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6318LLBC3/5K - NTN


Deep groove ball bearing, radial contact, pressed steel cage, non-contact seals on both sides

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 90 mm
External diameter D 190 mm
Bearing/Inner ring width(B) 43 mm
Min fillet radius rs 3 mm
Radial clearance class C3
Mass 4,91 kg
Brand NTN
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Dynamic load, C 158 kN
Static load, C0 107 kN
Fatigue limit load, Cu 7,1 kN
Coefficient f0 13.3
Nlim (grease) 3600 tr/min
Min operating temperature, Tmin -25 °C
Max operating temperature, Tmax 110 °C
Characteristic cage frequency, FTF 0,387 Hz
Characteristic rolling element frequency, BSF 4,183 Hz
Characteristic outer ring frequency, BPF0 3,093 Hz
Characteristic inner ring frequency, BPFI 4,907 Hz


Min shoulder diameter IR da min 103 mm
Max shoulder diameter IR da max 118 mm
Max shoulder diameter OR Da max 177 mm
Max shaft & housing fillet radius ra max 2,5 mm
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