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6909LLUC3/5K - NTN

6909LLUC3/5K

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.

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Technical datasheet

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Specs

PRODUCT DIMENSIONS

Internal diameter d 45 mm
External diameter D 68 mm
Bearing/Inner ring width(B) 12 mm
Min fillet radius rs 0,6 mm
Radial clearance class C3
Mass 0,128 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 14,5 kN
Static load, C0 10,4 kN
Fatigue limit load, Cu 0,73 kN
Coefficient f0 16.1
Nlim (grease) 5600 tr/min
Min operating temperature, Tmin -25 °C
Max operating temperature, Tmax 110 °C
Characteristic cage frequency, FTF 0,444 Hz
Characteristic rolling element frequency, BSF 8,785 Hz
Characteristic outer ring frequency, BPF0 7,101 Hz
Characteristic inner ring frequency, BPFI 8,899 Hz

ABUTMENT

Min shoulder diameter IR da min 49 mm
Max shoulder diameter IR da max 51 mm
Max shoulder diameter OR Da max 64 mm
Max shaft & housing fillet radius ra max 0,6 mm
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