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608-2RS rubber-sealed deep groove bearing with black seals and metal race

608-2RS Bearings

$8.99
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Ten rubber-sealed 608-2RS bearings for 8 mm shaft/idler work. Standard 608-2RS deep-groove ball bearings measure 8 mm ID × 22 mm OD × 7 mm wide, with rubber contact seals on both sides to help keep dust and shop debris out of the races.

Why 2RS for printer projects

  • Double rubber seals: better debris protection than open bearings for exposed rollers, idlers, and shop-built motion assemblies.
  • Standard 608 size: the common 8×22×7 mm bearing used across hobby machines, printed fixtures, and recycling/filament projects.
  • 10-pack: enough spares for rebuilds, paired idlers, or project BOMs that call for multiple 608 bearings.

Specifications

  • Size: 608-2RS miniature deep-groove ball bearing
  • Bore / inside diameter: 8 mm
  • Outside diameter: 22 mm
  • Width: 7 mm
  • Seals: 2RS, rubber sealed on both sides
  • Pack quantity: 10 bearings

Use and fitment

Use these where your build documentation calls for a 608-2RS or rubber-sealed 608 bearing, including 3D-printer motion mods, printed rollers, filament-handling fixtures, and general 8 mm shaft idlers.

Not the same as 608-ZZ

2RS uses rubber seals for better contamination resistance. If your BOM specifically calls for metal-shielded bearings, use the 608-ZZ Bearings instead.

Pairs well with