drainage pump rotors with high precision shaft for washing machine pump motor

Material: ferrite, ceramic

Manufacturing technology: Dry Anistropic, Sintered

Orientation: Radial

Shape: ring

Size: customized

Certification: ISO/TS16949, RoHs

Application: Household appliance, automotive motors, aquarium pump

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Parameter	symbol	unit	value	remark
Recoil permeability	μrce	—	1.05-1.3
Curie temperature	Tc	°C	460
Temperature coefficient of Br	αBr	°C^-1	-0.2%	0-100°C
Temperature coefficient of Hcj	αHcj	°C^-1	0.2%-0.5%	0-100°C
Density	D	g/cm3	4.5-5.1
electrical resistivity	ρ	Ωcm	≥104
Linear expansion coefficient	αR	°C^-1	7-15×10^-6
Hardness	HV	—	480-580

Regular Size:
Φ13×20	Shaft Φ2.5 x 52
Φ13 x 25	Shaft Φ2.5 x 58
Φ15 x 25	Shaft Φ2.5 x 58
Φ19×20	Shaft Φ3.5×59.5
Φ19×25	Shaft Φ3.5×70
Φ19×30	Shaft Φ 3.5x 67/67.9/76/77/82
Φ19×32.5	Shaft Φ3.5×77/84.5
Φ19×35	Shaft Φ3.5×79/89.5
Φ19×45	Shaft Φ3.5×94.7/95/98.8/101/104.5
Φ19.3×35	Shaft Φ3.5×7
Φ21.2×46.5	Shaft Φ5×97.8
Φ23×30	Shaft Φ5×76.4
Φ35×25	Shaft Φ5×118
Remark: Φ12 series surface magnetism ≥1300GS Φ13~15 series surface magnetism ≥1450GS Φ16~18series surface magnetism ≥1500GS Φ19 and above this size series surface magnetism ≥1550GS