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GATES BX 45 Heavy-Duty Spherical Roller Bearing - 45x85x31mm | High Misalignment Tolerance

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Marca: GATES
Product Category: Spherical Roller Bearing

Product Details

Brand: GATES
GATES BX 45 Heavy-Duty Spherical Roller Bearing - 45x85x31mm | High Misalignment Tolerance

The GATES BX 45 Spherical Roller Bearing (SRB) is engineered for the most demanding industrial applications where reliability under extreme load and misalignment is critical. Featuring two rows of rollers, a high-strength precision-machined brass cage, and optimized internal geometry, the BX 45 delivers superior load carrying capacity (120 kN dynamic) and exceptional shock resistance. Its proprietary high-carbon chrome steel formulation ensures extended fatigue life even in continuous operation environments. Designed to self-align, this bearing compensates dynamically for shaft deflection and mounting inaccuracies, drastically reducing localized stress points and premature failure often associated with heavy vibration. Positioned as the premium solution for maximizing uptime and minimizing total cost of ownership (TCO), the BX 45 is essential for critical machinery in aggregates, mining conveyors, pulp and paper, and heavy manufacturing gearboxes. Its robust design allows for optimal lubrication flow and retention, translating directly into extended maintenance cycles. Specify the GATES BX 45 for applications requiring high rigidity, reliable performance in contaminated environments, and best-in-class operational longevity.

Key Features

  • High-Strength Machined Brass Cage: Ensures optimal roller guidance and improved performance under high temperatures and vibration.
  • Self-Aligning Capability: Accommodates up to 2 degrees of static or dynamic angular misalignment without loss of performance.
  • Proprietary Steel Alloy: Utilizes premium high-carbon chrome bearing steel for maximized fatigue life and durability.
  • Optimized Roller Profiling: Minimizes edge stresses, extending operational life in extreme load conditions.
  • Through-Hardened Races: Provides maximum resistance against abrasive contamination and localized wear.

Technical Specifications

d45 mm (Bore Diameter)
D85 mm (Outer Diameter)
B31 mm (Width/Height)
Bearing_TypeSpherical Roller Bearing (SRB)
SeriesBX 45
Dynamic_Load_Rating_C120 kN
Static_Load_Rating_Co110 kN
Limiting_Speed5,600 RPM (Grease Lubrication)
Weight0.95 kg