Timken LM522549-90053 Precision Tapered Roller Bearing

Description:

The Timken LM522549-90053 precision tapered roller bearing assembly is a matched TDO (Tapered Double Outer) bearing consisting of two LM522549 cones (inner ring assemblies) and one LM522510D double cup (outer ring), factory assembled to provide controlled internal clearance and support heavy combined radial and axial loads. Commonly installed in industrial gearboxes, conveyors, mining equipment, construction machinery, agricultural equipment, and power transmission systems, this double-row tapered roller bearing assembly delivers excellent shaft rigidity, precise alignment, and long service life in demanding industrial applications. Maintenance teams, OEMs, and system integrators specify the Timken LM522549-90053 assembly for equipment repair, replacement, machine rebuilds, and retrofits where factory-matched components ensure reliable performance and simplified installation.

Applications:

The Timken LM522549-90053 TDO tapered roller bearing assembly is engineered for heavy-duty industrial machinery operating under high combined radial and thrust loads. It is widely used in industrial gear reducers, heavy-duty conveyors, mining and aggregate equipment, construction machinery, agricultural equipment, and power transmission systems where the matched double-row bearing assembly provides accurate shaft positioning, efficient load distribution, and extended operating life in fixed or floating bearing positions.

Technical Specifications:

• Manufacturer: Timken
• Manufacturer Part Number (MPN): LM522549-90053
• Product Type: Double tapered roller bearing assembly
• Bearing Type: TDO (Tapered Double Outer)
• Series: LM522500
• Design Series: TDO
• Cone Part Number: LM522549 (2 pieces)
• Cup Part Number: LM522510D
• Bore Diameter: 4.3302 in (109.987 mm)
• Outside Diameter: 6.2987 in (159.987 mm)
• Width: 2.9375 in (74.613 mm)
• Cone Width: 1.3750 in (34.925 mm)
• Double Cup Width: 2.3125 in (58.738 mm)
• Cage Type: Stamped steel
• Material: High-grade bearing steel
• Load Type: Combined radial and axial loads
• Dynamic Rating: 52,200 lbf (232,000 N)
• Static Rating: 80,300 lbf (357,000 N)
• Dynamic Axial Rating: 9,300 lbf (41,400 N)
• Weight: Approximately 20.8 lb (9.4 kg)
• Compatible Cone/Cup: Two Timken LM522549 cones with Timken LM522510D double cup only

Common Replacements:

• Timken LM522549-90053 bearing assembly
• Timken LM522549/LM522510D TDO assembly
• SKF equivalent TDO tapered roller bearing assembly