689 W4 open oiled 9x17x4mm Miniature Deep Groove Ball Bearing

For use in special conditions. The miniature ball bearing 689-W4 is small and suitable for installation with limited space and on thin shafts. It can withstand very high speeds.

Features

  • miniature ball bearing with smallest dimensions
  • suitable for high radial loads and light axial loads in both directions
  • suitable for high running accuracy, quiet running and very high speeds
  • seal: open (without seal); for higher speeds than with sealed ball bearings and easy relubrication
  • good fixed bearing property, but can also be used as a floating bearing, each in both directions

Technical Data

Inside Ø (mm): 9
Outside Ø (mm): 17
Width (mm): 4
Tolerance for inside-Ø (mm): 0/-0,008
Tolerance for outside-Ø (mm): 0/-0,008
Tolerance for width (mm): 0/-0,12
Rows Of Balls: single row
Seal: open
Internal Clearance: CN (Standard)
Flange: no
Slot & Snap Ring: no
Ring Material: Rolling bearing steel
Rolling Element Material: Rolling bearing steel
Cage Material: Sheet Steel
Full Complement Ball Set: no

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