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Bearing NNU 4948 B/SPW33 Bearing NNU 4948 B/SPW33

SKF NNU4948B/SPW33 bearing

Details

Cylindrical roller bearings, double row, super-precision NNU 4948 B/SPW33

Bearing number : NNU 4948 B/SPW33

Size (mm) : 240x320x80

Brand : SKF

Bore Diameter (mm) : 240

Outer Diameter (mm) : 320

Width (mm) : 80

Bearing dimensions and specification in SKF catalogue:

d - 240 mm

D - 320 mm

B - 80 mm

D1 - 292.2 mm

F - 265.3 mm

b - 11.1 mm

K - 3 mm

r1,2 - min. - 2.1 mm

r1,2 - min. - 2.1 mm

s - 3.7 mm

da - min. - 251 mm

da - max. - 262 mm

db - min. - 269 mm

Da - max. - 309 mm

ra - max. - 2 mm

ra - max. - 2 mm

dn - 267 mm

Basic dynamic load rating - C - 528 kN

Basic static load rating - C0 - 1220 kN

Fatigue load limit - Pu - 118 kN

Limiting speed for grease lubrication - 2200 r/min

Limiting speed for oil lubrication - 2600 mm/min

Gref - 171 cm

Mass bearing - 17.5 kg

Bearing NNU 4948 B/SPW33 Bearing NNU 4948 B/SPW33

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SKF NNU4948B/SPW33 bearing Company information

SKF NNU4948B/SPW33 bearing are widely used in industrial drive, agriculture, compressors, motors and generators, construction, industrial fan, industrial transmission and other fields. SKF NNU4948B/SPW33 bearing can ensure high quality for more than 80% raw material of SKF NNU4948B/SPW33 bearing provided by the steel plant.Explorer series bearing of SKF NNU4948B/SPW33 bearing are better than any brand bearings currently in bearing performance , lifetime, design, and the use of performance. Explorer series bearings of SKF NNU4948B/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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