71902 LLB Enduro Bottom Bracket Bearing 15mm x 28mm x 7mm Closed SKF 61844MA is a high-performance

SKF 61844MA is a high-performance deep groove ball bearing

Static load - 1438lbf / 6

D a max 50

Bore: 30mm

Outer: 115mm

71902 LLB Enduro Bottom Bracket Bearing 15mm x 28mm x 7mm Closed SKF 61844MA is a high-performanceEnduro's ABEC 5 is the next performance step up from the popular ABEC 3 range. By using military level, high precision HRC 64 hardended Grade 5 Chromium Steel Balls, and 52100 High Carbon Chromium Alloy mirror polished races. This combination allows Enduro's ABEC 5 bearings to use tolerances twice as tight as ABEC 3, and operate without any noise. The Graphite Nylon ball retainers allow virtually frictionless movement and provide constant lubrication