
Roller bearings in wire rod blocks are used to provide a secure and accurate mounting for axles, shafts, and bevel gears. They ensure low-friction, low-vibration rotation of these components. Customers all over the world rely on high-precision roller bearings from SMS group. So they can not only avoid downtimes but also guarantee the high quality and dimensional accuracy of their rolled products.
The greatest challenges for the roller bearings are the high speeds and dynamic loads in the wire rod blocks. With a rolling speed of up to 120 m/s and sudden peak loads during the initial pass, the roller bearings are subjected to extremely high forces. Depending on the form and temperature of the rolling stock, these initial peak loads may be more than twice the rolling force or mill torque. These considerable stresses reduce the service life of roller bearings significantly. Only stable, high-precision special bearings can accommodate the loads generated and enable long-term operation of the plant – just like SMS group‘s high-precision roller bearings, which have a DIN 620-compliant accuracy standard of P5 – P2 in respect of their parallelism and running accuracy.
Standard roller bearings, on the other hand, are only capable of bearing the forces generated for a short period of time, if at all, and will fail as a result of wear or material fatigue. This inevitably results in a cost and time-intensive plant shutdown.
SMS group high-precision roller bearings
are characterized by their:
1.Precision manufacturing to 0.001 mm
2.High degree of running accuracy, minimal wear
3.Solid cages made of brass/steel/bronze
4.High load-bearing capacity and speed suitability
5.Excellent rotational performance
6.with a steel or ceramic rolling element
Universal design (angular contact ball bearing)
Choice of X, O, or tandem arrangement
„Made in Germany“
Top quality with a strong partner
When it comes to manufacturing our high-precision roller bearings, we always put quality first. Schaeffler, which is based in Herzogenaurach in Germany and ranks as one of the market and technology leaders worldwide, manufactures precision bearings for the mechanical engineering and automotive sectors, as well as for the aerospace industry. The FAG brand represents over 120 years of outstandingly high-quality roller bearings. Engineers from both companies work closely on the development of SMS group‘s high-precision roller bearings. The roller bearings are continually improved and adapted to market requirements, and the model series is subject to ongoing expansion. The special bearings are manufactured in Europe by Schaeffler exclusively for SMS group, thus ensuring consistently high quality standards. All quality-related processes, such as the grinding of the inner and outer races for example, are carried out at Schaeffler. This is one of the main reasons that the bearings are setting standards in terms of speed, accuracy, and service life.
It is this kind of quality that impresses – like SMS group products, FAG products from Schaeffler are the number one choice of customers all over the world. Whether it’s bearings for aerospace applications, car
wheel bearings, large-diameter bearings with an outside diameter of over four meters, or high-precision roller bearings for wire rod blocks too.

