Timken QMCW15J215SEM Flanged Spherical Roller Bearing Housed Unit

Description:

The Timken QMCW15J215SEM housed unit is a heavy-duty piloted flange spherical roller bearing unit used to support rotating shafts while accommodating high radial loads in industrial power transmission systems. Commonly installed in conveyors, mining equipment, aggregate processing machinery, steel mills, pulp and paper equipment, and other heavy industrial applications requiring flange-mounted bearing support. Maintenance teams, OEMs, and system integrators use this housed unit for replacement, repair, retrofit, and equipment overhaul to restore reliable shaft support and reduce equipment downtime.

Applications:

The Timken QMCW15J215SEM is a solid-block piloted flange cartridge housed unit featuring a double-row spherical roller bearing with an eccentric locking collar and expansion (floating) design to accommodate shaft movement caused by thermal expansion. It is widely used in mining, material handling, cement plants, forestry, steel production, and other demanding industrial environments where high load capacity, contamination resistance, and dependable bearing performance are essential.

Technical Specifications:

• Manufacturer: Timken
• Manufacturer Part Number (MPN): QMCW15J215SEM
• Product Type: Spherical roller bearing housed unit
• Series: QMCW EC Series
• Housing Style: Piloted flange cartridge (4-bolt)
• Bearing Type: Double-row spherical roller bearing
• Bearing Number: 22215
• Shaft Size: 2-15/16 in
• Locking Style: Eccentric locking collar
• Expansion Type: Expansion (floating) bearing
• Housing Material: Cast steel
• Bore Type: Straight bore
• Bolt Circle Diameter: 7.50 in
• Pilot Diameter: 6.375 in
• Overall Flange Diameter: 8.75 in
• Dynamic Load Rating: 49,900 lbf (222 kN)
• Static Load Rating: 54,100 lbf (240 kN)
• Lubrication: Relubricatable grease fitting
• Maximum Speed: Up to 2,900 rpm (seal-dependent)

Common Replacements:

• Timken QACW15A215SEM
• Timken QVCW16V215SEM
• SKF FYRP 2-15/16 (interchange reference)