16021C3 - NTN


Deep groove ball bearing, radial contact, pressed steel cage, open

The single row deep-groove ball bearing is the most popular bearing. It is available in a wide range of sizes with several possible options: sealing with shields or seals, presence of a retaining ring, varied clearances, several cage types, etc.


Technical datasheet

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Internal diameter d 105 mm
External diameter D 160 mm
Bearing/Inner ring width(B) 18 mm
Min fillet radius rs 1 mm
Radial clearance class C3
Mass 1,2 kg
Brand NTN
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Dynamic load, C 57,5 kN
Static load, C0 50,5 kN
Fatigue limit load, Cu 3 kN
Coefficient f0 16.3
Nlim (oil) 4700 tr/min
Nlim (grease) 4000 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,449 Hz
Characteristic rolling element frequency, BSF 9,717 Hz
Characteristic outer ring frequency, BPF0 7,634 Hz
Characteristic inner ring frequency, BPFI 9,366 Hz


Min shoulder diameter IR da min 110 mm
Max shoulder diameter OR Da max 155 mm
Max shaft & housing fillet radius ra max 1 mm
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