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Bearing RNA69/22 (AST)
Needle Roller Bearings, Precision - Metric Series RNA69/22
Bearing number : RNA69/22
Size (mm) : 28x39x30
Brand : AST
Bore Diameter (mm) : 28
Outer Diameter (mm) : 39
Width (mm) : 30
Bearing dimensions and specification in AST catalogue:
(dimensions in mm)
Bearing Type - Double Row
Outer Dia (D) - 39.0000
Width (B) - 30.0000
Dynamic Load Rating (Cr) - 37,500
Static Load Rating (Cor) - 55,000
Max Speed (Oil) (X1000 RPM) - 15,000
Shaft (Fw) - 28.000
Weight (g) - 98.00
Material - 52100 Chrome steel, or equivalent
The bearing must be used with a hardened inner ring, or a hardened shaft.
Some sizes are available with either a single seal or two seals.
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