SKF NNU 4948 BK/SPW33 Bearings

Model No : NNU 4948 BK/SPW33
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SKF NNU 4948 BK/SPW33 Bearing | Cylindrical roller bearings

Bearing NNU 4948 BK/SPW33Bearing NNU 4948 BK/SPW33

Bearing number : NNU 4948 BK/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

r3,4 - min. - 1.1 mm

s - 3.7 mm

da - min. - 251 mm

da - max. - 262 mm

Da - max. - 309 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

Tags :  SKF , 240x320x80

Cylindrical roller bearings SKF NNU 4948 BK/SPW33 Professional Supplier Information

We are a manufacturer and supplier specializing in research, development and production of Cylindrical roller bearings SKF NNU 4948 BK/SPW33 bearings.

The company's core bearings are Cylindrical roller bearings SKF NNU 4948 BK/SPW33, and deep groove ball bearings, self-aligning ball bearings, self-aligning roller bearings, wheel bearings, linear bearings, bearing blocks, ceramic bearings, plastic bearings and other bearings, cylindrical roller bearings , Angular contact ball bearings, tapered roller bearings, thrust ball bearings, thrust roller bearings and needle roller bearings and other spherical plain bearings and other fine bearings.

Our Cylindrical roller bearings SKF NNU 4948 BK/SPW33 bearings and other bearings are 100% compliant with the international quality standard ISO 9001 and are highly appreciated in various markets around the world.

How does Cylindrical roller bearings SKF NNU 4948 BK/SPW33 work for you for a long time?

  • The installation is correct, affect the accuracy, life, performance. After installation, fill the bearing with lubricant.
  • Do not let hammer, transfer roller pressure and other strong impact
  • Use precise installation tools to avoid the use of fabrics and staple fibers
  • Lubricate the bearings to avoid rusting of high quality mineral oils, especially in summer
  • General inspection, such as ambient temperature, vibration, noise check
  • Keep the bearings clean from dust, contaminants, and moisture.
  • Bearings can not be ultra-cold.

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