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RBC B 40 SA Precision Thin Section Angular Contact Ball Bearing | High Rigidity & Low Torque

335.00 335.00

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Marca: RBC
Product Category: Angular Contact Ball Bearing

Product Details

Brand: RBC
RBC B 40 SA Precision Thin Section Angular Contact Ball Bearing | High Rigidity & Low Torque

The RBC B 40 SA is an engineering-grade thin section bearing designed for applications where high running accuracy, minimum cross-sectional area, and lightweight construction are paramount. Constructed from premium 52100 bearing steel and manufactured to ABEC 5 (ISO P5) precision standards, this angular contact bearing features high-quality raceway finishing and precise geometric conformity. The Type A internal design maximizes the effective load capacity for combined radial and axial forces, making it an ideal choice for complex load environments such as robotic joints, high-speed scanners, and precision medical equipment. Its inherently narrow cross-section and light weight dramatically reduce rotational inertia, allowing for faster acceleration/deceleration cycles and improved dynamic response in high-frequency operations. Optimized for maximum stiffness and minimal friction loss, the B 40 SA ensures predictable, long-life performance in critical industrial systems. This bearing provides exceptional system rigidity, which is essential for maintaining accuracy in precision indexing tables and gearing systems where even micron-level deflection is unacceptable. Choosing the RBC B 40 SA means investing in reduced maintenance cycles, superior operational reliability, and enhanced machine uptime. It is specifically engineered to replace heavier standard bearings without sacrificing load capacity or stability, offering a reliable, high-performance solution for demanding high-tech machinery globally.

Key Features

  • Manufactured to ABEC 5 (ISO P5) precision standards for exceptionally smooth operation and high running accuracy.
  • Significantly reduced rotational inertia and weight, allowing for faster machine cycle times and energy efficiency.
  • Angular contact (Type A) geometry maximizes capacity for combined radial and axial loads, enhancing versatility.
  • Minimized cross-section helps achieve compact system designs without compromising load performance.
  • Ideal for demanding applications in defense, aerospace, medical imaging, and automated indexing systems.
  • Premium 52100 bearing steel construction ensures superior wear resistance and extended service life.

Technical Specifications

part_numberB 40 SA
d4.0000 in (101.6 mm)
D4.7500 in (120.65 mm)
B0.3750 in (9.525 mm)
cross_section_typeThin Section Deep Groove/Angular Contact (Type A)
material52100 Bearing Steel
precision_classABEC 5 / ISO P5
seal_typeOpen (Non-Sealed)
dynamic_load_rating_Cr3,450 lbs
static_load_rating_C0r4,400 lbs
max_speed_grease_lubrication15,000 RPM