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QZMX Ball Bearing SF1-4520 Large-scale sale SF1-4525 Self quality assurance Composi SF1 Lubricating

QZMX Ball Bearing SF1-4520 SF1-4525 SF1 Self Lubricating Composi


QZMX Ball Bearing SF1-4520 SF1-4525 SF1 Self Lubricating Composi


Product description

Size:SF1 4525  |  Color:Metallic

Suitable for high-speed operation
This Is A Precision Deep Groove Ball Bearing, and widely used in precision instruments /micro motor/remote control model /RC racing ,etc.
Product description
SF-1 oil-free lubrication bearing is the rolled sliding bearing based on the matrix of steel plate, with the porous bronze powder sintered in the middle while the mixture of PTFE and lead rolled in the surface. It is with small friction coefficient, wear resistance, good corrosion resistance and oil-free lubrication. The application of such product can reduce the cost, reduce the mechanical volume, avoid the shaft engagement, and lower the noise.
SF-1F oil-free lubrication bearing
Metallographic analysis and material structure
1. Mixture of PTFE and lead 0.01-0.03mm
2. Porous bronze powder 0.2-0.3mm
3. Steel backing 0.7-2.3mm
4. Electroplated coating: thickness of tin coating 0.005mm, or that of copper layer 0.008mm
The bearings are sealed on both sides to keep lubricant in.

QZMX Ball Bearing SF1-4520 SF1-4525 SF1 Self Lubricating Composi


November, 2021
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