TIMKEN J93129A tapered roller bearing cup

TIMKEN J93129A belongs to tapered roller bearing cup, 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 J93129A and any equivalents.

The TIMKEN J…A series tapered roller cup is the separable outer ring of a tapered roller bearing. It is press-fitted into the housing and provides the raceway for the rollers and cone. Designed for equipment with combined radial and axial loads, it requires precise alignment. MR Industrial Accessories supplies this cup to customers across the United States and Latin America.

The J…A designation follows a logical structure: the letter J denotes a family of tapered cups, the following number indicates the size, and the final A identifies a design variant. For instance, J93129A is a cup from this series with specific dimensions. Each code corresponds to a cone-cup assembly; the cup and cone are ordered separately and must match the same assembly to ensure proper contact.

These cups are found in gearboxes, drive shafts, road machinery rollers, crushing equipment, mills, pumps, and industrial fans—applications involving combined radial and axial loads. The cup mounts in the housing, while the cone fits on the shaft. Together they handle significant forces and allow axial clearance to be adjusted during assembly.

Selecting the correct cup requires the complete assembly code and the series of the mating cone. Installation demands cleanliness, alignment between shaft and housing, and lubrication suited to the speed and operating temperature. Effective sealing prevents contaminant entry, which is critical in dusty or humid environments. Axial clearance is set with shims, nuts, or spacers; too tight accelerates wear, while too loose causes vibration.

Tapered roller cups carry the manufacturer's code and often have cross-brand equivalents, but they are not interchangeable between different series. When replacing a cup, compare the complete code, dimensions, and contact angle. In a tapered roller bearing, the cup and cone of the same assembly are designed as a pair; mixing components from different manufacturers can alter contact and reduce service life. If you need an alternative, contact us with the original code.

To request a quote for a TIMKEN J…A series tapered roller cup, send the exact code via WhatsApp or email to MR Industrial Accessories. We will respond promptly and suggest a compatible alternative if available. Our team can also advise on the mating cone and mounting accessories.