NN3044K Double Row Cylindrical roller Bearings mill roll bearing

NN3044K Double Row Cylindrical roller Bearings mill roll bearing System 1

NN3044K Double Row Cylindrical roller Bearings mill roll bearing System 2

NN3044K Double Row Cylindrical roller Bearings mill roll bearing System 3

NN3044K Double Row Cylindrical roller Bearings mill roll bearing

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 50 pc

Supply Capability:: 5000000 pc/month

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Specification of Double Row Cylindrical roller bearings:

Double row Cylindrical roller bearings belong to separable bearings, whose inner and outer rings are linearly contacted with rollers. They have small friction coefficient, bigger capacity of bearing radial load and are applicable to both bearing heavy load and impact load and high-speed rotation. Cylindrical roller bearings have the advantages of compact structure, strong stiffness, big bearing capacity, small deformation after loaded etc.

CNBM has already successfully developed split cylindrical roller bearings which can be freely installed at any time and any place, to meet the demand of driving and conveying rollway bearings at cooling area of continuous casting. CNBM also can provide special cylindrical roller bearings according to requirement of customers.

Product Application:

- Iron and steel metallurgical industry

- Medium and large motor

- Generator

- Combustion engines

- Machine tool spindle

- Speed reducer

- Loading and unloading machinery and all kinds of industrial machinery

Double row cylindrical roller bearings

- NN double row cylindrical roller bearings

This kind of bearings with inner rid, no outer rid. This assembly part can be separated from another ring, and they have larger radial load capacity than other single row cylindrical roller bearings with the same size, but the axial or housing is free axial displacement, so this kind of bearings can only bear the axial load.

- NNU, NNU…K double row cylindrical bearings

NNU,NNU...K type bearings with outer rid, no inner rid. There are tow kinds of holes, one is cylindrical hole, and another is tapered hole. Axial or housing is free axial displacement, so this kind of bearings can not bear the axial load. But these kind of bearings have larger radial load capacity than other single row roller bearings with the same size.

- NUP single row cylindrical roller bearings

NUP type bearings with double outer rid, single inner rid and loose rid, this design is possible to limit the axial displacement of the shaft or the housing in double direction within the scope of the axial clearance. in addition they mainly used to bear radial load, also can withstand diameter, the axial union load. Therefore this NUP suitable for fixed end bearings.

- NNCF double row cylindrical bearings

NNCF type bearings with three inner rids and one outer rid. They can take a direction axial positioning. There is a fixed ring in the other side of the outer rid, it can make bearing keep as one.

Double Row Cylindrical Roller Bearings Catalogue:

Desiganations	Basic load rating KN		Principal dimensions					Spead ratings rpm.		Weight
	Cr	Cor	d	D	B	r	Ew.Fw	Grease	Oil	kg
NN3032K	345	675	160	240	60	2.1	219	3800	3200	8.39
NN3032KTN1	345	335	160	240	60	2.1	219	3800	3200	7.86
NN3032K/W33	345	675	160	240	60	2.1	219	3000	2200	8.38
NN3032K/YB2	345	675	160	240	60	2.1	219	3000	2200	8.39
NN3032	345	675	160	240	60	2.1	219	3000	2200	8.38
NN3034K	435	860	170	260	67	2.1	236	3600	3000	12.9
NN3034/YA8	435	860	170	260	67	2.1	236	3000	2200	13.3
NN3036K	555	1090	180	280	74	2.1	255	3400	2800	16.9
NN3036	555	1090	180	280	74	2.1	255	2800	2000	16.9
4382936	337	703	180	250	69	2.3	201	2800	2000	9.8
NN3038K	565	1140	190	290	75	2.1	265	3200	2600	17.9
NN3038K/W33	565	1140	190	290	75	2.1	265	2600	1900	17.1
NN3038	565	1140	190	290	75	2.1	265	2600	1900	18
NNU4938B-W33	560	1250	190	260	69	3	212	2600	1900	11
NNU6038	1260	3200	190	290	180	2.1	219	2600	1900	43.6
NN3034K	675	1340	200	310	82	2.1	282	3000	2400	22
NN3034	675	1340	200	310	82	2.1	282	2400	1900	22.1
NN3044K	795	1610	220	340	90	3	310	2800	2200	30.1
NN3044K/W33	795	1610	220	340	90	3	310	2200	1800	30
NN3044	795	1610	220	340	90	3	310	2200	1800	31
NN3048K	810	1690	240	360	92	3	330	2600	2000	32.7
NN3048	810	1690	240	360	92	3	330	2000	1700	31.6
482752U	605	1500	260	360	80	2.1	282	1600	1900	28.2
NN3056K	1060	2290	280	420	106	4	384	2200	1800	49.7
NN3056	1060	2290	280	420	106	4	384	1700	1400	52.3
3182160	1290	2790	300	460	118	4	418	1200	1500	76.2
3282160	1290	2790	300	460	118	4	418	1200	1500	77.9
31821/600	4050	9850	600	870	200	6	805	600	800	384
32821/600K	4050	9850	600	870	200	6	805	600	800	403
31821/630	4350	10600	630	920	212	7.5	850	550	750	438
32821/630K	4350	10600	630	920	212	7.5	850	550	750	460
NN3030K	330	650	150	225	56	2.1	206	4000	3400	7.7
NN3030/YA8	330	650	150	225	56	2.1	206	4000	3400	7.7
NN3030	330	650	150	225	56	2.1	206	3200	2400	7.75
NN3030/C9	330	650	150	225	56	2.1	206	3200	2400	7.75
NN3030/C9YA8	330	650	150	225	56	2.1	206	3200	2400	7.79
NN3030K/C91W33	330	650	150	225	56	2.1	206	3200	2400	7.7

Q:For bearing type, no outer ring single row cylindrical roller bearings, bore 40, thickness 21, roller diameter 8, roller length 12: This is the outer ring and the inner ring can be separated, the bearings in the country can be produced, imported bearings are sold.Another model is up to your standard,Cylindrical roller bearings SL183008Semi position bearing, full cylindrical roller, dimension series 30M 0,31 kgqualityCr 66000, NBasic rated dynamic load, radialC0r 67000, NBasic rated static load radialCur 11200, NFatigue limit load, radialNG 6300, 1/minLimit speedNB 4300, 1/minReference speed

Q:What is called a semi convex roller, a fully convex roller, a logarithmic curve roller?: What is called a semi convex roller, a fully convex roller, a logarithmic curve roller?Semi convex, convex roller is in plane roller axis, the outer surface of a continuous or discontinuous convex curved basic cylindrical or conical roller, to prevent the end of the roller and raceway contact stress concentration. The roller is generally defined as a convex roller and a modified roller.

Q:Full use roller bearings: The service is applied to all axle box bearings, including FAG cylindrical roller bearings, spherical bearings and tapered roller NSK bearings. In addition, FAG industry services also provide support to customers in the rail industry who introduce maintenance management systems. INA bearing agent Chinese by helping clients improve internal maintenance procedures, F IS can enhance the data exchange between various departments, and clearly useless procedures, such as entry in IT system and database in different kinds of data. This reduces the cost of raw material management and speeds up maintenance activities. NSK it is very important for the effective maintenance management to install the bearing units rapidly and effectively in china. At the same time, the F IS offers a range of energy saving bearing heaters. Including the FAG Powertimken series induction heater, to enable customers to reduce the installation time of bearing, NSK bearings so as to shorten the downtime, instead of using the traditional heating method (oil bath heating stove, or board). FAG is a research and development partner and supplier of the world's leading Boeing 787 manufacturer. The quality, reliability and efficiency of Schaeffler's aviation bearings, INA bearings, price fits, and performance in extreme conditions, the INA bearing agent provides support for the international space navigation corporation. FAG's bearing technology is used on almost all modern aircraft.

Q:The thrust cylindrical roller bearings do not need the bearing seat, and the thrust bearings, shaft rings and seat rings on our unit are all in the bearing seat, often broken. The rotation of the 1. shaft in the bearing seat will not be affected, moreover, the shaft will have radial runout. 2. do not use the bearing seat, usually how to refuel?.Are there any field installation drawings or data on thrust bearings?. Thanks a million!: Hello, I have sent a message to your mailbox, I hope you can help! Have problems you can contact us directly, Beijing Sheng Yi Huitian Electromechanical Equipment Co. Ltd

Q:How should I find the concentricity of cylindrical roller bearings after installation?: So, in the machining process, try to use special fixtures and parts drawing in tol and other measures to avoid such a remedy".

Q:Cylindrical roller bearingWhat are cylindrical roller bearings, are they available in Kunshan?: Because you do not know your request, can not provide you with more help, if necessary, you can ask.

Q:Is the nu240em cylindrical roller bearing split?: No, nu240em cylindrical roller bearings are integral.Bearing type: cylindrical roller bearingNew model: NU240EMOld model: 32240EHInternal diameter (mm):200Outside diameter (mm):360Width (mm):58

Q:Why should the main shaft be coupled with double row cylindrical roller bearings?: Separable, easy to install and disassemble, mainly used in lathe, milling machine, machining center and other high-precision machine tool spindle. Hope to be of help to you.

Q:Is the roller bearing and the bearing chamber movable in the tapered rotor motor?: E in cylindrical roller bearing is the meaning of improving internal cage design, similar to the SKF cylindrical roller bearing EC form, this type of bearing than without E, is to strengthen the design, the roller is filled more larger to increase the load. From the load point of view, it is better to choose E.

Q:Thrust cylindrical roller bearings, the main use?: Thrust cylindrical roller bearings, the main use? Thrust cylindrical roller bearings are mainly used in oil rigs, iron, steel, machinery and so on. Our factory uses the bearings of Changzhou Enke Bearing Co., Ltd., they have many kinds of bearings and meet various demands.

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