RNA4912  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.

RNA4912 Metric Series Needle Roller Bearing

Model: RNA4912

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Product Details

Bearing Type Single Row, Heavy Duty
Outer Dia (D) 85.000 mm
Width (B) 25.000 mm
Dynamic Load Rating (Cr) 60,000 N
Static Load Rating (Cor) 108,000 N
Max Speed (Oil) 7,000 rpm
Shaft (Fw) 68.00 mm
Weight (g) 275.00 grams
Material 52100 Chrome steel, or equivalent