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6318CM - NTN

6318CM

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 190 mm
Bearing/Inner ring width(B) 43 mm
Min fillet radius rs 3 mm
Radial clearance class CM
Mass 4,91 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 158 kN
Static load, C0 107 kN
Fatigue limit load, Cu 7,1 kN
Coefficient f0 13.3
Nlim (oil) 4200 tr/min
Nlim (grease) 3600 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,387 Hz
Characteristic rolling element frequency, BSF 4,183 Hz
Characteristic outer ring frequency, BPF0 3,093 Hz
Characteristic inner ring frequency, BPFI 4,907 Hz

ABUTMENT

Min shoulder diameter IR da min 103 mm
Max shoulder diameter OR Da max 177 mm
Max shaft & housing fillet radius ra max 2,5 mm
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