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

Bore diameter, d

4 mm

Outside diameter, D

9 mm

Total width, T

4 mm

Sealing

Seal on both sides

Shield material

Metal

Basic static load rating, Co

0.116 kN

Basic dynamic load rating, C

0.423 kN

Limiting speed, Nlim

140000 RPM

Reference speed, Nref

140000 RPM

Sales unit

1 piece

Quantity in the package

1 piece

Reviews of 638/4-2Z | 618/4-2Z | 684 ZZ [SKF] Miniature deep groove ball bearing

Be the first to write your review!

Write a review

Important! If you want your review to be passed and published please read our rules.