NK47/30  precision needle roller bearing drawings
  1. The bearing must be used with a hardened inner ring, or a hardened shaft.
  2. Some sizes are available with either a single seal or two seals.

NK47_30 Metric Series Needle Roller Bearing

Model: NK47/30

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Product Details

Specifications
Bearing Type Single Row
Outer Dia (D) 57.000 mm
Width (B) 30.000 mm
Dynamic Load Rating (Cr) 43,000 N
Static Load Rating (Cor) 94,000 N
Max Speed (Oil) 9,500 X1000 rpm
Weight (g) 142.00 grams
Material 52100 Chrome steel, or equivalent