B7013-C-2RSD-T-P4S Angular Contact Ball Bearing_Ball Bearing,Roller Bearing,Pillow Block Bearing

B7013-C-2RSD-T-P4S Angular Contact Ball Bearing
SEMRI B7013-C-2RSD Precision Bearing

Brand	=	Semri
Manufacturer Part Number	=	B7013-C-2RSD-T-P4S
Inside Diameter	=	65mm
Outside Diameter	=	100mm
Width	=	18mm
Contact Angle	=	15°
Precision Grade	=	P4S
Seals or Shields	=	Non Contact Seals
Clearance	=	CN = Standard Internal clearance
Cage Type	=	T = Outerring Guided Phenolic Cage

A detailed breakdown of application scopes and scenarios follows:
1. Miniature CNC Machine Tools & Ultra-High-Speed Spindles: When machining miniature parts—where tool diameters are often just a fraction of a millimeter—extremely high speeds of 30,000 to 45,000 RPM are essential to maintain the required cutting speed. High-precision miniature mold engraving spindles: Used for mirror-finish cutting of smartphone mid-frames, precision watch gears, and semiconductor carbide micro-molds; a 15° contact angle (C) ensures superior radial rigidity against oscillation. Lightweight dental milling spindles (digital dentistry): Used for the rapid milling of zirconia ceramic, resin, and titanium alloy prosthetics. High-frequency electric spindles and micro-milling heads: Industrial-grade, high-speed miniature drive spindles designed for extremely confined spaces.
2. Humanoid Robot Joints & Precision Actuators: In the cutting-edge field of humanoid robotics, these bearings provide indispensable support within compact spaces: Frameless brushless motor support: Supporting the rotors of frameless motors integrated into humanoid robot arm joints (e.g., wrists, elbows), these bearings require a minimal footprint, ultra-light weight (only 38g per unit), and high-precision rotation. Linear actuator servo support: Supporting the high-frequency reciprocating rotation of miniature planetary roller screws or ball screws in robotic leg or arm linear actuators; P4S-grade rotational precision ensures micron-level repeatability.
3. Electronics, Semiconductor & Micro-Automation: Semiconductor and electronics manufacturing equipment demands "high dynamic response, oil-free operation, and maintenance-free performance": High-speed rotating nozzles for semiconductor pick-and-place machines: Enabling rapid pickup and rotational alignment of micro-chips, these bearings feature ultra-low rotational inertia to meet the demands of frequent, instantaneous start-stop cycles (rapid acceleration and deceleration). High-speed PCB (Printed Circuit Board) precision drilling machines: Support continuous, high-speed operation with ultra-small drill bits (e.g., 0.1mm); 2RSD seals prevent epoxy resin dust and glass fiber debris from entering the raceway. Precision rotary stages for wafer dicing and inspection: Deliver nanometer-level trajectory repeatability during silicon wafer dicing and optical inspection.

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