CeramicSpeed Deep Groove Ball Bearing 61903 17 mm x 30 mm x 7 mm

CeramicSpeed ball bearing bearing designation 61903 - Ceramic bearings for top performance

The CeramicSpeed deep groove ball bearing 61903 with the dimensions 17 mm x 30 mm x 7 mm convinces with extra-hard, super-smooth and heavy-duty ceramic bearing balls.

Specifications:

Dimensions (Inner x Outer x Width):

17 mm x 30 mm x 7 mm

Designation:

61903 (6903)

Models:

61903:

Design:

deep groove ball bearings

Tolerance:

ABEC 3

Recommended Use:

hubs, bottom brackets, headsets

Inner Race Material:

steel

Outer Race Material:

steel

Ball Material:

Ceramic

Features:

• high-performance bearings with special ceramic balls made of grade 3 silicon nitride (best achievable degree for ceramic bearings)
• CeramicSpeed bearing balls: 15% harder, 100% smoother and 99% more resilient than commercially available ceramic balls
• ball bearing retainer made of reinforced polyamide, race made of hardened steel with polished channel
• energy savings thanks to greatly reduced friction, higher top speed thanks to improved power transfer
• suitable for all disciplines: road, time trial, triathlon, track, cyclocross, MTB
• handmade in Denmark

Manufacturer Number:

101274

Contents:

• 1 x CeramicSpeed 61903 ball bearing