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Suitable solutions for every use of the rolling bearings


reliability, responsibility, intransigence

regarding the quality of our products


Trierra LTD was founded at the end of 1992, operating in the area of import and export of rolling bearings, and began its activity in an area of 40 sqm with 4 staff members, offering a nomenclature of 350 types of bearings.


Despite the harsh economic situation at the time, Trierra managed to hold its ground on the market and grow, becoming a reliable, responsible and uncompromising, regarding the quality, firm.


In order to maintain the quality of the products, which Trierra offers, the Laboratory Testing Complex was created in 2012 with the aim of providing control on quality indicators for the bearings delivered by approved suppliers.


Up to this day, Trierra continues to operate from a modernly equipped headquarters with a total area of 3 300 sq. m. and employs a staff of 50 people, 50% of whom with higher technical and economic education, highly qualified and ambitious professionals and workers.

Mission Statement

Our mission is for us to be a better distributor of rolling bearings than any other firm by the provision of high-quality products and innovative services, which are commensurated with the needs and wishes of our clients.

An image of the Quality Management System of Trierra LTD according to ISO 9001:2015

Firm Policy

Trierra’s management continues its policy of maintaining and continuously improving the embedded system for managing the quality, corresponding to the international standard ISO 9001:2015, as a tool for cementing the good name and reputation of the company, and focuses its activity on a policy of systematic and continuous improvement in all aspects of the activity of the entity.


The main aim of management is to keep the firm competitive in the market and to continuously increase its leading position.


A leading priority of Trierra LTD is to maintain good relationships with its partners (clients, suppliers and other interested parties), correctness in the relationships with them and a policy towards mutually beneficial partnership.


We continue to successfully offer appropriate solutions for every use of the rolling bearings, commensurate with the constructive requirements and differences of the various bearing units.

Industrial Bearings
Automotive Bearings
Oil Seals

Plovdiv, 4004
St. Byalo More 2

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