RNA4903  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.

RNA4903 Metric Series Needle Roller Bearing

Model: RNA4903

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Product Details

Specifications
Bearing Type Single Row, Heavy Duty
Outer Dia (D) 30.000 mm
Width (B) 13.000 mm
Dynamic Load Rating (Cr) 11,000 N
Static Load Rating (Cor) 14,600 N
Max Speed (Oil) 21,000 X1000 rpm
Shaft (Fw) 22.00 mm
Weight (g) 22.20 grams
Material 52100 Chrome steel, or equivalent