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6811JRLLBC3/5K - 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 55 mm
External diameter D 72 mm
Bearing/Inner ring width(B) 9 mm
Min fillet radius rs 0,3 mm
Radial clearance class C3
Mass 0,083 kg
Brand NTN
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Dynamic load, C 9,75 kN
Static load, C0 8,1 kN
Fatigue limit load, Cu 0,54 kN
Coefficient f0 16.2
Nlim (grease) 8700 tr/min
Min operating temperature, Tmin -25 °C
Max operating temperature, Tmax 110 °C
Characteristic cage frequency, FTF 0,463 Hz
Characteristic rolling element frequency, BSF 13,257 Hz
Characteristic outer ring frequency, BPF0 10,175 Hz
Characteristic inner ring frequency, BPFI 11,825 Hz


Min shoulder diameter IR da min 57 mm
Max shoulder diameter IR da max 59 mm
Max shoulder diameter OR Da max 70 mm
Max shaft & housing fillet radius ra max 0,3 mm
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