NJG 2311 VH Cylindrical Roller Bearings 55x120x43mm
The NJG 2311 VH bearing is a Cylindrical roller bearing with an inner diameter of 55 mm , an outer diameter of 120 mm, a width of 43 mm. It typically uses P0,P6,P5,P4,P2 grade precision tolerances and ZZ,2RS,Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
NJG 2311 VH cylindrical roller bearings
Inner Diameter (ID):55 mm
Outer diameter (OD):120 mm
Width/Height: 43 mm
Weight:2.13 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)
NJG 2311 VH Cage structure:
TYN:polyamide resin cage
TR : Phenolic resin cage
BRASS:Brass cage
NJG 2311 VH Type cylindrical roller bearings
1.N bearing
2.NU type bearings
3.NJ type bearings
4.NUP bearings
5.NN bearings
NJG 2311 VH 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
NJG 2311 VH 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 |
||||
|
|
|
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 |
0,30 |
|
NN 3009 |
45 |
75 |
23 |
50,1 |
65,5 |
7,65 |
11000 |
13000 |
0,38 |
|
NN 3010 |
50 |
80 |
23 |
52,8 |
73,5 |
8,5 |
10000 |
12000 |
0,42 |
|
NN 3011 |
55 |
90 |
26 |
69,3 |
96,5 |
|
