684ZZ Bearing 0.157 x 0.354 x 0.157 in (4x9x4 mm) – Shielded Chrome Steel

684ZZ Miniature Ball Bearing 0.157 x 0.354 x 0.157 in (4x9x4 mm): ZZ ball bearing in Chrome steel (bearing steel), for 3D printers, RC models, tools and mechanics.

Fits with

• F684ZZ Flanged Bearing 0.157 x 0.354 x 0.157 in (4x9x4 mm) – Shielded Bearing Steel (same size, flanged)
• MR84ZZ Bearing 0.157 x 0.315 x 0.118 in (4x8x3 mm) – Shielded Chrome Steel (next smaller size)
• MR104ZZ Bearing 0.157 x 0.394 x 0.157 in (4x10x4 mm) – Shielded Chrome Steel (next larger size)
• LM4UU Linear Ball Bearing 0.157 x 0.315 x 0.472 in (4x8x12 mm) (for the same 0.157 in (4 mm) shaft)
• Rigid Shaft Coupling 0.157 x 0.157 in (4 x 4 mm) (for the same 0.157 in (4 mm) shaft)

More help: see our ZZ vs 2RS guide and bearing size chart.

Delivery: ships from Belgium in 1-2 working days.