China Cylindrical Roller Bearing manufacturers
Product Description
Cylindrical Roller Bearing NNCF 5004 CV description
Cylindrical Roller Bearing NNCF 5004 CV is mainly refered to Cylindrical Roller Bearing NNCF 5004 CV.Cylindrical Roller Bearing NNCF 5004 CVs are available in many designs, series and sizes. The major design differences between the bearings presented in this section are in:
the number of roller rows (one, two or four)
the type of cage (with, without or special designs)
Bearings with cage can accommodate heavy radial loads, rapid accelerations and high speeds.
Full complement bearings (without cage) incorporate a maximum number of rollers and are therefore suitable for very heavy radial loads at moderate speeds.
high-capacity NSK Bearing combine the high load carrying capacity of a full complement bearing with the high speed capability of a bearing with cage.
the configuration of the inner and outer ring flanges (position and number of guide flanges)
Cylindrical Roller Bearing main type
Desgin
1Single row cylindrical roller bearings with cageN,NU,NJ,RN,NUP,
2Double row cylindrical roller bearings with cageNNU,NN
3Multi-row cylindrical roller bearings with cage
4Single row full complement cylindrical roller bearings (without cage)NCF,NJG,SL1818,SL1829,SL183,SL1822
5Double row full complement cylindrical roller bearings (without cage)NNF,NNCL,SL04..PP,NNC..49,NNF
6Multi-row full complement cylindrical roller bearings (without cage)NNU49,NNCL,NNC
Cylindrical Roller Bearing NNCF 5004 CV application
路 Reducer. Textile, metallurgy, mining . Mills , petrochemical,
路 Light and heavy machinery
Cylindrical Roller Bearing NNCF 5004 CV specification
Products NameDouble Row Cylindrical Roller Bearing NNCF 5004 CV
Brand NameFCS,NSK,NTN,Koyo
Size20x42x30mm
MaterialStainless steel.Gcr15.carbon steel
SealingOpen, Z, ZZ, RZ,2RZ,RS, 2RS
Quality StandardISO9001
ServiceOEM service
Delivery DateWithin1-3 days after payments


Payment termsA: 30% T/T in advance .70% against copy of B/L
B: 30% T/T in advance .70% L/C
C:Western union
D:Paypal
E:Money Gram
ApplicationsAuto, tractor ,machine tool, electric machine, water pump, agricultural machinery and textile machinery
Package1.plastic bag +box+carton
2.according to your requirements
Special Properties1. Japan
2. Low noise
3.long life
4. Can be customized according to your needs
5. Can provide small & miniature standard and non-standard ball bearings.
Cylindrical Roller Bearing NNCF 5004 CV size chart
Principal dimensionsSpeed ratingsDesignation
Reference speedLimiting speed
dDB
mm r/min -
204230850010000NNCF 5004 CV
204230-3400NNF 5004 ADB-2LSV
254730-3000NNF 5005 ADB-2LSV
25473070009000NNCF 5005 CV
30553460007500NNCF 5006 CV
305534-2600NNF 5006 ADB-2LSV
356236-2200NNF 5007 ADB-2LSV
35623653006700NNCF 5007 CV
40683848006000NNCF 5008 CV
406838-2000NNF 5008 ADB-2LSV
457540-1800NNF 5009 ADB-2LSV
45754043005300NNCF 5009 CV
50804040005000NNCF 5010 CV
508040-1700NNF 5010 ADB-2LSV
559046-1500NNF 5011 ADB-2LSV
55904634004300NNCF 5011 CV
60852536004500NNCF 4912 CV
60852536004500NNCL 4912 CV
60852536004500NNC 4912 CV
60954634004000NNCF 5012 CV
609546-1400NNF 5012 ADB-2LSV
6510046-1300NNF 5013 ADB-2LSV
651004630003800NNCF 5013 CV
701003030003800NNCF 4914 CV
701003030003800NNC 4914 CV
701003030003800NNCL 4914 CV
701105428003600NNCF 5014 CV
7011054-1200NNF 5014 ADB-2LSV
7511554-1100NNF 5015 ADB-2LSV
801103026003400NNCF 4916 CV
801103026003400NNCL 4916 CV
801103026003400NNC 4916 CV
801256024003000NNCF 5016 CV
8012560-1000NNF 5016 ADB-2LSV
8513060-1000NNF 5017 ADB-2LSV
851306024003000NNCF 5017 CV
901253524003000NNC 4918 CV
901253524003000NNCL 4918 CV
901253524003000NNCF 4918 CV
901406722002800NNCF 5018 CV
9014067-900NNF 5018 ADB-2LSV
9514567-900NNF 5019 ADB-2LSV
1001404020002600NNC 4920 CV
1001404020002600NNCL 4920 CV
1001404020002600NNCF 4920 CV
1001506720002600NNCF 5020 CV
10015067-850NNF 5020 ADB-2LSV
1101504019002400NNC 4922 CV
1101504019002400NNCL 4922 CV
1101504019002400NNCF 4922 CV
1101708018002200NNCF 5022 CV
11017080-750NNF 5022 ADA-2LSV
1201654517002200NNC 4924 CV
1201654517002200NNCL 4924 CV
1201654517002200NNCF 4924 CV
1201808017002000NNCF 5024 CV
12018080-700NNF 5024 ADA-2LSV
1301805016002000NNC 4926 CV
1301805016002000NNCL 4926 C






Q1: How to deal with the nosie generated during the operation of the bearing?
A1: (1) noise caused by Dust: Before installing the slewing bearing we must clean bearings, shaft, housing bore and parts strictly.
(2) Noise caused by insufficient lubrication: choice the Suitable lubricants for slewing bearing and filling the right amount of lubricant.Finally periodic replacement lubricant.
(3) Noise caused by the crack of slewing bearing'sraceway surface: When installing the bearing do not knock it.during the period of Inventory and transportation.we must use the high viscosity grease for slewing bearing .
Q2: Why is the bearing temperature too high?
(1)Lubricating oil doesn鈥檛 meet the quality requirements or goes bad,so that the oil viscosity is too high;
(2)Lubricating grease is filled too much;
(3)Bearing preload is too large;
(4)There is cooling problem in Spindle.
Q3: How long is your bearings' useful life ?
The service life of slewing bearing is related to the use of the environment, load, speed, lubrication, the accuracy of the seat frame and the maintenance.The rated service life of the slewing bearing is in 60000 hours to 100000 hours.
Q4: When can I get the quotation?
A:usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your e-mail so that we will regard your inquiry priority.China Cylindrical Roller Bearing manufacturers
website:http://www.cnr-bearing.com/bearing/roller-bearing/cylindrical-roller-bearing/