Small deep groove ball bearings (fan industry)
Product Features
It is the most typical structural form among rolling bearings and is widely used. In addition to withstanding radial loads, it can also accommodate axial loads in both directions.
Typically, two sets of bearings are used: one at the fan‑blade end and one at the snap‑ring end.
To address the aforementioned failure modes, appropriate installation fits and preload levels are required. Our company can provide a complete set of bearing installation fit tolerances as well as specialized press‑fit tooling design services. Recommended fit tolerances for commonly used outer‑rotor fan bearings are listed below; however, due to variations in operating conditions, temperature, materials, and component precision, specific fit requirements may need to be adjusted. Please consult CHIPRO for detailed specifications.
|
Bearing model number |
Part used
|
Bearing inner diameter tolerance ΔD (μm) |
Bearing outer diameter tolerance Δd (μm) |
Bearing dynamic load rating Cr (N) |
Bearing rated static load capacity Cor (N) |
Ball bearing
|
|||
|
Manufacturing tolerance
|
Radial clearance |
Recommended Axial Preload (N)
|
|||||||
|
axis
|
Bearing housing
|
||||||||
|
608
|
External rotor fan
|
0~-7
|
0~-8
|
3300
|
1370
|
-8 to -12 µm
|
0~-10um
|
C0
|
40N-80N |
|
6001
|
External rotor fan
|
0~-7
|
0~-8
|
5100
|
2370
|
-8 to -13 µm
|
-5 to -12 µm
|
C0
|
70N-100N |
|
6002
|
External rotor fan
|
0~-7
|
0~-9
|
5600
|
2830
|
-9 to -13 µm
|
-5 to -15 µm
|
C3
|
90N-120N |
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