ZEN S7200-B-2RS Schrägkugellager (10x30x9)

As an angular contact ball bearing, this bearing carries combined radial and one-directional axial loads and is often used in pairs. This ZEN bearing measures 10x30x9 mm and weighs 0.027 kg; the specification table carries the supplementary technical details. This variant features stainless steel. In an angular contact ball bearing the contact line between ball and raceway is inclined to the radial plane — hence its ability to transmit radial and axial load together.

The contact points on inner and outer ring do not face one another radially but are offset, so the line of force action runs through the bearing at an angle. This geometry allows radial and axial load to be transmitted at the same time, and it makes the position stiffer than a design whose line of action is radial. How much stiffer is settled only on assembly: what governs is the axial play resulting from fits, setting and thermal behaviour — from preload without play for high stiffness and close running accuracy to a defined residual play for heat-insensitive running.

The type tolerates misalignment within narrow limits only, because angular error walks the contact ellipse towards the raceway edge; seats must be aligned and accurate in form accordingly. The contact seal bears against its counterface and closes the rolling chamber against dust, splash water and wash-out; in return it raises frictional torque and limits permissible speed.

The stainless steel version is intended for damp, wet or chemically loaded surroundings and for applications demanding freedom from rust; its load ratings sit somewhat below those of standard bearing steel. The normal radial clearance recorded corresponds to the standard class and suits ordinary fits and temperature conditions. Contact seals on both sides (rubber lip seal) — Dimensional/form-fit equivalent — verify suffix-level details for critical applications. Matching suffixes are also listed by SKF (2RSH, 2RS1), FAG (2RSR), NSK (DDU), NTN (LLU) and NACHI (2NSE).