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6804JR - NTN

6804JR

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.

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Technical datasheet

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Specs

PRODUCT DIMENSIONS

Internal diameter d 20 mm
External diameter D 32 mm
Bearing/Inner ring width(B) 7 mm
Min fillet radius rs 0,3 mm
Radial clearance class CN
Mass 0,019 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 4,45 kN
Static load, C0 2,47 kN
Fatigue limit load, Cu 0,185 kN
Coefficient f0 15.5
Nlim (oil) 25000 tr/min
Nlim (grease) 21000 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,433 Hz
Characteristic rolling element frequency, BSF 7,294 Hz
Characteristic outer ring frequency, BPF0 5,625 Hz
Characteristic inner ring frequency, BPFI 7,375 Hz

ABUTMENT

Min shoulder diameter IR da min 22 mm
Max shoulder diameter OR Da max 30 mm
Max shaft & housing fillet radius ra max 0,3 mm
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