5201 Angular Contact Ball Bearings
| 5201 Angular Contact Ball Bearings | |||
|---|---|---|---|
| Part Number | 5201 | Ball Number | 20 |
| d | 12 | Ball Size | 4.762 |
| D1 | 32 | Dynamic Load Co(N) | 11000 |
| B | 15.9 | Static Load Cor(N) | 5800 |
| R | 0.6 | Grease Speed | 15000 |
| Weight(Kg) | 0.060 | Oil Speed | 20000 |
5201 Angular Contact Ball Bearing | Compact Double Row Precision Bearings
The 5201 angular contact ball bearing is a compact double-row precision bearing tailored for limited-space mechanical systems. Unlike standard large-size 5200 series bearings and single-row 7000 series models, this miniature double-row structure integrates dual sets of steel balls with optimized contact angle layout. It stably bears bidirectional axial loads and moderate radial loads simultaneously, featuring compact outer dimensions, low running noise and excellent structural stability. Designed for medium-speed, precision light-duty operation, the 5201 bearing is a key component for compact automated and electromechanical precision equipment.
Main Sealing Types And Practical Features
To adapt to diverse compact equipment operating environments, the 5201 bearing supports three mainstream sealing designs, balancing heat dissipation, dustproof performance and maintenance convenience:
Open Type: Tool-free lubrication structure with unobstructed internal air circulation. It delivers outstanding heat dissipation for continuous medium-speed operation, compatible with automatic oil lubrication systems. Ideal for clean, temperature-controlled indoor precision equipment with low dust pollution.
ZZ Metal Shield Seal: Precision stamped double-sided non-contact metal shields. It effectively blocks dry dust, fine particles and industrial debris without increasing rotational resistance. Suited for enclosed automated equipment and dry workshop environments requiring long-term stable operation.
2RS Rubber Contact Seal: Elastic double-sided rubber sealing structure with full perimeter fitting. It tightly isolates moisture, oil mist and fine corrosive particles, completely locking internal lubricating grease. This maintenance-free design is perfect for open, humid and dusty complex working scenarios.
Bearing Material Grades And Matching Applications
Chrome Bearing Steel: Standard industrial material for 5201 precision bearings, featuring uniform hardness and excellent anti-fatigue performance. It maintains stable precision under long-term composite load operation with high cost performance, widely used in small transmission devices, miniature fans, precision motors and general compact automation equipment.
304 Stainless Steel: Provides stable oxidation and rust resistance under conventional humid and dusty conditions. It retains consistent rotational accuracy for light-load operation, serving as an economical anti-corrosion option for civilian electromechanical devices and light industrial precision assemblies.
420 Stainless Steel: Integrates high hardness and mechanical toughness, resisting frequent start-stop wear and weak chemical corrosion. It ensures long-term precise and smooth rotation, ideal for optical instruments, detection sensors and portable precision machinery.
440C Stainless Steel: High-wear resistant stainless steel with superior mechanical stability in damp and mildly corrosive environments. It prevents precision failure and premature aging, suitable for light chemical miniature equipment and continuous-running precision automation parts.
316 Stainless Steel: High-grade anti-corrosion material with excellent salt spray and acid-base resistance. It adapts to harsh high-humidity and corrosive environments, perfect for miniature food processing equipment, marine precision accessories and laboratory testing devices.
Product Advantages And Industrial Application Fields
The 5201 compact double-row angular contact bearing boasts space-saving structure, bidirectional load capacity, low-vibration operation and high positioning accuracy. Flexible sealing and material options meet the environmental adaptation needs of various compact equipment. It is widely used in precision instrumentation, miniature automation equipment, small power machinery, optical devices, light industrial and food processing equipment, providing efficient, low-maintenance and high-precision bearing solutions for space-limited medium-speed mechanical systems.
