Home Bearings Ball Bearings Miniature SFR2-5A-ZZ-MC3 Miniature Ball Bearing Flanged 3.175×7.938×3.571mm
SFR2-5A-ZZ-MC3 Miniature Ball Bearing Flanged 3.175x7.938x3.571mm
SFR2-5A-ZZ-MC3

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MBA

SFR2-5A-ZZ-MC3 Miniature Ball Bearing Flanged 3.175×7.938×3.571mm

Part Number: SFR2-5A-ZZ-MC3
Inner Diameter (Bore) 3.175 mm
Outer Diameter 7.938 mm
Width 3.571 mm
Seal Type Shielded (ZZ)
Clearance MC3

SFR2-5A-ZZ-MC3 miniature flanged radial ball bearing. 3.175mm bore x 7.938mm OD x 3.571mm 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

FR2-5A
Inner Diameter (Bore)

3.175 mm
Outer Diameter

7.938 mm
Width

3.571 mm
Seal Type

Shielded (ZZ)
Material

Stainless Steel (AISI 440C)
Configuration

Flanged
Precision Grade

ABEC 1
Clearance

MC3
Flange Outer Diameter (DF)

9.119 mm
Flange Width (BF)

0.787 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

SFR2-5A-ZZ-MC3 Miniature Ball Bearing

The SFR2-5A-ZZ-MC3 is a precision miniature flanged radial ball bearing, with a 3.175mm bore, 7.938mm outside diameter and 3.571mm width. It features metal shields on both sides (ZZ) for low-friction dust protection, and is manufactured from corrosion-resistant AISI 440C stainless steel.

Flange outside diameter (DF): 9.119mm. Flange width (BF): 0.787mm.

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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