Self-aligning ceramic ball bearings

Self-aligning ceramic ball bearings
1.Material:zirconia ceramic
2.Used in Electro plating, electro polishing
3.Qualitied

Self-aligning ceramic ball bearings

 

Gongtao company specilize in making various ceramic bearing made of ZrO2,Si3N4 ect.Full ceramic bearing have excellence performance as special electrical and magfuteism resistance, wear and corrosion resistance,lubrication and maintenance free when working,especially high and low- temperature application .etc. could be used in awful environment and specially condition. The rings and balls made by full ceramic material:ZrO2, as a standard constructure,the cage made by PTFE, generally we also could make the cage

 

Index for zirconia ceramic

Item	Testing condition	Unit	Zirconia
Bulk density		g/cm3	6
Flexural Strength		N/m2×103	11
Coefficient of linear expansion	20~800°C	×10-6/°C	9.5
Bulk density resistance	100°C	Ω·Cm	>1012
Bending strength		Mpa	950
Thermal conductivity	20°C	W/m·k	3
Breaking tenacity		Mpa·m1/2	6-8
Highest temperature resistance		°C	2300
Wear-resistance property	Excellent

  

Self-aligning ceramic ball bearings
Boundary dimensions(mm)				Mounting dimensions (mm)			mass
				da	Da	ra	(kg)      (refer)
d	D	B	r  (min)	min	max	maz	ZrO2	Si3N4
5	19	6	0.3	7	17	0.3	0.007	0.004
6	19	6	0.3	8	17	0.3	0.007	0.004
7	22	7	0.3	9	20	0.3	0.011	0.006
8	22	7	0.3	10	20	0.3	0.011	0.006
9	26	8	0.6	13	22	0.6	0.017	0.009
10	30	9	0.6	14	26	0.6	0.026	0.014
	30	14	0.6	14	26	0.6	0.036	0.019
	25	11	0.6	14	31	0.6	0.045	0.024
	25	17	0.6	14	31	0.6	0.065	0.035
12	32	10	0.6	16	28	0.6	0.031	0.016
	32	14	0.6	16	28	0.6	0.041	0.022
	37	12	1	17	32	1	0.052	0.027
	37	17	1	17	32	1	0.073	0.039
15	35	11	0.6	19	31	0.6	0.038	0.02
	35	14	0.6	19	31	0.6	0.046	0.025
	42	13	1	20	37	1	0.072	0.039
	42	17	1	20	37	1	0.088	0.047