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Overview

What Is the Enduro ABEC-3 24x37mm Radial Bearing Used For?

The Enduro ABEC-3 Radial Bearing in the 24mm x 37mm x 7mm dimension is a precisely manufactured cartridge bearing built to ABEC-3 tolerance standards for bicycle applications requiring this specific geometry. Mobilux NGLI 2 synthetic grease fills 90% of the bearing interior, providing consistent lubrication across temperature ranges and resisting washout in wet conditions. Dual-lip labyrinth seals keep contaminants out while retaining grease inside, giving the bearing solid durability through real-world riding conditions.

When a bearing you are replacing carries no visible manufacturer number, the correct approach is to measure the dimensions and match to spec, and this bearing covers a less-common but necessary size that appears in select bottom bracket, crank, and hub applications. Enduro's standard design bearings are trusted by shops and home mechanics across the country as reliable, correctly-spec replacements for worn components. If 24mm x 37mm x 7mm is the size your build calls for, this is the bearing to order.

All the specs

MPN BB MR 2437 LLB-BAG

Inner Diameter
24mm
Outer Diameter
37mm
Width
7mm
Tolerance
ABEC-3
Series
Standard Design
Seal Type
Dual-lip labyrinth
Grease
Mobilux NGLI 2 synthetic (90% fill)
Application
BB, cranks, select hub applications

FAQ

Good questions

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What does ABEC-3 tolerance mean for a bearing?

ABEC-3 refers to the Annular Bearing Engineers Committee tolerance grade. It defines precision standards for dimensional accuracy and runout. For most bicycle applications, ABEC-3 provides excellent consistency and smooth rotation at a practical price point.

How do I find out if this bearing fits my component?

If the bearing you are replacing has no visible part number, measure the inner diameter, outer diameter, and width with calipers. If those measurements are 24mm x 37mm x 7mm, this is your bearing.

How long will this bearing last with normal maintenance?

Service life depends heavily on riding conditions and how well the component is kept clean and dry. With regular inspection and proper installation, an Enduro bearing in a well-protected application like a BB should last a full season or more of hard riding.

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