INA 81234-M

Schaeffler INA 81234-M Cylindrical Roller Thrust Bearing Description The Schaeffler INA 81234-M is a single-direction cylindrical roller thrust bearing designed for high-load capacity and high axial stiffness. This bearing is ideal for applications requiring the support of heavy axial loads. The -M suffix indicates a machined brass cage, which provides enhanced durability and performance. This product is new old stock, supplied in its original manufacturer packaging. Specifications Manufacturer: Schaeffler (INA) Part Number: 81234-M Type: Cylindrical Roller Thrust Bearing Bore Diameter (d): 170 mm Outside Diameter (D): 250 mm Height (H): 67 mm Cage Material: Brass Label Info Part Number: 81234-M EAN: 4047643178563 Order Code: 10003703 Application Suitable for use in heavy industrial equipment such as crane hooks, vertical water turbine generators, and large gearboxes where robust axial support is critical. Country of Origin Made in Germany. CO2 Impact Choosing this surplus bearing over a new one avoids approximately 24.36 kg of CO2 emissions associated with new manufacturing. Availability In stock and ready for immediate dispatch. Order now from profideals for expert support and fast delivery. FAQ What are the main applications for the INA 81234-M bearing? This bearing is designed for heavy axial loads and high shock loads in one direction. It’s commonly used in applications like crane hooks, vertical water turbine generators, and heavy-duty industrial gearboxes where high axial stiffness is required. What is the significance of the ‘-M’ suffix in 81234-M? The ‘-M’ suffix in Schaeffler INA bearings typically denotes a machined brass cage. Brass cages offer superior strength and are suitable for high-speed applications and can withstand higher temperatures compared to standard steel or polyamide cages. Are any special mounting procedures required for this type of thrust bearing? Yes, cylindrical roller thrust bearings like the 81234-M consist of separate components (shaft washer, housing washer, and roller/cage assembly). It’s crucial to ensure all components are mounted in the correct sequence and are adequately lubricated before operation. The shaft and housing washers must be supported across their entire face to prevent premature failure. Last Update: Friday, March 13, 2026 profideals is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners.