61903/29.5 SRS - ABEC 5

The Enduro Bearings 61903/29.5 SRS - ABEC 5 offers a significant upgrade in performance from the ABEC 3 series. These bearings feature high precision HRC-64 hardened Grade 5 Chromium Steel Balls and 52100 High-Carbon Chromium-Alloy mirror-polished races. This combination ensures tighter tolerances, twice as precise as ABEC 3, and operates quietly. The Graphite/Nylon ball retainers provide smooth movement and continuous lubrication, extending the bearing's lifespan.

• Bearing Code: 6903 (61903/29.5)
• Dimensions: 17mm x 29.5mm x 7mm
• ABEC: 5
• Grade: 5
• Seals: SRS
• Grease: Kyodo Yushi PS-2
• Application: Hubs, Bottom Brackets
• Weight: 15.03g

Choose the Enduro Bearings 61903/29.5 SRS - ABEC 5 for reliable and efficient performance in your cycling components.