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Part Aria Niroo Panir Company
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Design and manufacture of various types of bearings and seals
Types of single, double and triple layer bearings plus labyrinth seals
Paanir products

Bearings in various sizes, ranging from 20 mm to 1000 mm in diameter for babbitt bearings and ranging from 20 mm to 500 mm for tri-metal bearings, constitute the product range of this company. Paanir Products include different types such as Journal, Thrust, Journal-Thrust, Journal & Thrust Tilting Pad, Damper Bearings, Aluminum Bearings and also material classifications including Mono-metal, Bi-metal, and Tri-metal. Additionally, the product line includes labyrinth seals for gas, air, and oil applications.

Thin-Wall Bearings

Damper Bearings

Labyrinth Seals

Bushing & Special Bearings

Tilting Pad Journal and Thrust Bearings

Tri-Metal Journal and Journal Thrust Bearings

about us

Part Aria Niroo Paanir Company

Since 2006, the company has been active in the fluid film bearing manufacturing industry. Over the years, by acquiring up-to-date knowledge, relying on the expertise of experienced personnel, and continuously updating its products, it has strived to take effective steps toward meeting the needs of various industries across the country.

Manufacturing a wide range of Mono-Metal, Bi-Metal, and Tri-Metal bearings, along with high-performance labyrinth seals.

Oil & Gas Refineries, Petrochemical Industries, Oil and Gas Production and Operation Units, Power Plant industries, Cement industries, Steel Industries, Iranian Oil Pipeline and Telecommunications Company, Railway industries, South Pars Gas Complex along with its Subsidiary refineries, Equipment Manufacturing Companies, …

Paanir departments
Engineering Design Unit

Bearing and seal design, along with reverse engineering of customer-specified parts

Research & development unit

Carried out in two areas, mechanical and materials engineering based on the defined projects within the unit.

Metallurgy Laboratory Unit

Evaluation of the chemical composition and mechanical properties of materials procured by Paanir Group.

Quality Assurance & Control Unit

Monitoring and control of raw materials through to the final product according to established processes.

Commercial & sales unit

Acting as the customer representative within Paanir Group, overseeing the process from purchase order to product delivery.

Production unit & production planning

Production of parts based on approved drawings and established processes.

Highlights of

Paanir projects

The latest content

All content

Education and articles

Aluminum Bearings

Aluminum bearings, due to their low weight, high mechanical strength, and excellent resistance to wear and corrosion, are among the most widely used types of bearings in internal combustion engines, industrial machinery, and heavy-duty equipment. These bearings are typically manufactured

Slide Bearing Layers

Layers for Sliding Contact Bearing . According to the number of the main functional bearing layers the bearings may be mono-metal (solid), bi-metal, tri-metal or multi-layer. Most of engine bearings are either bi-metal or tri-metal. Typical bearings layers and structures

Sliding Bearing Types based on the loads

Sliding Bearings classification based on the type of load carried. a) Journal or Radial bearings In radial bearings, the load acts perpendicular to the direction of motion of the moving element. b) Thrust or axial bearings A thrust bearing is

Babbitt Alloy (Bearing Alloy)

Babbitts (white metals): Composition: In this, there are two types. One is Lead-based Babbitt and the other is Tin-base babbitt. Lead-Base Babbitt: Pb-74%, Sn-10%, Sb-15%, Others-1% Tin-Base Babbitt: Sn-86%, Sb-7%, Cu-6% , Pb-1%, Advantages: They have excellent bondability, embeddability and

Material For Bearing Alloys

Commonly used materials for sliding contact bearings are: Tin Base Babbitt Lead Base Babbitt Lead Bronze Aluminum alloys Silver Lead deposited The various materials are used in practice depending upon the requirement of actual service conditions. The Choice of material

Bearing Materials and Their Properties

Bearings plays an important role in the applications where there is rotary motion. They reduce the friction between two mating parts and hence adjacently save the power. For the bearings to be effective, they should have the following desirable properties:

Sliding Contact Bearings – Advantages and Disadvantages

These bearings have certain advantages over the rolling contact bearings: 1. The design of the bearing and housing is simple. 2. They occupy less radial space and are more compact. 3. They cost less. 4. The design of shaft is

Sliding Bearnig

Slide bearings or plain, bearings encompass a range of mechanical components that go by various names but are generally grouped as fluid-film bearings, whose purpose is to reduce friction between rotating, reciprocating, or sliding surfaces such as shafts and stationary
Paanir Catalog
Paanir – A Short Introduction