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Miniature ball bearings play an essential role in compact, high-speed rotating systems. Среди них, the 696 серия (696ЗЗ / 696-2РС) is one of the most widely used micro deep groove ball bearings, known for its small size, stable performance, and long service life.
As a professional precision bearing manufacturer, NKMB provides high-quality 696 miniature ball bearings with excellent noise level, долговечность, and sealing performance that meet international standards.
1. 696 Bearing Size & Basic Parameters
| Parameter | Value |
|---|---|
| Внутренний диаметр (d) | 6 миллиметр |
| Наружный диаметр (D) | 15 миллиметр |
| Ширина (B) | 4.5 миллиметр |
| Структура | Single-row deep groove ball bearing |
| Серия | 696 |
These dimensions make the 696 bearing ideal for tight spaces, micro transmission systems, and high-speed rotating parts.
2. Types of 696 Bearings: ZZ and 2RS
✔ 696ZZ — Metal Shielded
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Equipped with двойные металлические щиты (ЗЗ)
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Protects against dust and small particles
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Allows higher RPM
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Suitable for clean environments and small motors
✔ 696-2RS — Rubber Sealed
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Equipped with double rubber seals (2РС)
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Excellent water, moisture, and oil protection
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Slightly lower RPM than ZZ
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Best for outdoor, humid, or dusty environments
NKMB offers both types depending on different usage scenarios.
3. Варианты материалов (NKMB Standard)
✔ Chrome Steel GCr15 / 52100
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Высокая твердость
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Strong wear resistance
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Long service life
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Suitable for most mechanical applications
✔ Stainless Steel 440C / 304 / 316 (Optional)
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Anti-rust and anti-corrosion
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Ideal for food machinery, Медицинские приборы, water environments
4. Точность, Clearance & Noise Level
| Item | NKMB Standard |
|---|---|
| Precision Class | ABEC-1 / ABEC-3 (ABEC-5 optional) |
| Radial Clearance | С0 (standard) / С3 (high-speed) |
| Noise Level | Z1 / Z2 low-noise grades |
| Смазка | High-speed or anti-water grease |
NKMB 696 bearings are widely chosen for devices requiring smooth rotation, low friction, and minimal vibration.
5. Load Ratings (Reference)
| Item | Value |
|---|---|
| Dynamic Load (C) | ~1.36 kN |
| Static Load (С0) | ~0.52 kN |
| Max Speed (ЗЗ) | До 45,000 RPM |
| Max Speed (2РС) | До 28,000 RPM |
Exact load may vary depending on materials and lubrication.
6. Applications of 696 Miniature Bearings
Тем 696 bearing is widely used in:
✔ Micro Motors
Blower motors, cooling fans, cordless devices, high-speed electric motors.
✔ RC Models
RC cars, airplanes, Дронов, and brushless motors.
✔ 3D Printers & Robotics
Extruders, gantry wheels, guide rollers, precision movement components.
✔ Electric Tools
Grinders, drills, screwdrivers, polishing tools.
✔ Sports Equipment
Skate wheels, roller skates, scooters.
✔ Home Appliances
Vacuum cleaners, juicers, coffee machines, and small pumps.
✔ Medical & Laboratory Equipment
Micro-instruments and diagnostic devices.
NKMB 696 bearings maintain consistent performance even in high speed, continuous working environments.
7. Why Choose NKMB 696 Miniature Bearings?
⭐ 1. Ultra-smooth low-noise rotation
NKMB uses high-quality balls and raceways with strict noise controls (Z1/Z2 grades).
⭐ 2. High-precision manufacturing
Automatic grinding and assembly ensure excellent tolerance and stability.
⭐ 3. Long-life lubrication
High-speed grease reduces wear and heat generation.
⭐ 4. Multiple seal types & materials
ЗЗ / 2РС, stainless steel, different clearances available.
⭐ 5. Suitable for OEM & global distribution
NKMB supports bulk orders, brand customization, and global shipping.
Заключение
Miniature 696 ball bearings (6×15×5mm) are essential in high-speed and compact mechanical systems. Whether you need dust-proof (696ЗЗ) or fully sealed waterproof bearings (696-2РС), NKMB provides stable quality, smooth rotation, and long-term durability that meet global standards.
