Marking:

JM714249/JM714210 (ABMA and new ISO 355);
JM714249 - inner ring with separator;
JM714210 - outer ring
According to GOST, there is no analogue

Construction:

   The bearing consists of two cages (inner and outer) and rolling bodies (conical rollers) connected by a separator. The design of tapered roller bearings is suitable for receiving combined (radial and axial) loads. Tapered roller bearings have a removable design: the inner ring with rollers and a separator make up a block that can be mounted separately from the outer ring.
   The bearing belongs to the "J-line" series of inch bearings, but with metric dimensions

Features:

Single-row tapered roller bearing;
Metric dimensions;
Series medium (Medium)