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QunMa NU1076 EM Cylindrical roller bearing
Cylindrical roller bearing is separable. As their rollers linearly come into contact with inner ring and orter ring with less coefficient of friction, these bearings have very good capacity of radial load, suitable for electric metors, automobiles, transmission shafts, gear shafts and so on. Double row cylimdrical roller bearings are good at the spindles of machine tools.
NU1076 EM Cylindrical roller bearing Design Classification :
1.Single Row Cylindrical Roller Bearing
Single row cylindraical Roller Bearing can be classified in NU,NJ,NUP,N,NF and so on .Inner ring outer ring are separeable.It can bear axial load from one direction.It's generally made of dteel stamping or brass cage and some of them are using cage of formed polyamide.
2.Double Row Cylindrical Roller Bearing
NNU-design double cylindrical roller bearing.They are separable,which means ring with complete flange,roller and cage can be installed with other rings,or all the bearing components can be installed separately,whjich is favorable for stalling,checking and maintaining.The bearings of NNU-design have a conical bore generally.These bearings are possoble to reach certain radial internal clearance or certain preload.
3.Four Row Cylindrical Roller Bearing
Four Row Cylindrical Roller BearingS are almost used for roller neck of mill housing,rollers and rolling machines.Compared with other roller bearing,these bearing are characterized by low friction.They are always interference fitted on roll necks especially application to rolling machineswhich rolling at a high speed.
1.The roller and raceway are line contact.Great radial load rating capacity and can bear heavy load and impact load.
2.Small frictional factor.Suitable for high-speed.Its limiting speed is nearly the same as deep groove ball bearings
3.Inner ring and outer ring are separable which is favorable for assembly and disassembly.
NU1076 EM Cylindrical roller bearing CAGE CLASSIFICATION
1.EM double assembly machine process copper cage with outer ring or inner ring centered.
2.EM pressed steel cage with rollers centered.
3.EP-nylon cage with rollers centered.
1. Typesof structure: NU,N,NJ,NF,NUP,NH,NCL...V,NB,NU...V,NNU,NNCF,NNCL, NNCS,FC,FCD,FCDP...
2. Material: Gcr15
3. Retainer: J, K, M, MA, MB, ML, MP, MR
4. Clearance: CN, C2, C3, C4, C5
5. Precision level:ABEC-1,ABEC-3,ABEC-5
6. Main application: Cylindrical roller bearings is mainly used for medium and large motors, generators, internal combustion engines, gas turbines, machine tool spindles, deceleration devices, and material handling machinery and various types of industrial machinery.
7. Packing: individual box single plastic bag, cartons and wooden cases
8. Production range: standard and non-standard
some items we can supply as :
NJ307 E NU307 E NUP307 E N307 EM NF307 EM
NJ308 E NU308 E NUP308 E N308 EM NF308 EM
NJ309 E NU309 E NUP309 E N309 EM NF309 EM
NJ310 E NU310 E NUP310 E N310 EM NF310 EM
NJ311 E NU311 E NUP311 E N311 EM NF311 EM
NJ312 E NU312 E NUP312 E N312 EM NF312 EM
NJ313 E NU313 E NUP313 E N313 EM NF313 EM
NJ314 E NU314 E NUP314 E N314 EM NF314 EM
NJ315 E NU315 E NUP315 E N315 EM NF315 EM
NJ316 E NU316 E NUP316 E N316 EM NF316 EM
NJ317 E NU317 E NUP317 E N317 EM NF317 EM
NJ318 E NU318 E NUP318 E N318 EM NF318 EM
NJ319 E NU319 E NUP319 E N319 EM NF319 EM
NJ320 E NU320 E NUP320 E N320 EM NF320 EM
NJ321 E NU321 E NUP321 E N321 EM NF321 EM
NJ322 E NU322 E NUP322 E N322 EM NF322 EM
NJ324 E NU324 E NUP324 E N324 EM NF324 EM
NJ326 E NU326 E NUP326 E N326 EM NF326 EM
NJ328 E NU328 E NUP328 E N328 EM NF328 EM
NJ330 E NU330 E NUP330 E N330 EM NF330 EM
NJ332 E NU332 E NUP332 E N332 EM NF332 EM
NJ334 E NU334 E NUP334 E N334 EM NF334 EM
NJ336 E NU336 E NUP336 E N336 EM NF336 EM
NJ338 E NU338 E NUP338 E N338 EM NF338 EM
NJ340 E NU340 E NUP340 E N340 EM NF340 EM
NJ344 E NU344 E NUP344 E N344 EM NF344 EM
NJ348 E NU348 E NUP348 E N348 EM NF348 EM
NJ352 E NU352 E NUP352 E N352 EM NF352 EM
NJ2304 E NU2304 E NUP2034 E N2304 EM NF2304 EM
NJ2305 E NU2305 E NUP2035 E N2305 EM NF2305 EM
NJ2306 E NU2306 E NUP2036 E N2306 EM NF2306 EM
NJ2307 E NU2307 E NUP2037 E N2307 EM NF2307 EM
PRODUCT ADVANTAGE OF QunMa
1.Improving cage design(contributing to the form of lubricating film)
2.Optimizing design of bearings ribs can bear higher axial load)
3.Smaller tolerance of roller(average load is well distributed
NU1076 EM Cylindrical roller bearing Fields Used in :
Machine shaft , Motor , Pump ,Fan,Air conditioner ,Packing machine,Highway engineering machinery ,Sewing machine,Textile machinery, Electric tools,Agriculture machinery , industrial washing machine , Washing Machine,mining machinery,foundry machinery, oilfield equipment, Conveying Equipment, rolling mill ,etc.
|
BEARING NO. |
d(mm) |
D(mm) |
B(mm) |
BEARING NO. |
d(mm) |
D(mm) |
B(mm) |
|
NU202 |
15 |
35 |
11 |
NU219 |
95 |
170 |
32 |
|
NU203 |
17 |
40 |
20 |
NU220 |
100 |
180 |
34 |
|
NU204 |
20 |
47 |
14 |
NU221 |
105 |
190 |
36 |
|
NU205 |
25 |
52 |
15 |
NU222 |
110 |
200 |
38 |
|
NU206 |
30 |
62 |
16 |
NU224 |
120 |
215 |
40 |
|
NU207 |
35 |
72 |
17 |
NU226 |
130 |
230 |
40 |
|
NU208 |
40 |
80 |
18 |
NU228 |
140 |
250 |
42 |
|
NU209 |
45 |
85 |
19 |
NU230 |
150 |
270 |
45 |
|
NU210 |
50 |
90 |
20 |
NU232 |
160 |
290 |
48 |
|
NU211 |
55 |
100 |
21 |
NU234 |
170 |
310 |
52 |
|
NU212 |
60 |
110 |
22 |
NU236 |
180 |
320 |
52 |
|
NU213 |
65 |
120 |
23 |
NU238 |
190 |
340 |
55 |
|
NU214 |
70 |
125 |
24 |
NU240 |
200 |
360 |
58 |
|
NU215 |
75 |
130 |
25 |
NU244 |
220 |
400 |
65 |
|
NU216 |
80 |
140 |
26 |
NU252 |
260 |
480 |
80 |
|
NU217 |
85 |
150 |
28 |
NU260 |
300 |
540 |
85 |
|
NU218 |
90 |
160 |
30 |
NU264 |
320 |
580 |
92 |
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