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7005 - NTN

7005

Angular contact ball bearing, polyamide cage.

The single row angular contact ball bearing is designed to withstand combined loads with a predominant axial component. Installed in opposition with another bearing of the same type, it guarantees high mounting rigidity.

The NTN-SNR range is available in several variants: 30° or 40° angles, polyamide, pressed steel or solid brass cages, universal pairing available, clearances or preloads, etc.

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Specifica

PRODUCT DIMENSIONS

Internal diameter d 25 mm
External diameter D 47 mm
Bearing/Inner ring width(B) 12 mm
Charge load application point a 16,5 mm
Contact angle α 30 °
Min fillet radius rs 0,6 mm
Min fillet radius r1s 0,3 mm
Radial clearance class CN
Mass 0,093 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 11,9 kN
Static load, C0 6,85 kN
Fatigue limit load, Cu 0,535 kN
Nlim (oil) 21000 tr/min
Nlim (grease) 16000 tr/min
Min operating temperature, Tmin -20 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,424 Hz
Characteristic rolling element frequency, BSF 5,54 Hz
Characteristic outer ring frequency, BPF0 5,508 Hz
Characteristic inner ring frequency, BPFI 7,492 Hz

ABUTMENT

Min shoulder diameter IR da min 29,5 mm
Max shoulder diameter OR Da max 42,5 mm
Max OR shoulder diameter (Db max) 44,5 mm
Maxi fillet radius r1a 0,3 mm
Max shaft & housing fillet radius ra max 0,6 mm
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