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6903JRXZZ/5K - NTN

6903JRXZZ/5K

Deep groove ball bearing, radial contact, pressed steel cage, shields on both sides

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 17 mm
External diameter D 30 mm
Bearing/Inner ring width(B) 7 mm
Min fillet radius rs 0,3 mm
Radial clearance class CN
Mass 0,018 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 5,15 kN
Static load, C0 2,58 kN
Fatigue limit load, Cu 0,202 kN
Coefficient f0 14.7
Nlim (grease) 22000 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 150 °C
Characteristic cage frequency, FTF 0,415 Hz
Characteristic rolling element frequency, BSF 5,705 Hz
Characteristic outer ring frequency, BPF0 4,564 Hz
Characteristic inner ring frequency, BPFI 6,436 Hz

ABUTMENT

Min shoulder diameter IR da min 19 mm
Max shoulder diameter OR Da max 28 mm
Max shaft & housing fillet radius ra max 0,3 mm
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