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6312LLB/2AS - NTN

6312LLB/2AS

Deep groove ball bearing, radial contact, pressed steel cage, non-contact seals 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 60 mm
External diameter D 130 mm
Bearing/Inner ring width(B) 31 mm
Min fillet radius rs 2,1 mm
Radial clearance class CN
Mass 1,73 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 90,5 kN
Static load, C0 52 kN
Fatigue limit load, Cu 4,1 kN
Coefficient f0 13.2
Nlim (grease) 5400 tr/min
Min operating temperature, Tmin -25 °C
Max operating temperature, Tmax 110 °C
Characteristic cage frequency, FTF 0,384 Hz
Characteristic rolling element frequency, BSF 4,088 Hz
Characteristic outer ring frequency, BPF0 3,074 Hz
Characteristic inner ring frequency, BPFI 4,926 Hz

ABUTMENT

Min shoulder diameter IR da min 71 mm
Max shoulder diameter IR da max 80,5 mm
Max shoulder diameter OR Da max 119 mm
Max shaft & housing fillet radius ra max 2 mm
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