71901 LLB Enduro Bottom Bracket Bearing 12mm x 24mm x 6mm Shields the 51-15 Simplex Taper Lock

the 51-15 Simplex Taper Lock Sprocket offers long service life

Da max - Max shoulder diameter OR 213 mm

25/32 inch

The NUP217EJ bearing is widely used in machinery and equipment where a combination of radial and limited axial loads is present

Cage Non-metallic

71901 LLB Enduro Bottom Bracket Bearing 12mm x 24mm x 6mm Shields the 51-15 Simplex Taper LockEnduro'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