Materiais mais utilizados

Informações gerais e técnicas dos materiais mais utilizados na fabricação de nossos rolamentos.

Principais dados referente a composição e detalhes técnicos dos rolamentos ZEN.

Material	Detalhes	Aplicações
Aço cromo 100Cr6 (Nr.1.3505)	Hard wearing Good stock and corrosive resistance	Standard
Aço inoxidável AISI 440C (Nr.1.4125)	Very good corrosive resistance	Food industry, Pharmaceutical industry, Ship building and other corrosive surrounding
Aço inoxidável AISI420 (Nr. 1.4021)	Very good corrosive resistance	Food industry, Pharmaceutical industry, Ship building and other corrosive surrounding
AISI304	Very good corrosive resistance	Corrosive surroundings
AISI316	Excellent corrosive resistance	Corrosive surroundings
AISI 316L	Excellent corrosive resistance	Corrosive surroundings
Si3N4	High temperature Insulation Excellent corrosive resistance	Chemistry, electronic, food, marine, medical
Zr02	High temperature Insulation Excellent corrosive resistance	Chemistry, electronic, food, marine, medical
Al203	High temperature Insulation Excellent corrosive resistance	Chemistry, electronic, food, marine, medical

The static and dynamic load rating of AISI 400 C-ball-bearings is approximately 75-80% of the 100 Cr6-ball-bearings

Principais dados referente a composição e detalhes técnicos dos rolamentos ZEN.

Material	Hardness	Max. Temp.	C	Si	Mn	P	S	Cr	Mo	Ni
100 Cr6 (Nr. 1.3505)	60-64HRC	Max. 150°C	0,5~1,10	0,15~0,35	≤0,5	≤0,025	≤0,025	1,3~1,6	≤0,08
AISI 440 C (Nr. 1.4125)	≥58HRC	Max. 230°C	0,95~1,2	≤1,1	≤1,0	≤0,04	≤0,03	16,0~18,0	≤0,75
AISI420(Nr. 1.4021)	≥55HRC	Max. 230°C	0.16~0.25	≤1.00	≤1.5	≤0.04	≤0.03	12,0~14,0
AISI304	15~20HRC	900	≤0.07	≤1.00	≤2.00	≤0.035	≤0.030	18,0~208,0		8,0~10,0
AISI316	15~20HRC	900	≤0.08	≤1.00	≤2.00	≤0.035	≤0.030	16,0~19,0	1.80-2.50	10,0~14,0
AISI 316L	15~20HRC	450	≤0.03	≤1.00	≤2.00	≤0.035	≤0.030	16,0~18,0	2.00-3.00	12,0~15,0

Material	Hardness	Max. Temp	Component
Si3N4	75~80HRC	1050	88% Si3N4 / 4% Al2O3 / 4% Y2O3 / 4% other
Zr02	70HRC	750	95% ZrO2 / 5% Y2O3
Al203	80HRC	1750	99.5% Al2O3 / 0.5% others

Material	HDPE	PP	POM	PA6	PA66	PBT GF30	PVDF	PPS	PTFE	PEEK	PI
Long time working temp. (°C)	90	100	110	100	100	120	150	230	260	260	300
Density	0。96	0.91	1.42	1.13	1.14	1.53	1.77	1.35	2.18	1.32	1.35
Tensile strength at yield	25	30	70	85	80		50	75	25	95
Tensile strength at break	35		170			13.5	4.6				116
Ball indentation hardness	50	80		160	170	190	80	190	30
Impact strength	（None）					60		50			75
Coefficient of sliding friction	0.29	0.3	0.34	0.38-0.45	0.35-0.42	0.24	0.3		0.08-0.01	0.3-0.38	0.3-0.38
Slide wear		11	4.6	0.23	0.9				21		0.3-0.38
Vicat softening temp. (°C)	130	165	175	220	260	225	172	280	327	343
DSC/Tg ( °C) Heat deflection temp.	-95	-18	-60	60	72	60	-18	90	-20	143
HDT/A ( °C) Heat deflection temp.	42-49	65	124	75	100	210	95	110	55	140	368
HDT/B ( °C) Max working temp	70-85	105	170	190	>200	225	140		121	182
Short time (°C)	90	140	150	160	170	200	150	260	260	300	350
Coef. of linear expansion	13-15	17	10	8	8	3.5	13	5	12	5.0	4.9
Dielectric constant at 1Mhz	2.4	2.25	3.7	3.7-7	3.6-5	3.8	8		2.1	3.2-3.3	3.1
Volume resistivity	>
Anti-hot water and alkali for washing	+	+	–	(+)	(+)	–	+	+	+	+	(+)
Flammability UL94	HB	HB	HB	HB	HB	HB	V0	V0	V0	V0	V0
Anti-weathering	–	–	–	–	–	–	+	–	–	–	(+)

+ = resistant | (+) = Partly resistant | – = not resistant | none = no breaks