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6805JR - NTN

6805JR

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.

Загрузки

CAD file

Технический паспорт

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Спесификация

PRODUCT DIMENSIONS

Internal diameter d 25 mm
External diameter D 37 mm
Bearing/Inner ring width(B) 7 mm
Min fillet radius rs 0,3 mm
Radial clearance class CN
Mass 0,022 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 4,75 kN
Static load, C0 2,95 kN
Fatigue limit load, Cu 0,208 kN
Coefficient f0 16.1
Nlim (oil) 21000 tr/min
Nlim (grease) 18000 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,444 Hz
Characteristic rolling element frequency, BSF 8,744 Hz
Characteristic outer ring frequency, BPF0 6,653 Hz
Characteristic inner ring frequency, BPFI 8,347 Hz

ABUTMENT

Min shoulder diameter IR da min 27 mm
Max shoulder diameter OR Da max 35 mm
Max shaft & housing fillet radius ra max 0,3 mm
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