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6808JRZZ/5K - NTN


Deep groove ball bearing, radial contact, pressed steel cage, shields 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 40 mm
External diameter D 52 mm
Bearing/Inner ring width(B) 7 mm
Min fillet radius rs 0,3 mm
Radial clearance class CN
Mass 0,033 kg
Brand NTN
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Dynamic load, C 5,65 kN
Static load, C0 4,4 kN
Fatigue limit load, Cu 0,291 kN
Coefficient f0 16.3
Nlim (grease) 12000 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 150 °C
Characteristic cage frequency, FTF 0,462 Hz
Characteristic rolling element frequency, BSF 13,067 Hz
Characteristic outer ring frequency, BPF0 10,163 Hz
Characteristic inner ring frequency, BPFI 11,837 Hz


Min shoulder diameter IR da min 42 mm
Max shoulder diameter OR Da max 50 mm
Max shaft & housing fillet radius ra max 0,3 mm
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