Home Bearings Ball Bearings Miniature SFR144-D28-ZSO Miniature Ball Bearing Flanged 3.175×6.35×2.381mm
SFR144-D28-ZSO Miniature Ball Bearing Flanged 3.175x6.35x2.381mm
SFR144-D28-ZSO

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MBA

SFR144-D28-ZSO Miniature Ball Bearing Flanged 3.175×6.35×2.381mm

Part Number: SFR144-D28-ZSO
Inner Diameter (Bore) 3.175 mm
Outer Diameter 6.35 mm
Width 2.381 mm
Seal Type Open

SFR144-D28-ZSO miniature flanged radial ball bearing. 3.175mm bore x 6.35mm OD x 2.381mm width. Open. 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

Dental
Inner Diameter (Bore)

3.175 mm
Outer Diameter

6.35 mm
Width

2.381 mm
Seal Type

Open
Material

Stainless Steel (AISI 440C)
Configuration

Flanged
Precision Grade

ABEC 1
Flange Outer Diameter (DF)

7.518 mm
Flange Width (BF)

0.584 mm
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

SFR144-D28-ZSO Miniature Ball Bearing

The SFR144-D28-ZSO is a precision miniature flanged radial ball bearing, with a 3.175mm bore, 6.35mm outside diameter and 2.381mm width. It features an open (unshielded) design for minimal friction and easy lubrication, and is manufactured from corrosion-resistant AISI 440C stainless steel.

Flange outside diameter (DF): 7.518mm. Flange width (BF): 0.584mm.

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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