|Dimensions - d (inside diameter)||17mm|
|Dimensions - D (outside diameter)||40mm|
|Dimensions - B (width)||12mm|
Original Enduro bike bearing 17mm inside x 40mm outside x 12mm width
The entry standard for Enduro bearings. Enduro's ABEC 3 bearings offer improved quality and performance over ABEC 1 bearings fitted by many OE manufacturers. Only the finest cycling components come standard with Enduro's ABEC 3 bearings. With hardened chromium steel races, balls, and tough riveted steel retainers, these bearings are durable and the perfect low cost performance upgrade.
Grade 10 Chromium Steel Balls:
High precision balls are within 10/1,000,000" round, twice as round as the industry standard, at it's highest level.
52100 High Carbon Chromium Alloy Races:
Vacuum de-gassed process for the purest chromium alloy steel, hardened to R-62, extremely tough and very durable. Polished to a mirror finish for ABEC-3 precision and noiseless movement.
Riveted Steel Retainer for toughness, ABEC-3 tolerances and noise tested, C-3 or C-N Internal Clearance.
Bearing Code: 6203
Dimensions: 17 x 40 x 12mm
Grease: Mobile HP 222
Application: Hubs, Bottom Brackets