Ei 15

Updated October 6, 2026

Overview

Product sourcing insights & recommendations

48 来源

The term 'EI 15' primarily refers to three distinct industrial product categories, each with specific market dynamics and technical requirements.

1. EI 15 Series Rod End Bearings

In mechanical engineering, EI 15 refers to a specific size of rod end bearing within the Dimensional Series E (metric series).

Specifications: These components typically feature a 15mm internal diameter and are designed for high multidirectional loads in limited fitting spaces Albeco Cgb.
Market Insights: The market for these bearings is driven by industrial automation and heavy machinery maintenance. Key manufacturers like FLURO (Germany) set the standard, with direct interchanges available from global brands like SKF (SI 15 ES) and INA (GIR15-DO) Albeco. Sourcing is concentrated in manufacturing hubs like Nanjing and Shenyang, with prices ranging from $0.40 to $10.00 per unit depending on precision and material .

2. EI Series Power Transformers (15VA)

In electronics, EI 15 often denotes an EI-type transformer (laminated core) with a 15VA (Volt-Ampere) capacity.

Trends: The global distribution transformer market is projected to reach $43.35 billion by 2026 Eiliteelectric. There is a significant shift toward smart grid integration and high-efficiency amorphous core models that reduce energy loss Eiliteelectric.
Sourcing Dynamics: These are staple components for audio amplifiers and industrial power supplies. Suppliers in Wenzhou and Taoyuan dominate the B2B landscape, offering units between $1.70 and $8.00 .

3. EI 15 Fire Resistance Rating

In the building and construction sector, EI 15 is a regulatory classification for fire protection.

Meaning: "EI" stands for Integrity (E) and Insulation (I). A rating of 15 indicates that the system (door, window, or wall) can prevent the passage of flames and provide full thermal insulation for at least 15 minutes Sonarol Theinstaller.
Market Demand: While EI 30 is more common for residential use, EI 15 is frequently specified for specialized technical windows and light partition systems Sonarol. Since 2019, it is compulsory for external fire-rated doorsets in the EU/UK to carry CE marking according to BS EN 16034 Theinstaller.

I have compiled detailed sourcing lists for these categories, which you can access in the files below.

I have identified three distinct product categories for 'EI 15'. You can continue by:

Sources & References

48 sources cited · Verified industry data & reports

EI 15 FLURO - Rod end, zinc plated

Albeco

EI 15 FLURO ; dimensions, 15 x 0 x 12 ; Weight, 0.165 kg ; A - rod end outer diameter [mm], 40 ; additional description, Rod Ends with female thread with steel on ...

EI 15 W Drahtverbindungstransformator 15 VA AC 220 V/380 ...

Amazon.de

EI 15 W Drahtverbindungstransformator 15 VA AC 220 V/380 V/110 V auf Ausgang AC 6 V/9 V/12 V/15 V/18 V-110 V (110 V Einzelausgang, AC6 V).

EI 15 (-2RS)

CGB - Precision Products

EI 15 (-2RS). Narrow Rod Ends Series E. Rod End with female left thread. For use at high multidirectional loads and limited fitting locations.

Carrier Panels System - Metal Solutions - UK.COM

Metal Solutions

This product is available as standard in a ... This product is equipped with an FM approval hard foam core. ... > 100. EI 15. EI 15. -. 4.000. -. EI 20. -. 4.000. > ...

EI 15 M12 FLURO - Rod end, zinc plated

Albeco

EI 15 M12 FLURO ; housing material, carbon steel C45 / 1.0503 / AISI1045 ; manufacturer, FLURO ; thread, M12 ; type, Rod end ; product feature, zinc plated.

MB-60E EI | Technical windows | Fire protection systems

Sonarol

Easy and quick product prefabrication. The designs based on MB-60E EI can be rated for resistance to fire at EI 15 or EI 30, ref. PN-EN 13501- ...