Bearing 638/4-2Z SKF, Sweden. Type: miniature deep groove ball bearing. Single row. ZZ-type shields on both sides. Extra light metric series. Dimensions (dxDxB): 4x9x4 mm.

  • Product price: 251,20 ₴
  • Tax(20%): 50,24 ₴
  • Total price: 301,44 ₴
Available for order
301,44 ₴
Manufacturer
SKF
Country of origin
Sweden
Manufacturer designation:

638/4-2Z

Interchange designations:

618/4 ZZ;

Design:

The ball bearing consists of two rings (internal and external) and rolling elements (balls), connected with a cage - separator. The bearing is sealed on each side.

Application:

conveying equipment; robotics; 3D printers;
fidget spinner;
dental equipment;
rolling mills; skateboard; inline skating
ship rudder shafts;
aggregate crushers;
DC Motors; Blower; bend saw, hand piece, hobby;
RC Helicopters, RC Planes, RC Trucks, RC Cars

Parameters

Weight, W

0.0006 kg

Inner diameter, d

4 mm

Outer diameter, D

9 mm

Total width, T

4 mm

Shield type

Bilateral

Shield material

Metal

Static load, C0

0.116 kN

Dynamic load, C

0.423 kN

Limiting speed, Nlim

140000 RPM

Reference speed, Nref

140000 RPM

Sales unit

1 piece

Quantity in the package

1 piece

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