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6818C3 - NTN

6818C3

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 90 mm
External diameter D 115 mm
Bearing/Inner ring width(B) 13 mm
Min fillet radius rs 1 mm
Radial clearance class C3
Mass 0,285 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 21,1 kN
Static load, C0 19,7 kN
Fatigue limit load, Cu 1,3 kN
Coefficient f0 16.1
Nlim (oil) 6300 tr/min
Nlim (grease) 5400 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,465 Hz
Characteristic rolling element frequency, BSF 14,278 Hz
Characteristic outer ring frequency, BPF0 11,164 Hz
Characteristic inner ring frequency, BPFI 12,836 Hz

ABUTMENT

Min shoulder diameter IR da min 95 mm
Max shoulder diameter OR Da max 110 mm
Max shaft & housing fillet radius ra max 1 mm
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