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| d | 8 mm |
|---|---|
| D | 22 mm |
| B | 7 mm |
| weight | 11.8 g |
| Dynamic | 335 kgf |
| Static | 140 kgf |
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Table of content
The "Z809" bearing is not associated with a specific standard or model designation commonly used in the bearing industry, unlike bearings with well-defined standards such as those designated by the ABEC (Annular Bearing Engineers' Committee) system. It's worth noting that the "Z809" designation is often used informally and does not conform to an established industry standard.
Typically, skateboard bearings come in various sizes and quality levels, and they are usually classified by their size (e.g., 608 bearing, which is a common size for skateboards) and sometimes by their ABEC rating, which indicates their precision and tolerance levels.
In this comprehensive guide, we'll dive deep into the Z809 bearing, exploring its origins, construction, performance characteristics, maintenance, and more. Whether you're a seasoned skateboarder or a newcomer to the sport, understanding the Z809 bearing will elevate your skateboarding experience to new heights.
| d | 8 mm |
|---|---|
| D | 22 mm |
| B | 7 mm |
| weight | 11.8 g |
| Dynamic | 335 kgf |
| Static | 140 kgf |
Miniature Ball Bearing z809 Detailed Dimensional Information 
The inner diameter of the z809 bearing is 8 millimeters. It can accommodate shafts with a diameter of 8 millimeters.
The outer diameter of the z809 bearing is 22 millimeters. This refers to the diameter of the outer ring of the bearing. Make sure that your application space can accommodate the outer diameter of the z809 bearing.
The width of the z809 bearing is 7 millimeters. This refers to the distance between the inner and outer rings of the bearing. Ensure that this dimension is suitable for your application to ensure proper installation and operation.
Based on your application requirements, load, speed, temperature, and quality criteria, choose the suitable size of the z809 bearing for your application to ensure good performance and reliability.
The z809 bearing is typically constructed with inner and outer rings, a set of steel balls, and a cage to maintain ball separation. The inner and outer rings are usually made of high-quality steel, while the balls are made from steel materials. The cage is often made of a synthetic material like nylon or steel, and it serves to evenly space the balls within the bearing and reduce friction.
The inner ring serves as the primary raceway for the bearing's rotating elements.
Acting as the stationary raceway, the outer ring completes the race circuit and encapsulates the entire bearing.
These small, spherical elements provide the necessary separation and facilitate smooth rotation.
The cage holds the balls in place, ensuring equal distribution and preventing contact during operation.
The concept of skateboarding can be traced back to the 1940s and 1950s when enterprising individuals attached roller skate wheels to a wooden board to mimic the feeling of surfing on land. These early skateboards often used rudimentary, low-quality bearings, which hindered both speed and maneuverability. Skateboarders were left frustrated by the limitations of their equipment.
As skateboarding gained popularity in the 1960s and 1970s, the need for better bearings became apparent. Skateboarders and manufacturers began experimenting with different bearing designs and materials to improve performance. Bearings evolved from basic steel designs to more sophisticated configurations, such as precision bearings, which aimed to reduce friction and enhance speed.
By learning about ISK BEARING's Z809 bearing, you can make informed choices, enhance your skateboards performance, and enjoy a smoother, faster, and more reliable ride.
|
Bearing No.(JIS/NSK)* |
Bore(mm)* |
Outer(mm)* |
Width(mm)* |
B1* |
D1* |
C1* |
C2* |
|---|---|---|---|---|---|---|---|
|
1 |
3 |
1 |
1.5 |
3.8 |
0.3 |
0.3 |
|
|
1 |
4 |
1.6 |
2.3 |
5 |
- |
- |
|
|
1.5 |
4 |
1.2 |
- |
5 |
0.4 |
- |
|
|
1.5 |
5 |
2 |
2.6 |
6.5 |
0.6 |
0.8 |
|
|
1.5 |
6 |
2.5 |
3 |
7.5 |
0.6 |
0.8 |
|
|
2 |
4 |
1.2 |
2 |
- |
- |
- |
|
|
2 |
5 |
1.5 |
2.3 |
6.1 |
0.5 |
0.6 |
|
|
2 |
6 |
2.3 |
3 |
7.5 |
0.6 |
0.8 |
|
|
2 |
7 |
2.8 |
3.5 |
8.5 |
0.6 |
0.6 |
|
|
2.5 |
6 |
1.8 |
- |
7 |
0.6 |
- |
|
|
3 |
7 |
2 |
3 |
8 |
0.6 |
0.6 |
|
|
3 |
8 |
3 |
4 |
9 |
0.6 |
0.6 |
|
|
3 |
9 |
3 |
5 |
10 |
0.6 |
0.6 |
|
|
3 |
10 |
4 |
4 |
11.5 |
0.6 |
0.6 |
|
|
3 |
13 |
5 |
5 |
15 |
1 |
1 |
|
|
4 |
9 |
2.5 |
4 |
10 |
0.6 |
0.6 |
|
|
4 |
11 |
4 |
4 |
12 |
0.6 |
0.6 |
|
|
4 |
12 |
4 |
4 |
13 |
0.6 |
0.8 |
|
|
4 |
13 |
5 |
5 |
14 |
0.6 |
0.8 |
|
|
4 |
16 |
5 |
5 |
17 |
1 |
1 |
|
|
5 |
11 |
3 |
4 |
12 |
0.6 |
0.8 |
|
|
5 |
13 |
4 |
4 |
14 |
0.6 |
0.8 |
|
|
5 |
14 |
5 |
5 |
14 |
0.6 |
1 |
|
|
5 |
16 |
5 |
5 |
18 |
0.6 |
1 |
|
|
5 |
19 |
6 |
6 |
22 |
1 |
1.5 |
|
|
6 |
13 |
3.5 |
4 |
14 |
0.6 |
0.8 |
|
|
6 |
15 |
5 |
5 |
17 |
0.6 |
0.8 |
|
|
6 |
17 |
6 |
6 |
19 |
1 |
1.5 |
|
|
6 |
19 |
6 |
6 |
22 |
1 |
1.5 |
|
|
6 |
22 |
7 |
7 |
25 |
1.5 |
2 |
|
|
7 |
14 |
3.5 |
4 |
15 |
0.6 |
1 |
|
|
7 |
17 |
5 |
5 |
18 |
1 |
1.5 |
|
|
7 |
19 |
6 |
6 |
22 |
1 |
1.5 |
|
|
7 |
22 |
7 |
7 |
24 |
1.5 |
2 |
|
|
7 |
26 |
9 |
9 |
30 |
1.5 |
2.5 |
|
|
8 |
16 |
4 |
4 |
18 |
0.6 |
1 |
|
|
8 |
19 |
6 |
6 |
22 |
1 |
1.5 |
|
|
8 |
22 |
7 |
7 |
22 |
1 |
1.5 |
|
|
8 |
24 |
8 |
8 |
24 |
1.5 |
2 |
|
|
8 |
28 |
9 |
9 |
30 |
1.5 |
2.5 |
|
|
9 |
17 |
4 |
4 |
19 |
0.6 |
1 |
|
|
9 |
20 |
6 |
6 |
22 |
1 |
1.5 |
|
|
9 |
24 |
7 |
7 |
25 |
1 |
1.5 |
|
|
9 |
26 |
8 |
8 |
27 |
1.5 |
2 |
|
|
9 |
30 |
10 |
10 |
35 |
2 |
3 |
Why is ISK BEARINGS frequently chosen as the specified bearing brand by major international companies?
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