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Bearing NNU 4956 B/SPW33 Bearing NNU 4956 B/SPW33

SKF NNU4956B/SPW33 bearing

Details

Cylindrical roller bearings, double row, super-precision NNU 4956 B/SPW33

Bearing number : NNU 4956 B/SPW33

Size (mm) : 280x380x100

Brand : SKF

Bore Diameter (mm) : 280

Outer Diameter (mm) : 380

Width (mm) : 100

Bearing dimensions and specification in SKF catalogue:

d - 280 mm

D - 380 mm

B - 100 mm

D1 - 345.6 mm

F - 312 mm

b - 13.9 mm

K - 3 mm

r1,2 - min. - 2.1 mm

r1,2 - min. - 2.1 mm

s - 4.5 mm

da - min. - 291 mm

da - max. - 308 mm

db - min. - 316 mm

Da - max. - 369 mm

ra - max. - 2 mm

ra - max. - 2 mm

dn - 313.5 mm

Basic dynamic load rating - C - 765 kN

Basic static load rating - C0 - 1800 kN

Fatigue load limit - Pu - 170 kN

Limiting speed for grease lubrication - 1900 r/min

Limiting speed for oil lubrication - 2200 mm/min

Gref - 384 cm

Mass bearing - 32.5 kg

Bearing NNU 4956 B/SPW33 Bearing NNU 4956 B/SPW33

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SKF NNU4956B/SPW33 bearing Company information

SKF NNU4956B/SPW33 bearing are widely used in industrial drive, agriculture, compressors, motors and generators, construction, industrial fan, industrial transmission and other fields. SKF NNU4956B/SPW33 bearing can ensure high quality for more than 80% raw material of SKF NNU4956B/SPW33 bearing provided by the steel plant.Explorer series bearing of SKF NNU4956B/SPW33 bearing are better than any brand bearings currently in bearing performance , lifetime, design, and the use of performance. Explorer series bearings of SKF NNU4956B/SPW33 bearing have more advantages ,such as higher meet rated , lower noise, reducing warranty costs greatly, increasing running time of the machine .

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