Home Bearings Ball Bearings Miniature FR188A-ZZS-ECO Miniature Ball Bearing Flanged 6.35×12.7×4.762mm
FR188A-ZZS-ECO Miniature Ball Bearing Flanged 6.35x12.7x4.762mm
FR188A-ZZS-ECO

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MBA

FR188A-ZZS-ECO Miniature Ball Bearing Flanged 6.35×12.7×4.762mm

Part Number: FR188A-ZZS-ECO
Inner Diameter (Bore) 6.35 mm
Outer Diameter 12.7 mm
Width 4.762 mm
Seal Type Shielded - Removable (ZZS)

FR188A-ZZS-ECO miniature flanged radial ball bearing. 6.35mm bore x 12.7mm OD x 4.762mm width. Shielded – Removable (ZZS). Chrome Steel (SAE 52100).

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

FR188A
Inner Diameter (Bore)

6.35 mm
Outer Diameter

12.7 mm
Width

4.762 mm
Seal Type

Shielded – Removable (ZZS)
Material

Chrome Steel (SAE 52100)
Configuration

Flanged
Precision Grade

ABEC 1
Lubrication

Economy Grade
Flange Outer Diameter (DF)

13.894 mm
Flange Width (BF)

1.143 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

FR188A-ZZS-ECO Miniature Ball Bearing

The FR188A-ZZS-ECO is a precision miniature flanged radial ball bearing, with a 6.35mm bore, 12.7mm outside diameter and 4.762mm width. It features removable metal shields on both sides (ZZS) allowing cleaning and re-lubrication, and is manufactured from SAE 52100 high-carbon chrome bearing steel.

Flange outside diameter (DF): 13.894mm. Flange width (BF): 1.143mm.

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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