6304LLUC3/5K - NTN


Deep groove ball bearing, radial contact, pressed steel cage, 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.


Technical datasheet

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Internal diameter d 20 mm
External diameter D 52 mm
Bearing/Inner ring width(B) 15 mm
Min fillet radius rs 1,1 mm
Radial clearance class C3
Mass 0,144 kg
Brand NTN
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Dynamic load, C 17,6 kN
Static load, C0 7,9 kN
Fatigue limit load, Cu 0,615 kN
Coefficient f0 12.4
Nlim (grease) 10000 tr/min
Min operating temperature, Tmin -25 °C
Max operating temperature, Tmax 110 °C
Characteristic cage frequency, FTF 0,368 Hz
Characteristic rolling element frequency, BSF 3,515 Hz
Characteristic outer ring frequency, BPF0 2,574 Hz
Characteristic inner ring frequency, BPFI 4,426 Hz


Min shoulder diameter IR da min 26,5 mm
Max shoulder diameter IR da max 28,5 mm
Max shoulder diameter OR Da max 45,5 mm
Max shaft & housing fillet radius ra max 1 mm
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