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6910 - 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) 50 mm
External diameter (D) 72 mm
Bearing/Inner ring width (B) 12 mm
Min fillet radius (rs) 0,6 mm
Radial clearance class CN
Mass 0,132 kg
Brand NTN
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Dynamic load (C) 14,9 kN
Static load (C0) 11,2 kN
Fatigue limit load (Cu) 0,765 kN
Coefficient f0 16.3
Nlim (oil) 11000 tr/min
Nlim (grease) 8900 tr/min
Min operating temperature (Tmin) -40 °C
Max operating temperature (Tmax) 120 °C
Characteristic cage frequency, FTF 0,448 Hz
Characteristic rolling element frequency, BSF 9,502 Hz
Characteristic outer ring frequency, BPF0 7,615 Hz
Characteristic inner ring frequency, BPFI 9,385 Hz


Min shoulder diameter IR (da min) 54 mm
Max shoulder diameter OR (Da max) 68 mm
Max shaft & housing fillet radius (ra max) 0,6 mm
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