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NTN Self-Aligning Ball Bearings 2309SK

NTN Self-Aligning Ball Bearings, the outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways. The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a
result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.
Since axial load capacity is limited, self-aligning ball bearing are not suitable for applications with heavy axial loads.

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NTN Self-Aligning Ball Bearings.

various part numbers in stock, welcome inquiry. Fast shipment within 2-3 working days.

Boundary dimensions   Basic load rating Fatigue load   limit Allowable speed        Bearing numbers Installation-related dimensions
mm                  dynamic    static kN min-1 mm
kN Cu Grease           Oil         Cylindrical       Tapered
d      D       B    rs min1)        Cr               C0r lubrication  lubrication        bore          bore2)
 0.260       7 500        9 000      1208S        1208SK     46.5     73.5      1
       7.35       0.290      7 100         8 500      1209S        1209SK     51.5     78.5     1
 0.510       7 100        8 500      2209S        2209SK     51.5     78.5      1
   0.330      6 000         7 500      1309S        1309SK     53.0     92.0      1.5
 0.710      5 600         7 100      2309S        2309SK    53.0      92.0     1.5
0.330       6 300        8 000      1210S        1210SK     56.5     83.5      1
0.570       6 300        8 000      2210S        2210SK     56.5     83.5     1
 0.350       5 600         6 700      1310S        1310SK     59.0   101        2
      0.860       5 000        6 300      2310S        2310SK     59.0   101        2
  0.400       6 000        7 100       1211S        1211SK     63.0     92.0      1.5
   6 000         7 100      2211S        2211SK     63.0     92.0      1.5
   0.400       5 000         6 300      1311S        1311SK     64.0   111         2
   1.00         4 800         6 000      2311S        2311SK     64.0   111         2
   0.460      5 300         6 300      1212S        1212SK     68.0   102         1.5
     0.840      5 300         6 300      2212S        2212SK    68.0    102         1.5
     0.510       4 500        5 600      1312S        1312SK     71.0   119         2
    1.20         4 300        5 300      2312S        2312SK     71.0   119         2
120 23 1.5 31 12.5 0.5 4 800 6 000 1213S 1213SK
120 31 1.5 43.5 16.4 0.92 4 800 6 000 2213S 2213SK
140 33 2.1 62.5 22.9 0.67 4 300 5 300 1313S 1313SK
140 48 2.1 97 32.5 1.4 3 800 4 800 2313S 2313SK
125 24 1.5 35 13.8 0.55 4 800 5 600 1214S
125 31 1.5 44 17.1 1.1 4 500 5 600 2214S
70  150 35 2.1 75 27.7 0.69 4 000 5 000 1314S
150 51 2.1 111 37.5 1.6 3 600 4 500 2314S
 0.630      4 300         5 300      1215S        1215SK     83.0   122         1.5
 0.630      4 300         5 300      1215S        1215SK     83.0   122         1.5       1.20         4 300        5 300      2215S        2215SK     83.0    122        1.5

WHCD Bearing Co.,Ltd is professional bearing supplier, engaged in bearing business with more than eighteen years, export to worldwide countries, as America, European, Middle-East, Southeast Asia …etc. with plenty long-term cooperation customers. WHCD Bearing company will provide professional and prompt solution for customers.Original Quality and Warranted, and Bearing experts team support customer service. Various bearing types for customer choose:  

Bearing Types:
Self-aligning ball bearing
Cylindrical roller bearing
Spherical roller bearing
Tapered roller bearing
Angular contact ball
Needle roller
Deep groove ball bearing
Axial deep groove ball
Pillow block bearing and units
LM/Linear Guide
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