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NUP418 Cylindrical Roller Bearings 90x225x54mm
NUP418 cylindrical roller bearings
Inner Diameter (ID):90 mm
Outer diameter (OD):225 mm
Width/Height:54 mm
Weight: 11 KG
Number of Row: Double row
Seals type: open
Characteristics: high speed
Internal structure: N.NU.NJ.NF.NUP.NFP.NH(NJ+HJ).NN.NNU.NNF.FC.FCD
Material: No mark:Steel ball(SUJ2); SN24:Ceramic ball(Si3N4)
NUP418 Cage structure:
TYN:polyamide resin cage
TR : Phenolic resin cage
BRASS:Brass cage
NUP418 Type cylindrical roller bearings
1.N bearing
2.NU type bearings
3.NJ type bearings
4.NUP bearings
5.NN bearings
NUP418 Preloaded mark:
CAC: Large size bearings, roller is symmetrical
ECAC : Bearing roller and race surface by optimizing processing, helps to guide roller
CA : Roller is symmetrical, inner ring without guard.Each column roller with stamping steel cage
CC: Bearing roller and race surface by optimizing processing, help guide roller, and can reduce friction
E: Bearing load capacity is higher.E type bearing outer ring with a groove and three oil hole
Precision grade:
P2 : ISO2;
P4 : ISO4;
P5 : ISO5
P3 : Special grade(Dimensional accuracy:ISO4,Rotation accuracy:ISO2)
p4Y: Special grade
NUP418 Bearing clearance
C1-1 set of the clearance, clearance is less than 2 groups.
C2 - clearance conform to the standards stipulated by the two groups, group windage is less than 0.
C0 - clearance conform to the standards stipulated by the 0 group, code omitted, don\\\\\\\'t say.
C3 - clearance conform to the standards stipulated by the three groups, group clearance greater than 0.
C4 - clearance conform to the standards stipulated by the four groups, clearance is greater than three groups.
Of the C5 - clearance 5 groups, clearance is greater than the four groups.
When clearance code and tolerance grade bearing code P4, P5 or P6, saves clearance code C.
|
Bearing No. |
Principal dimensions |
Basic load ratings |
Fatigue load limit |
Speed ratings |
Mass |
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|
|
|
dynamic |
static |
|
Reference speed |
Limiting speed |
|
||
|
|
d |
D |
B |
C |
C0 |
Pu |
|
|
|
|
|
mm |
kN |
kN |
r/min |
kg |
||||
|
NN 3005 |
25 |
47 |
16 |
26 |
30 |
3,1 |
19000 |
22000 |
0,12 |
|
NN 3006 |
30 |
55 |
19 |
30,8 |
37,5 |
3,9 |
16000 |
18000 |
0,19 |
|
NN 3007 |
35 |
62 |
20 |
39,1 |
50 |
5,4 |
14000 |
16000 |
0,25 |
|
NN 3008 |
40 |
68 |
21 |
42,9 |
56 |
6,48 |
12000 |
14000 |
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