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60/28C3 - NTN

60/28C3

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 28 mm
External diameter D 52 mm
Bearing/Inner ring width(B) 12 mm
Min fillet radius rs 0,6 mm
Radial clearance class C3
Mass 0,098 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 13,8 kN
Static load, C0 7,4 kN
Fatigue limit load, Cu 0,58 kN
Coefficient f0 14.5
Nlim (oil) 16000 tr/min
Nlim (grease) 14000 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,411 Hz
Characteristic rolling element frequency, BSF 5,421 Hz
Characteristic outer ring frequency, BPF0 4,107 Hz
Characteristic inner ring frequency, BPFI 5,893 Hz

ABUTMENT

Min shoulder diameter IR da min 32 mm
Max shoulder diameter OR Da max 48 mm
Max shaft & housing fillet radius ra max 0,6 mm
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