Home > Products > Deep Groove Ball Bearings > high quality Miniature Ball Bearing 684 small size bearing 4*9*2.5mm
high quality Miniature Ball Bearing 684 small size bearing 4*9*2.5mm
- 100000 Piece / Pieces per Month
- Qingdao/Shenzhen/Shanghai
- T/T Credit Card
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Product Details
| Place of Origin | Zhejiang, China | Model Number | 684 | |
| Number of Row | Single Row | Seals Type | OPEN | |
| Precision Rating | P0 P6 P5 P4 P2 | Bore Size | 3.99, 4 |
Product Description
high quality Miniature Ball Bearing 684 small size bearing 4*9*2.5mm
Specifications of Magneto ball bearing 684
| Bearing Ring Shape | Ball | Materials of Inner and Outer Ring | Steel |
|---|---|---|---|
| Bearing Style | Open Type | Outer Ring Type | Flat |
| Precision | Grade 0 | I.D. d(Ø) | 4 |
| Outer Diameter D(Ø) | 9 | Width B(mm) | 2.5 |
| Basic Load Rating Dynamic Rating(N) | 640 | Revolution Frequency(rpm) | 53000 |
| Specifications/Environment | Standard | Load Direction | Radial |
The magneto bearing is a bearing which can be dismantled and which consists of a deep groove ball bearing inner ring and an outer ring with one shoulder only. The outer ring raceway in the groove base merges into a short cylindrical raceway without edges. The bearing rings can be installed separately which is the advantage of bearings being assembled in series.
Cages
Magneto bearings are offered in two cage versions.
These are
-cages of fiber-glass reinforced polyamide 66 and
- cages of brass plate.
The same limitations apply to polyamide cages as are described for the deep groove ball bearing.
Tolerances, bearing clearance
The uniform tolerances of the outer diameter of magneto ball bearings is +0.010/0 mm. The other tolerances are equal those of other radial bearings and correspond to the standard tolerance. Two magneto bearings of a shaft bearing are installed with low axial clearance in order to compensate length changes and high-speed shafts can set in axial direction.
Model Chart of magneto bearing
| MODEL NO. | I.D.(mm) | O.D.(mm) | WIDTH(mm) | WEIGHT(kg) |
| E3 | 3 | 16 | 5 | 0.006 |
| E4 | 4 | 16 | 5 | 0.005 |
| E5 | 5 | 16 | 5 | 0.004 |
| E6 | 6 | 21 | 7 | 0.011 |
| E7 | 7 | 22 | 7 | 0.013 |
| E8 | 8 | 24 | 7 | 0.014 |
| E9 | 9 | 28 | 8 | 0.022 |
| E10 | 10 | 28 | 8 | 0.021 |
| E11 | 11 | 32 | 7 | 0.029 |
| E12 | 12 | 32 | 7 | 0.028 |
| E13 | 13 | 30 | 7 | 0.021 |
| E14 | 14 | 35 | 8 | 0.035 |
| E15 | 15 | 35 | 8 | 0.034 |
| E16 | 16 | 38 | 10 | 0.049 |
| E17 | 17 | 44 | 11 | 0.080 |
| E18 | 18 | 40 | 9 | 0.051 |
| E19 | 19 | 40 | 9 | 0.049 |
| E20 | 20 | 47 | 12 | 0.089 |
Packing &Delivery
Jinan Kelunte Bearing Co., Ltd. is a professional deep groove ball bearing manufacturer and is engaged in the imported bearings.Our company is engaged in the imported bearings,company's main imported Roller Bearing,Ball Bearing,deep groove ball bearings,taper roller bearings,angular contact ball bearings,Pillow Block Bearing etc.
FAQ
Contact Us
- Jinan Kelunte Bearing Co., Ltd.
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