FAG BAX190-F-T-P4S-DBL super precision bearing

FAG BAX190-F-T-P4S-DBL belongs to super precision bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for BAX190-F-T-P4S-DBL and any equivalents.

FAG BAX series super precision bearings are built for applications that demand extremely high accuracy and stiffness, where even minor runout or thermal drift can compromise performance. They are commonly found in machine tool spindles, rotary tables, and measuring heads. MR Industrial Accessories LLC supplies this line and can help you identify the correct variant from the complete part number.

The part number follows a logical structure. The prefix BAX denotes the super precision series, followed by a size indicator such as BAX50, BAX60, or BAX80. The trailing characters carry specific meaning: F and T relate to the design and cage or execution details, P4S marks the precision class, and DBL specifies the bearing arrangement. Because these suffixes define how the bearing is mounted and loaded, two codes that appear almost identical may serve different purposes. For example, BAX55-F-T-P4S-DBL and BAX70-F-T-P4S-DBL share the same execution but differ only in size.

In US and international facilities, these bearings appear in spindles for milling, grinding, and machining centers, as well as in rotary tables for CNC equipment and in metrology instruments where repeatability is critical. They are also used in high-speed grinding heads and in setups that combine axial and radial loads with high rigidity demands. Industries such as automotive parts, metalworking, and tool and die manufacturing rely on them, where spindle downtime is expensive.

Selecting the right bearing starts with the arrangement. The paired suffixes tell you how the bearings are combined and what loads each one handles. The P4S precision class should match the runout accuracy your spindle requires, not be chosen by habit. During installation, ensure proper alignment of the housing and shaft, set axial clearance correctly, and lubricate appropriately—oil or grease depending on speed, in the correct amount to prevent temperature rise. Even a poorly selected seal can compromise precision before the bearing itself fails.

Cross-referencing between manufacturers is based on dimensions and precision class, not on the commercial code. A bearing from another brand may have identical dimensions and accuracy level, but the arrangement, cage, and clearance can differ. Always compare drawings and verify the complete mounting before substituting. The best alternative is determined by the actual dimensions and application, not by a generic interchange table.

If you have the bearing code, the spindle drawing, or a photo of the nameplate, send it to MR Industrial Accessories LLC via WhatsApp or email. With that information, we can identify the BAX series variant you need and provide a quote promptly.