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6313N - NTN


Deep groove ball bearing, radial contact, pressed steel cage, snap ring groove on outer diameter, 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.


CAD file

Technical datasheet

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Internal diameter d 65 mm
External diameter D 140 mm
Bearing/Inner ring width(B) 33 mm
Min position Groove a min 4,65 mm
Max position groove a max 4,9 mm
Min fillet radius rs 2,1 mm
Min fillet radius rNs 0,5 mm
Max bottom groove diameter D3 135,23 mm
Min groove width b min 3,1 mm
Max groove width b max 3,4 mm
Max bottom groove radius r0 max 0,6 mm
Radial clearance class CN
Mass 2,08 kg
Brand NTN
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Dynamic load, C 103 kN
Static load, C0 60 kN
Fatigue limit load, Cu 4,6 kN
Coefficient f0 13.2
Nlim (oil) 5800 tr/min
Nlim (grease) 4900 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,384 Hz
Characteristic rolling element frequency, BSF 4,072 Hz
Characteristic outer ring frequency, BPF0 3,071 Hz
Characteristic inner ring frequency, BPFI 4,929 Hz


Min shoulder diameter IR da min 76 mm
Max shoulder diameter OR Da max 129 mm
Max shaft & housing fillet radius ra max 2 mm
Max fillet radius on segment side rNa max 0,5 mm
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