RNA4909  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.

RNA4909 Metric Series Needle Roller Bearing

Model: RNA4909

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Product Details

Specifications
Bearing Type Single Row, Heavy Duty
Outer Dia (D) 68.000 mm
Width (B) 22.000 mm
Dynamic Load Rating (Cr) 45,000 N
Static Load Rating (Cor) 73,000 N
Max Speed (Oil) 8,500 X1000 rpm
Shaft (Fw) 52.00 mm
Weight (g) 182.00 grams
Material 52100 Chrome steel, or equivalent