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Bearing NK20/16 (AST)
Needle Roller Bearings, Precision - Metric Series NK20/16
Bearing number : NK20/16
Size (mm) : 20x28x16
Brand : AST
Bore Diameter (mm) : 20
Outer Diameter (mm) : 28
Width (mm) : 16
Bearing dimensions and specification in AST catalogue:
(dimensions in mm)
Bearing Type - Single Row
Outer Dia (D) - 28.0000
Width (B) - 16.0000
Dynamic Load Rating (Cr) - 13,000
Static Load Rating (Cor) - 17,500
Max Speed (Oil) (X1000 RPM) - 20,000
Shaft (Fw) - 20.000
Weight (g) - 27.00
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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