SKF NJ307ECML bearing

35x80x21

Noise generation in bearings and its effect, influence of the lubricating grease, grease noise tester, test procedure and requirements. Author: Max Bichler, SKF QTC, Austria, Christian Roth, SKF QTC, Austria SUMMARY The essential customer needs of today, namely long bearing service life and low noise performance, demand the availability of a



Cylindrical roller bearings, single row NJ 307 ECML

Bearing number : NJ 307 ECML

Size (mm) : 35x80x21

Brand : SKF

Bore Diameter (mm) : 35

Outer Diameter (mm) : 80

Width (mm) : 21

Bearing dimensions and specification in SKF catalogue:

d - 35 mm

D - 80 mm

B - 21 mm

d1 - - 51 mm

D1 - - 66.3 mm

F - 46.2 mm

r1,2 - min. - 1.5 mm

r3,4 - min. - 1.5 mm

s - 1.2 mm

da - min. - 43 mm

da - max. - 44 mm

db - min. - 53 mm

Da - max. - 72.2 mm

ra - max. - 1.5 mm

Basic dynamic load rating - C - 75 kN

Basic static load rating - C0 - 63 kN

Fatigue load limit - Pu - 8.2 kN

Reference speed - 9500 r/min

Limiting speed - 11000 r/min

Calculation factor - kr - 0.23

Mass bearing - 0.56 kg

Bearing NJ 307 ECML Bearing NJ 307 ECML

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