Home Bearings Ball Bearings Miniature SWR144A-ZZS-MC3 Miniature Ball Bearing 3.175×6.35×2.779mm
SWR144A-ZZS-MC3 Miniature Ball Bearing 3.175x6.35x2.779mm
SWR144A-ZZS-MC3

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MBA

SWR144A-ZZS-MC3 Miniature Ball Bearing 3.175×6.35×2.779mm

Part Number: SWR144A-ZZS-MC3
Inner Diameter (Bore) 3.175 mm
Outer Diameter 6.35 mm
Width 2.779 mm
Seal Type Shielded - Removable (ZZS)
Clearance MC3

SWR144A-ZZS-MC3 miniature radial ball bearing. 3.175mm bore x 6.35mm OD x 2.779mm width. Shielded – Removable (ZZS). 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

WR144A
Inner Diameter (Bore)

3.175 mm
Outer Diameter

6.35 mm
Width

2.779 mm
Seal Type

Shielded – Removable (ZZS)
Material

Stainless Steel (AISI 440C)
Configuration

Non-Flanged
Precision Grade

ABEC 1
Clearance

MC3
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

SWR144A-ZZS-MC3 Miniature Ball Bearing

The SWR144A-ZZS-MC3 is a precision miniature radial ball bearing, with a 3.175mm bore, 6.35mm outside diameter and 2.779mm width. It features removable metal shields on both sides (ZZS) allowing cleaning and re-lubrication, 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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