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Jewel bearings PDF File Download

Jewel bearings

Our factory manufactures exact jewel bearings of great quantity and high quality, such as synthetic white corundumn bearings, ruby bearings, sapphire bearings, glass, microcrystalline glass, cubic zirconia, natural agate bearing, etc, Jewel bearings have application in apparatus, meter and ball bearing, etc. May customize products.

supporting bearings ( Performance area):

Type of precious stone bearings: synthetic white corundum, synthetic sapphire and ruby bearings, crystallite glass, cube zirconia, nature agate bearings and etc. We can produce customized jewel bearings according to specific requirements and drawings from clients. It's chiefly applied as supporting bearings to the rotational systems of various accurate chronographs, auto-memorizing apparatus, precise instruments (micrometer, dial indicator) and other apparatus.

Sapphire & Ruby bearing
Sapphire & Ruby bearing

Sapphire & Ruby bearing
Sapphire & Ruby bearing

Natural agate bearing
Natural agate bearing

Microcrystalline glass bearing
Microcrystalline glass bearing

Flat jewels 1 ( Unpolished )
Size & Tolerance of Products
  Size(mm) Tolerance(mm)
D 1.00--30.00 ±0.01
H 0.20--15.00 ±0.01
R 0.10--0.15 ±0.05
Flat jewels( Unpolished )
Flat jewels 2 ( Single-face polished )
Size & Tolerance of Products
  Size(mm) Tolerance(mm)
D 1.00--30.00 ±0.01
H 0.20--15.00 ±0.02
R 0.10--0.15 ±0.05
Flat jewels( Single-face polished )
Flat jewels 3 ( Double-face polished )
Size & Tolerance of Products
  Size(mm) Tolerance(mm)
D 1.00--30.00 ±0.01
H 0.20--15.00 ±0.02
R 0.10--0.15 ±0.05
Flat jewels( Double-face polished )
Jewel balls 1 ( Unpolished )
Size & Tolerance of Products
  Size(mm) Tolerance(mm)
D 0.80--2.50 ±0.005
D 2.50--5.00 ±0.01
D 5.00--15.00 ±0.01
Jewel balls( Unpolished )
Jewel balls 2 ( Polished )
Size & Tolerance of Products
  Size(mm) Tolerance(mm)
D 0.80--2.50 ±0.005
D 2.50--5.00 ±0.01
D 5.00--15.00 ±0.01
Jewel balls ( Polished )
Jewel cylinders 1 ( Unpolished )
Size & Tolerance of Products
  Size(mm) Tolerance(mm)
D 0.70--15.00 ±0.01
L 0.20--80.00 ±0.05
R 0.10--0.15 ±0.05
Jewel cylinders ( Unpolished )
Jewel cylinders 2 ( Side polished )Jewel cylinders ( Side polished )
Size & Tolerance of Products
  Size(mm) Tolerance(mm)
D 0.70--15.00 ±0.01
L 0.20--80.00 ±0.05
R 0.10--0.15 ±0.05
 
Ring jewel
Size & Tolerance of Products
  Size(mm) Tolerance(mm)
D 1.00--10.00 ±0.01
H 0.20--8.00 ±0.02
R 0.10--0.15 ±0.05
d 0.15--5.00 +0.02
r 0.05 +0.05
Ring jewel bearing
Hole - Vee jewel
Size & Tolerance of Products
  Size(mm) Tolerance(mm)
D 1.20--6.00 ±0.01
H 1.00--4.00 ±0.02
R 0.10--0.15 ±0.05
h 0.15--0.55 ±0.05
a 80° ±5°
d 0.15--1.00 +0.02
Hole - Vee jewel bearing
Hole - Cup jewel
Size & Tolerance of Products
  Size(mm) Tolerance(mm)
D 1.20--6.00 ±0.01
H 1.00--4.00 ±0.02
R 0.10--0.15 ±0.05
h 0.15--0.55 ±0.05
d 0.15--2.00 +0.02
SR 0.60--5.00 ±0.05
Hole - Cup jewel
Vee jewel
Size & Tolerance of Products
  Size(mm) Tolerance(mm)
D 1.20--6.00 ±0.01
H 1.00--4.00 ±0.02
R 0.10--0.15 ±0.05
h 0.20--0.60 ±0.05
a 80° ±5°
SR 0.04--0.20 ±0.02
Vee jewel bearing
Cup jewel
Size & Tolerance of Products
  Size(mm) Tolerance(mm)
D 1.20--6.00 ±0.01
H 1.00--4.00 ±0.02
R 0.10--0.15 ±0.05
h 0.20--0.60 ±0.05
SR 0.60--5.00 ±0.05
Cup jewel bearing

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