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Al2O3 Ceramic Plain Bearings Ceramic Ball , At 1100℃ Density Is 3.7-3.99g/cm3

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Al2O3 Ceramic Plain Bearings Ceramic Ball , At 1100℃ Density Is 3.7-3.99g/cm3

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Brand Name : TOB Ceramic Bearings

Certification : ISO 16949

Place of Origin : China

MOQ : negotiated

Price : negotiated

Payment Terms : T/T

Supply Ability : negotiated

Delivery Time : negotiated

Packaging Details : Cartons or Pallets

Material : Al2O3v Ceramic

Density : 3.70-3.99 g/cm3

Grad : G5-G200

HV Hardness : 1800 HRC

Coefficient of expansion : 9.1 10^-6/℃

The highest temperature : 1500℃

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Al2O3 Ceramic Ball

Al2O3 Ceramic Ball at routine temperature has the super rigidity. At 1100℃, the rigidity and intension could not be changed, whose density is 3.7-3.99g/cm3, the rigidity is higher than ZrO2, but the anti-bend intension and rupture toughness is lower than ZrO2.

Al2O3 Ceramic Ball at routine temperature has the super rigidity. At 1100℃, the rigidity and intension could not be changed, whose density is 3.7-3.99g/cm3, the rigidity is higher than ZrO2, but the anti-bend intension and rupture toughness is lower than ZrO2.

Staple Material and Manufacturing Presision
  Ceramic Balls Plastic balls Glass Balls Stainless Balls
meterial ZrO2,Si3N4,SiC,Al2O3 POM,PE,PP,PA,UPE,PEEK GLASS 440C,304,316,316L
grad G5-G200 G100-G1000 G100-G1000 G10-G200

Staple size of the balls
Size(inch) Size(mm)   Size(inch) Size(mm)
  1.5   1/16" 1.588
  2   3/32 2.381
1/8" 3.175   5/32" 3.969
3/16" 4.763   7/32" 5.556
1/4" 6.35   17/64" 6.747
  7   9/32" 7.144
5/16" 7.938   11/32" 8.731
3/8" 9.525   13/32" 10.319
7/16" 11.112   29/64" 11.509
15/32" 11.906     12
31/64" 12.303   1/2" 12.7
17/32" 13.494     14
9/16" 14.288   19/32" 15.081
5/8" 15.875   21/32" 16.669
11/16" 17.463   23/32" 18.256
3/4" 19.05   25/32" 19.844
  20   13/16" 20.638
7/8" 22.225   15/16" 23.812
1" 25.4   1-1/16" 26.988
1-1/8" 28.575   1-3/16" 30.163
1-1/4" 31.75   1-3/8" 34.925
  35   1-1/2" 38.1
1-5/8" 41.275   1-11/16" 42.863
1-7/8" 47.625   2" 50.8

Tolerance and surface roughness of the balls
Grade Variation of ball diameter Deviation from ( △ Sph) Surface roughness spherical from(Ra)
not over μ m
3 0.08 0.08 0.012
5 0.13 0.13 0.02
10 0.25 0.25 0.025
16 0.4 0.4 0.032
20 0.5 0.5 0.04
28 0.7 0.7 0.05
40 1 1 0.08
60 1.5 1.5 0.1
100 2.5 2.5 0.125
200 5 5 0.2

Al2O3 Ceramic Plain Bearings Ceramic Ball , At 1100℃ Density Is 3.7-3.99g/cm3


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Wholesale Al2O3 Ceramic Plain Bearings Ceramic Ball , At 1100℃ Density Is 3.7-3.99g/cm3 from china suppliers

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