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6809JR - NTN


Deep groove ball bearing, radial contact, pressed steel cage, 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 45 mm
External diameter D 58 mm
Bearing/Inner ring width(B) 7 mm
Min fillet radius rs 0,3 mm
Radial clearance class CN
Mass 0,04 kg
Brand NTN
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Dynamic load, C 5,95 kN
Static load, C0 4,95 kN
Fatigue limit load, Cu 0,325 kN
Coefficient f0 16.1
Nlim (oil) 12000 tr/min
Nlim (grease) 11000 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,466 Hz
Characteristic rolling element frequency, BSF 14,646 Hz
Characteristic outer ring frequency, BPF0 11,651 Hz
Characteristic inner ring frequency, BPFI 13,35 Hz


Min shoulder diameter IR da min 47 mm
Max shoulder diameter OR Da max 56 mm
Max shaft & housing fillet radius ra max 0,3 mm
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