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SKF Needle Roller  RNA4903RS

SKF needle roller bearings with machined rings are made of carbon chromium bearing steel. SKF supplies these bearings with or without flanges on the outer ring, in a wide range of series and sizes. SKF also supplies them with or without an inner ring.

Single row needle roller bearings without an inner ring consist of an outer ring with a needle roller and cage assembly. They are an excellent choice for compact bearing arrangements in applications where hardened and ground raceways can be provided on the shaft. The outer ring includes two non-separable closure rings that act as flanges to guide the bearing axially.

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Single row Needle roller bearings with machined rings, with flanges, without inner ring.

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

Designation Principal dimensions Basic load ratings Speed ratings
dynamic static Reference speed Limiting speed
Fw[mm] D[mm] C[mm] C[kN] C0[kN] [r/min] [r/min]
  RNA4848   265   300   60   347   1 120   1 500   1 700
  RNA4852   285   320   60   358   1 200   1400   1 500
  RNA4856   305   350   69   429   1 320   1 300   1400
  RNA4860   330   380   80   594   1 800   1 100   1 300
  RNA4872   390   440   80   627   2 040   950   1 100
  RNA49/22   28   39   17   23.3   32   14 000   15 000
  RNA49/28   32   45   17   25.1   36.5   12 000   14 000
  RNA49/32   40   52   20   30.8   51   10 000   11 000
  RNA4900   14   22   13   8.8   10.4   24 000   28 000
  RNA4900RS   14   22   13   7.37   8.15   12 000
  RNA4900.2RS   14   22   13   7.37   8.15   12 000
  RNA4901   16   24   13   9.9   12.2   22 000   26 000
  RNA4901RS   16   24   13   8.09   9.65   11 000
  RNA4901.2RS   16   24   13   8.09   9.65   11 000
  RNA4902   20   28   13   11.2   15.3   19 000   22 000
  RNA4902RS   20   28   13   9.13   12   9 500
  RNA4902.2RS   20   28   13   9.13   12   9 500
  RNA4903   22   30   13   11.4   16.3   18 000   20 000
  RNA4903RS   22   30   13   9.52   12.9   9 000
  RNA4903.2RS   22   30   13   9.52   12.9   9 000
  RNA4904   25   37   17   21.6   28   15 000   17 000
  RNA4904RS   25   37   17   19.4   22.4   7 500
  RNA4904.2RS   25   37   17   19.4   22.4   7 500
  RNA4905   30   42   17   24.2   34.5   13 000   15 000
  RNA4905RS   30   42   17   21.6   27.5   6 300
  RNA4905.2RS   30   42   17   21.6   27.5   6 300
  RNA4906   35   47   17   25.5   39   11 000   13 000
  RNA4906RS   35   47   17   23.3   32   5 600
  RNA4906.2RS   35   47   17   23.3   32   5 600
  RNA4907   42   55   20   31.9   54   9 500   11 000

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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