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S634-ZZ-ECO Miniature Ball Bearing 4x16x5mm
S634-ZZ-ECO

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MBA

S634-ZZ-ECO Miniature Ball Bearing 4x16x5mm

Part Number: S634-ZZ-ECO
Inner Diameter (Bore) 4 mm
Outer Diameter 16 mm
Width 5 mm
Seal Type Shielded (ZZ)

S634-ZZ-ECO miniature radial ball bearing. 4mm bore x 16mm OD x 5mm width. Shielded (ZZ). Stainless Steel (AISI 440C).

Qty:
  • Available in AISI 440C stainless steel or SAE 52100 chrome steel
  • Cross-referenced to equivalents from NSK, NMB, SKF, GRW, Koyo, EZO and more
  • Manufactured to ABEC / ISO precision standards
  • Precision miniature radial ball bearing
  • Suitable for instruments, small motors, medical and dental equipment, robotics, RC models and electronics
Brand

MBA
Bearing Type

Miniature Ball Bearing
Series

634
Inner Diameter (Bore)

4 mm
Outer Diameter

16 mm
Width

5 mm
Seal Type

Shielded (ZZ)
Material

Stainless Steel (AISI 440C)
Configuration

Non-Flanged
Precision Grade

ABEC 1
Lubrication

Economy Grade
Features & Benefits Available in AISI 440C stainless steel or SAE 52100 chrome steel
Cross-referenced to equivalents from NSK, NMB, SKF, GRW, Koyo, EZO and more
Manufactured to ABEC / ISO precision standards
Precision miniature radial ball bearing
Suitable for instruments, small motors, medical and dental equipment, robotics, RC models and electronics

S634-ZZ-ECO Miniature Ball Bearing

The S634-ZZ-ECO is a precision miniature radial ball bearing, with a 4mm bore, 16mm outside diameter and 5mm width. It features metal shields on both sides (ZZ) for low-friction dust protection, and is manufactured from corrosion-resistant AISI 440C stainless steel.

Miniature ball bearings are widely used in instruments, small electric motors, medical and dental handpieces, robotics, model engineering and precision electronics where compact size and smooth high-speed rotation are essential.

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