Big Round

The Big Round from M.N. Auto Products Pvt. Ltd. is an automotive spare part bearing part number 2111, manufactured from chrome steel (GCr15) or carbon steel at the company's facility in Coimbatore, Tamil Nadu. The component serves as a heavy-duty round bearing or gasket element in vehicle assembly and aftermarket replacement, with OE compatibility across Asian and European automobile models. The GCr15 chrome steel variant offers typical hardness of 60-65 HRC and standard dimensional stability under cyclic load, while the carbon steel option provides a cost-optimised alternative for less demanding duty cycles.

Material selection follows established automotive bearing conventions. GCr15, a standard 1% carbon-chromium through-hardening steel, contains 1.3-1.6% chromium for improved wear resistance and fatigue life. Carbon steel grades typically fall within AISI 1045-1055 specifications, with lower alloy content reducing unit cost at some expense to corrosion resistance and maximum operating temperature. Both variants undergo standard spheroidising annealing before final machining to achieve the uniform carbide distribution required for consistent fatigue performance. Typical heat treatment includes austenitising at 840 degrees C, quenching in oil, and tempering at 160-200 degrees C to target hardness.

Primary applications include OEM vehicle assembly lines, authorised service centre networks, and independent aftermarket distributors serving passenger car and light commercial vehicle segments. Importers should confirm the exact steel grade, dimensional tolerances (typically ISO 492 for radial bearings or OEM drawing specifications), and any surface treatment such as phosphate coating or rust preventative oil. The Coimbatore location offers established automotive component manufacturing infrastructure with access to Chennai and Tuticorin ports for export shipment.

M.N. Auto Products Pvt. Ltd. operates from 5/644 C, Somayampalayam, Kanuvai Post, Thadagam Road, Coimbatore 641108, Tamil Nadu, India. The company holds a harbor trust tier on the marketplace, though its response rate currently shows 0.00% with zero average response hours recorded. This profile does not indicate verification of specific quality management system certifications, export licence details, or annual production capacity for the Big Round part number 2111.

The listing presents M.N. Auto Products as a manufacturer of automotive spare parts with established OE compatibility for Asian and European markets. The supplier's address places it within Coimbatore's dense automotive component manufacturing cluster, a region with historical strength in precision engineering and engine component supply. No information is provided about workforce size, year of establishment, specific OEM customer relationships, or in-house testing capabilities such as dimensional inspection, metallurgical analysis, or fatigue testing equipment. Buyers should verify the supplier's IATF 16949 certification status, production tooling for part 2111, and sample approval process before committing to volume orders.