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6302 Miniature Bearings: Precision Power for Demanding Global Applications
Engineered for exceptional performance in constrained spaces, the 6302 miniature bearing is the cornerstone of precision motion control across diverse industries worldwide. Representing the pinnacle of ultra miniature bearings technology, this deep groove ball bearing delivers unmatched reliability, smooth operation, and longevity where size and silence are critical.
Unrivaled Versatility Across Industries
The 6302 excels as a truly global solution, powering critical applications:
Automotive Innovation: Essential for silent operation and durability in electric power steering (EPS) motors, cooling fans, window regulators, and advanced sensors, enhancing vehicle comfort and efficiency.
Robotics & Automation: Provides the precise, low-friction rotation vital for robotic arm joints, servo motors, grippers, and CNC equipment, enabling complex, high-speed movements with minimal vibration.
Medical Technology Leadership: As a trusted ultra miniature bearing, it is indispensable in delicate, high-speed devices like surgical handpieces, dental drills, diagnostic equipment (centrifuges, scanners), and miniature pumps, demanding absolute sterility, silence, and reliability.
High-Speed Electronics & Consumer Goods: Drives silent cooling fans in servers and laptops, powers miniature motors in drones, cameras, and sophisticated office equipment requiring smooth, quiet operation.
Industrial Machinery: Ensures precision in control valves, small gearboxes, conveyors, and measurement instruments where space is limited but performance is non-negotiable.
Key Specifications
Parameter
Value
Notes
Design
Deep Groove Ball Bearing
Standard open type
Inner Diameter
15 mm
Outer Diameter
42 mm
Width
13 mm
±0.120mm tolerance
Dynamic Load (C)
~14.0 kN
Basic load rating
Static Load (Co)
~6.55 kN
Basic load rating
Max Speed (Grease)
~12,000 rpm
Dependent on conditions
Max Speed (Oil)
~15,000 rpm
Dependent on conditions
Material
Chrome Steel (GCr15/52100)
Standard, optional stainless steel
Cage
Steel Stamped or Nylon
Default steel, nylon for lower noise
ABEC Rating
ABEC 1, 3, 5, 7 or P0/P6
Standard ABEC 1 (P0), precision grades available
Competitive Advantages
Premium High-Speed & Low-Noise Performance: Advanced manufacturing techniques and stringent quality control ensure exceptionally smooth operation at high rotational speeds with minimal vibration and acoustic noise, meeting the most demanding "silent bearing" requirements for sensitive environments like medical facilities and quiet consumer products.
Enhanced Durability & Extended Service Life: Manufactured from high-purity chrome steel (standard) or corrosion-resistant stainless steel, featuring optimized raceway geometry and superior heat treatment, resulting in outstanding resistance to wear, fatigue, and premature failure. This ultra miniature bearing is built for longevity.
Robust Precision & Reliability: Consistent dimensional accuracy (available in ABEC/P0 to ABEC/P6 precision classes) guarantees stable running and precise positioning critical for robotics, medical devices, and automation systems. Rigorous testing ensures dependable performance under load.
Optimized for Miniaturization: As a premier example of ultra miniature bearings, the 6302 delivers maximum load capacity and performance within its compact 15x42x13mm envelope, enabling sleeker, more efficient designs across all target sectors globally. Its design is synonymous with space-saving power.
Global Compatibility & Versatility: Widely adopted standard size and design ensure easy integration and replacement within existing global supply chains. Available with various cage materials (steel or low-noise polymer) and optional seals/shields (ZZ, 2RS) for enhanced contaminant exclusion.
Commitment to Global Excellence
The 6302 miniature bearing is more than a component; it's a commitment to enabling the next generation of compact, high-performance technology on a worldwide scale. Whether driving innovation in medical robotics, ensuring silent comfort in luxury vehicles, or powering precision automation on factory floors across continents, its blend of compact dimensions, high-speed capability, whisper-quiet operation, and unwavering reliability sets the standard. Trust the 6302 ultra miniature bearing as the proven solution for applications demanding peak performance in the smallest possible footprint.
6302 Miniature bearings 6302 Miniature bearings, high-speed low-noise bearings, automotive bearings, silent bearings, robot bearings, and bearings specifically designed for medical devices
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2017
Total Annual:
>300000000
Employee Number:
>300
Ecer Certification:
Verified Supplier
Wuxi Douxin Measurement Technology Co., Ltd. specializes in the R&D, production, and sales of various precision specialty bearings under the LFK&LFB brand, including miniature low-noise bearings, flanged outer ring bearings, and non-standard bearings. Its main products include: small and min... Wuxi Douxin Measurement Technology Co., Ltd. specializes in the R&D, production, and sales of various precision specialty bearings under the LFK&LFB brand, including miniature low-noise bearings, flanged outer ring bearings, and non-standard bearings. Its main products include: small and min...