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6412NR - 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 60 mm
External diameter D 150 mm
Bearing/Inner ring width(B) 35 mm
Min position Groove a min 4,65 mm
Max position groove a max 4,9 mm
Mini segment position Ca min 7,42 mm
Max segment position Ca max 7,67 mm
Min fillet radius rs 2,1 mm
Min fillet radius rNs 0,5 mm
Max bottom groove diameter D3 145,24 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
Max outside diameter of assembled stop ring D4 max 159,7 mm
Stop ring thickness f 2,77 mm
Snap ring reference R150
Radial clearance class CN
Mass 2,77 kg
Brand NTN
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Dynamic load, C 113 kN
Static load, C0 64,5 kN
Fatigue limit load, Cu 4,9 kN
Coefficient f0 12.6
Nlim (oil) 5700 tr/min
Nlim (grease) 4800 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,371 Hz
Characteristic rolling element frequency, BSF 3,634 Hz
Characteristic outer ring frequency, BPF0 2,6 Hz
Characteristic inner ring frequency, BPFI 4,4 Hz


Min shoulder diameter IR da min 71 mm
Max shoulder diameter OR Da max 139 mm
Max shaft & housing fillet radius ra max 2 mm
Max fillet radius on segment side rNa max 0,5 mm
Min stop ring position diameter Db min 162 mm
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