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6838C3 - NTN

6838C3

Deep groove ball bearing, radial contact, machined 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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PRODUCT DIMENSIONS

Internal diameter d 190 mm
External diameter D 240 mm
Bearing/Inner ring width(B) 24 mm
Min fillet radius rs 1,5 mm
Radial clearance class C3
Mass 2,62 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 81 kN
Static load, C0 88 kN
Fatigue limit load, Cu 4 kN
Coefficient f0 16.1
Nlim (oil) 2900 tr/min
Nlim (grease) 2400 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 14,186 Hz
Characteristic outer ring frequency, BPF0 11,158 Hz
Characteristic inner ring frequency, BPFI 12,842 Hz

ABUTMENT

Min shoulder diameter IR da min 198 mm
Max shoulder diameter OR Da max 232 mm
Max shaft & housing fillet radius ra max 1,5 mm
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