617/7 677 ZZ Minature Deep Groove Ball Bearings 7mm X 11mm X 3mm
Thin Section Robot Bearings
The 677 ZZ miniature deep groove ball bearing, with dimensions of
7mm inner diameter × 11mm outer diameter × 3mm width, is renowned
for its compact size, high-speed capability, and low noise
characteristics.
677 ZZ Ball Bearings 7X11X3mm Specifications & Dimensions
| Universal | 677 ZZ |
| Type | Deep Groove Ball |
| Inner/Outer Ring/ Ball Material | Chrome Steel |
| Cage Material | Steel/Nylon |
| CageType | Punching |
| Precision | P0,P6 |
| Inner Dimension d(Ø)(mm) | 7 |
| Outer Dimension D(Ø)(mm) | 11 |
| Width B (or T)(mm) | 3 |
| Lubrication | Grease |
| Load Direction | Radial |
| Specifications/Environment | Standard |
| Number of Raceway Ring Rows | Single Track |
| Size Standards | Metric Series |
The 677 ZZ miniature deep groove ball bearing is widely used across
various specialized fields due to its compact size and high
precision. Application areas include:
1. Industrial Equipment and Precision Instruments
Precision Instruments: Used in measuring instruments, telecommunications equipment,
laser engraving devices, etc., their low noise and high precision
characteristics make them suitable for precise transmission
scenarios.
Drying and Processing Equipment: Applied in pneumatic drying machines, water transfer printing
equipment, polishers, etc., they are suitable for medium to
high-speed rotation requirements.
Automation Machinery: Such as pick-and-place machines, spray painting machines, food
sterilization equipment, etc., these require the ability to
withstand light loads and offer long service life.
2. Consumer Electronics and Home Appliances
Micro Motors: Commonly found in computer cooling fans, hard drive motors,
electric toothbrush motors, etc., meeting miniaturization design
needs.
Home Appliances: Used in washing machines, juicers, soy milk makers, etc.,
dustproof sealing (ZZ) reduces grease contamination.
3. Medical and Health Equipment
Medical Devices: Suitable for dental drills, medical testing instruments, etc.,
relying on their high speed and low vibration characteristics.
Fitness Equipment: Components of treadmills, massage devices, etc., which need to
withstand frequent start-stop cycles and high speeds.
4. Models and Toys
Remote Control Models: Used in model aircraft motors, remote-controlled car drive
systems, etc., with miniature sizes fitting compact structures.
Smart Toys: Such as motorized toy car axles, vending machine transmission
components, etc.
5. Other Fields
Office Equipment: Copiers, printer rollers, etc., with dustproof designs extending
maintenance intervals.
Automotive Electronics: Automotive motors, sensors, and other auxiliary systems.
This comprehensive list showcases the versatility and wide
application range of these components across various industries,
from ensuring precision in industrial settings to enhancing
functionality in consumer products and beyond.
Bearing Number | Boundary Dimensions(mm) | Basic Load Rating(N) | Limiting Speed(rpm) | Reference(kg)
Weight |
| Inner Diameter | Outer Diameter | Width | Chamfer | Dynamic | Static | Grease | Oil |
| d | D | B | B1 | r(min) | Cr | Cor | Non-contact | Wt ≈ |
| 617/3 | ZZ | | 3 | 6 | 2 | 2.5 | 0.1 | 242 | 94 | 60000 | 71000 | 0.00020 |
| 617/4 | ZZ | | 4 | 7 | 2 | 2.5 | 0.1 | 222 | 88 | 54000 | 63000 | 0.00028 |
| 617/5 | ZZ | | 5 | 8 | 2 | 2.5 | 0.1 | 217 | 91 | 49000 | 57000 | 0.00032 |
| 617/6 | ZZ | | 6 | 10 | 2.5 | 3 | 0.1 | 465 | 196 | 43000 | 51000 | 0.00065 |
| 617/7 | ZZ | | 7 | 11 | 2.5 | 3 | 0.1 | 555 | 269 | 40000 | 47000 | 0.00067 |
| 617/8 | ZZ | | 8 | 12 | 2.5 | 3.5 | 0.1 | 515 | 252 | 38000 | 45000 | 0.00075 |
| 617/9 | ZZ | | 9 | 14 | 3 | 4.5 | 0.1 | 920 | 465 | 36000 | 42000 | 0.00140 |
