3650	300	340	430	NCF 28/560 V
560	750	112	3030	6700	490	320	400	NCF 29/560 V/HB1
600	730	60	1050	2550	196	320	400	NCF 18/600 V
600	730	78	1570	4300	340	320	400	NCF 28/600 V/HB1
600	800	118	3360	7500	550	300	380	NCF 29/600 V
630	780	69	1250	2900	232	300	360	NCF 18/630 V
630	780	88	1940	5000	390	300	360	NCF 28/630 V
630	850	128	3740	8650	610	280	340	NCF 29/630 V
670	820	69	1300	3150	245	280	340	NCF 18/670 V
670	820	88	1940	5300	415	280	340	NCF 28/670 V
670	900	136	3910	9000	630	260	320	NCF 29/670 V
710	870	74	1540	3750	285	260	320	NCF 18/710 V
710	870	95	2330	6300	480	260	320	NCF 28/710 V
710	950	140	4290	10000	695	240	300	NCF 29/710 V
750	920	78	1760	4300	315	240	300	NCF 18/750 V
750	920	100	2640	6950	520	240	300	NCF 28/750 V
750	1000	145	4460	10600	710	220	280	NCF 29/750 V
800	980	82	1940	4800	345	220	280	NCF 18/800 V
800	980	106	2750	7500	550	220	280	NCF 28/800 V
800	1060	150	4950	12000	800	200	260	NCF 29/800 V
850	1030	82	2050	5200	375	200	260	NCF 18/850 V
850	1120	155	5230	12700	830	190	240	NCF 29/850 V
900	1090	85	2240	5700	405	190	240	NCF 18/900 V/HB1
900	1090	112	3190	9150	655	190	240	NCF 28/900 V
900	1180	165	5940	14600	950	170	220	NCF 29/900 V
950	1150	90	2420	6300	425	170	220	NCF 18/950 V
950	1150	118	3410	9800	655	170	220	NCF 28/950 V
950	1250	175	6600	16300	1020	160	200	NCF 29/950 V
1000	1220	100	2920	7500	455	160	200	NCF 18/1000 V
1000	1220	128	4130	11600	720	160	200	NCF 28/1000 V
1000	1320	185	7480	18600	1160	150	180	NCF 29/1000 V
1120	1360	106	3740	9650	585	130	170	NCF 18/1120 V

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