Home Bearings Ball Bearings Miniature SFR4-MC3 Miniature Ball Bearing Flanged 6.35×15.875×4.978mm
SFR4-MC3 Miniature Ball Bearing Flanged 6.35x15.875x4.978mm
SFR4-MC3

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MBA

SFR4-MC3 Miniature Ball Bearing Flanged 6.35×15.875×4.978mm

Part Number: SFR4-MC3
Inner Diameter (Bore) 6.35 mm
Outer Diameter 15.875 mm
Width 4.978 mm
Seal Type Open
Clearance MC3

SFR4-MC3 miniature flanged radial ball bearing. 6.35mm bore x 15.875mm OD x 4.978mm 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

FR4
Inner Diameter (Bore)

6.35 mm
Outer Diameter

15.875 mm
Width

4.978 mm
Seal Type

Open
Material

Stainless Steel (AISI 440C)
Configuration

Flanged
Precision Grade

ABEC 1
Clearance

MC3
Flange Outer Diameter (DF)

17.526 mm
Flange Width (BF)

1.067 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

SFR4-MC3 Miniature Ball Bearing

The SFR4-MC3 is a precision miniature flanged radial ball bearing, with a 6.35mm bore, 15.875mm outside diameter and 4.978mm 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): 17.526mm. Flange width (BF): 1.067mm.

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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