• The Roller Bearing Company

Miniature And Extra Small Bearings

The Roller Bearing Company (Madras) is authorised importer of NTN brand bearings and pillow blocks. With an experience spanning nearly 4 decades, the company has attained a prominent position in the industry. It supplies bearings to many leading companies in automotive, cement, paper, fertilizer, petrochemical, steel, power and other industrial segments. The company offers Miniature and Extra Small Bearings. The dimensional range of miniature and extra small ball bearings are: miniature ball bearings – nominal outer diameter D<9 mm; extra small ball bearings – nominal bore diameter d<10 mm, nominal outer diameter D?9 mm; boundary dimensions for both metric and inch systems are in accordance with the internationally specified ISO and ANSI/ABMA standards; the most widely used sealed and shielded type ball bearings have a 1–2 mm wider width dimension than open type bearings; bearings with snap rings, which simplify the bearing housing construction and design, have also been serialised and are listed in dimension tables; and among the most generally used sealed and shielded bearings are standard ZZ and ZZA type which incorporate non-contact steel shield plates.