Double-row full complement cylindrical roller bearings

Double-row full complement cylindrical roller bearings

Because the ring raceways are full of rollers and having no cage, the full complement cylindrical roller bearings have higher bearing capacity. At the same time, because this type of bearing has no cage to guide and separate the roller, there will be relative slippage between the rollers. So, compared with the ordinary cylindrical roller bearings, their using speed is lower and noise is lager. The main structures are: single row (NCF type) and double row (NNCF) bearings.

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Specifications


Dimensions					Basic load ratings		Designation	Mass	Limiting speeds
mm					kN			kg	r/min
d	D	B	r1、2min	Ew	Cr	Cor		kg	Grease	Oil
150	210	60	2	192	390	865	NNCF4930V	6.6	670	1400
	225	100	2.1	209	785	1420	NNCF5030V	13	630	1300
160	220	60	2	203.9	410	930	NNCF4932V	7.0	630	1300
	240	109	2.1	225	895	1620	NNCF5032V	15.8	600	1200
170	230	60	2	212.2	415	975	NNCF4934V	7.3	600	1200
	260	122	2.1	243	1160	2140	NNCF5034V	22.1	560	1100
180	250	69	2	231.1	550	1230	NNCF4936V	10.7	560	1100
	280	136	2.1	260.5	1340	2510	NNCF5036V	29.4	560	1100
190	260	69	2	241.3	565	1290	NNCF4938V	11.1	560	1100
	290	136	2.1	270	1380	2630	NNCF5038V	30.8	530	1100
200	250	50	1.5	235.9	320	825	NNCF4840V	5.9	560	1100
	280	80	2.1	260	665	1500	NNCF4940V	15.7	530	1000
	310	150	2.1	288	1560	3000	NNCF5040V	39.7	500	950
220	270	50	1.5	256.9	340	905	NNCF4844V	6.4	530	1000
	300	80	2.1	277.2	695	1620	NNCF4944V	17	500	950
	340	160	3	308.5	1570	3080	NNCF5044V	50.7	450	850
240	300	60	2	282.4	495	1340	NNCF4848V	10.3	480	900
	320	80	2.1	300.1	725	1770	NNCF4948V	18.4	450	850
	360	160	3	335.6	1990	4000	NNCF5048V	54.3	430	800
260	320	60	2	304.7	515	1450	NNCF4852V	11	430	800
	360	100	2.1	331.5	1050	2530	NNCF4952V	32	400	750
	400	190	4	373.5	2690	5200	NNCF5052V	82.7	380	700
280	350	69	2	332.9	685	1860	NNCF4856V	16	400	750
	380	100	2.1	353.5	1090	2720	NNCF4956V	34	380	700
	420	190	4	389	2770	5450	NNCF5056V	87.7	360	670


Dimensions					Basic load ratings		Designation	Mass	Limiting speeds
mm					kN			kg	r/min
d	D	B	r1、2min	Ew	Cr	Cor		kg	Grease	Oil
Cr	Cor			Grease	Oil
300	380	80	2.1	357.4	805	2160	NNCF4860V	23	380	700
	420	118	3	390.2	1580	3800	NNCF4960V	52	340	630
	460	218	4	432	3400	7000	NNCF5060V	125	320	600
320	400	80	2.1	380.3	835	2310	NNCF4864V	24.3	340	630
	440	118	3	409	1620	4000	NNCF4964V	55	320	600
	480	218	4	447.5	3500	7350	NNCF5064V	131	300	600
340	420	80	2.1	397.4	855	2430	NNCF4868V	25.6	320	600
	460	118	3	427.1	1690	4300	NNCF4968V	58	300	560
	520	243	5	486	4250	8750	NNCF5068V	177	280	530
360	440	80	2.1	420.2	85	2580	NNCF4872V	27	300	560
	480	118	3	446	1730	4500	NNCF4972V	61	300	560
	540	243	5	503.6	4190	8850	NNCF5072V	186	260	500
380	480	100	2.1	456	1260	3600	NNCF4876V	45.5	280	530
	520	140	4	481.5	2180	5650	NNCF4976V	90.5	260	500
	560	243	5	521.4	4280	9210	NNCF5076V	194	240	480
400	500	100	2.1	470.3	1290	3750	NNCF4880V	47.5	260	500
	540	140	4	502	2240	5900	NNCF4980V	94.5	240	480
	600	272	5	560	5050	10900	NNCF5080V	256	220	450
420	520	100	2.1	492.6	1320	3950	NNCF4884V	49.5	240	480
	560	140	4	522.5	2290	6200	NNCF4984V	98.5	220	450
	620	272	5	577.7	5150	11300	NNCF5084V	267	200	430
440	540	100	2.1	514.6	1350	4150	NNCF4888V	51.5	220	450
	600	160	4	563.5	3000	7850	NNCF4988V	136	200	430
460	580	118	3	543.3	1730	5150	NNCF4892V	77.5	200	430
	620	160	4	577	3050	8050	NNCF4992V	142	190	400


Dimensions					Basic load ratings		Designation	Mass	Limiting speeds
mm					kN			kg	r/min
d	D	B	r1、2min	Ew	Cr	Cor		kg	Grease	Oil
480	600	118	3	567.3	1760	5300	NNCF4896V	80.5	190	400
	650	170	5	605.5	3350	8900	NNCF4996V	167	180	380
500	620	118	3	583.5	1810	5600	NNCF48/500V	83.5	190	400
	670	170	5	631.5	3400	9350	NNCF49/500V	173	170	360

Product introduction

NCF type

NCF - it is single row roller bearing, can carry unidirectional axial load, and can be used as unidirectional positioning bearing;

NNCF type

NNCF - it is double row roller bearing, can carry unidirectional axial load, can be used as unidirectional positioning bearing, and is suitable for the low speed and heavy load conditions.

Open single row and double row full complement cylindrical roller bearings are mainly used for the low speed and heavy load conditions of general mechanical equipment.

Closed double row full complement cylindrical roller bearings are mainly used for wire rope pulley of crane.