617/7 677 Minature Deep Groove Ball Bearings 7mm X 11mm X 2.5mm Thin Section Robot Bearings
The 677 miniature deep groove ball bearing, with dimensions of 7mm inner diameter × 11mm outer diameter × 2.5mm width, is renowned for its compact size, high-speed capability, and low noise characteristics.
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 |
677 Ball Bearings 7X11X2.5mm 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) |
2.5 |
| Lubrication |
Grease |
| Load Direction |
Radial |
| Specifications/Environment |
Standard |
| Number of Raceway Ring Rows |
Single Track |
| Size Standards |
Metric Series |
The 677 miniature deep groove ball bearing is widely used across various specialized fields due to its compact size and high precision. Application areas include:
1. Precision Instruments and Small Devices
Office Equipment (such as printers, copiers), fishing reel mechanisms, dental drills, etc.
Miniature Motors, washing machine components, photoplotters, etc.
2. Automation and Electronic Equipment
Robot Joints, transmission components in automated production lines.
Electrostatic Generation Equipment, electroplating chillers, etc.
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.
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617/7 677 Minature Deep Groove Ball Bearings 7mm X 11mm X 2.5mm Thin Section Robot Bearings Images
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