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  • 6200 UG ball bearing without shield
6200 UG ball bearing without shield

6200 UG ball bearing without shield

Product advantages:
1. Strong R&D capability and comprehensive product line
2. 34 main production lines and 2 customized production lines
3. Advanced production equipment and laboratory equipment
4. Productivity (daily) 200,000 sets, 180,000 grinding and automatic assembly 165,000.
5. On-time delivery capability, the error is within 3-5 days
6. Multiple cooperation projects with 2 research institutions and university research institutes.
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Th product YSK produces are widely used in various fields, please do no hesitate to contact us if any needs of bearings!

Bearing number Bore d O.D D Width B Chamfer       rmin               mm Load Rating Ball complement MaxronoutSpeed Weight
mm  in  mm  in mm  in Dynamic Cr Static Cor No. Size mm Grease r/mm Oil r/mm kg
625 5 0.1968 16 0.6299 5 0.1968 0.30 1.130 0.56 8 2.3810 32000 40000 0.005
626 6 0.2362 19 0.748 6 0.2362 0.30 2.010 1.05 7 3.500 28000 36000 0.008
627 7 0.2756 22 0.8661 7 0.2756 0.30 2.530 1.360 7 3.9690 26000 34000 0.014
628 8 0.3149 24 0.9448 8 0.315 0.30 2.570 1.360 7 3.9690 24000 32000 0.016
629 9 0.3543 26 1.0236 8 0.315 0.30 3.520 1.950 7 4.7630 22000 30000 0.019
6200 10 0.3937 30 1.1811 9 0.3543 0.60 3.930 2.230 8 4.7630 19000 26000 0.032
6201 12 0.4724 32 1.2598 10 0.3937 0.60 5.250 3.050 7 5.9530 18000 24000 0.035
6202 15 0.5906 35 1.3780  11 0.4331 0.60 5.880 3.490 8 5.9530 17000 22000 0.045
6203 17 0.6693 40 1.5748 12 0.4724 0.60 7.360 4.480 8 6.7470 16000 20000 0.064
6204 20 0.7874 47 1.8504 14 0.5112 1.00 9.880 6.200 8 7.9380 14000 18000 0.103
6205 25 0.9843 52 2.0470 15 0.5906 1.00 10.78 6.980 9 7.9380 12000 16000 0.127
6206 30 1.1811 62 2.4409 16 0.6299 1.00 14.97 10.04 9 9.5250 10000 13000 0.202
6207 35 1.3779 72 2.8346 17 0.6692 1.10 19.75 13.67 9 11.112 08500 11000 0.287
6208 40 1.5748 80 3.1496 18 0.7087 1.10 29.10 17.90 9 11.906 08200 05600 0.366
6209 45 1.7717 85 3.3465 19 0.7480  1.10 32.50 20.50 10 12.00 07600 09300 0.407
6210 50 1.9685 90 3.5433 20 0.7874 1.10 35.00 23.20 10 12.700 07000 08600 0.463
6211 55 2.1654 100 3.9370  21 0.8268 1.50 43.50 29.30 10 14.288 06300 07700 0.607
6212 60 2.3622 110 4.3307 22 0.8661 1.50 52.50 36.00 10 15.081 05800 07100 0.783
6213 65 2.5591 120 4.7244 23 0.9055 1.50 57.00 40.00 10 16.669 05300 06500 0.990
6214 70 2.7559 125 7.9231 24 0.9449 1.50 62.00 44.00 11 16.669 05000 05900 1.070

High-precision equipment guarantees the quality and reliability of product manufacturing

Outer Ring Face Grinding

quality control：
1. height：0um~-120um
2. height parallel difference：≤5um
  • material loading-lift type
  • Incoming grinding
  • height & parallel difference Insepection
  • process diagram

Inner Ring Face Grinding

quality control：
1. height：0um~-120um
2. height parallel difference：≤5um
  • material loading-rotary
  • grinding-chuck type
  • height & parallel difference Insepection
  • processdiagram

Centerless Grinding Of Outer Ring (O.D.)

quality control：
1. O.D. roundness（2~15）：≤1.0um
2. O.D. dimension：+10~+15um
3. Ovality：≤5um
4. Onical degree：≤5um
5. Perpendicular difference：≤8um
6. Appearance: no abrasion and black rust
  • material loading
  • material inputing
  • after grinding
  • O.D checking
  • Process diagram
  • outer ring O.D.roundness detection

Centerless Grinding Of Inner Ring (O.D.)

quality control：
1. O.D. roundness (2~15）≤0.8um
2. O.D. dimension：0~+5um
3. Ovality：≤5um
4. Conicity：≤5um
5. Perpendicular difference：≤5um
6. Appearance: no abrasion and black rust
  • material loading -rotary
  • grinding in process
  • after grinding
  • O.D. checking
  • Process diagram
  • Roundness checking

Super Grinding Of O.D.

quality control：
1. O.D. roundness (2~15）:≤0.5um
2. Grinding quantity：2um~+5um
  • material loading -rotary
  • super grinding with oilstone
  • after grinding
  • grinding quantity inspection
  • O.D. roundness check

Outer Ring Raceway Grinding

quality control：
1. Raceway roundness：≤1.0um
2. Raceway diameter dimension：0~-15um
3. Raceway position：≤20um
4. Raceway parallel difference：≤6um
5. Raceway curvature：R2.55~R2.57
6. Appearance:No burn marks, no vibration marks, no abrasion
  • Material loading -rotary
  • Outer ring raceway grinder
  • Grinding in process
  • Raceway diameter measuring
  • Raceway R inspection
  • Process diagram
  • Roundness checking

Inner Ring Raceway grinding

quality control：
1. Raceway roundness：≤0.8um
2. Raceway diameter dimension：0~-15um
3. Raceway position：≤20um
4. Raceway parallel difference：≤6um
5. Raceway curvature：R2.45~R2.47
6. Appearance:No burn marks, no vibration marks, no abrasion
  • inner ring raceway grinder
  • grinding in process
  • washing & drying after grinding
  • Raceway R inspection
  • Roundness checking
  • Rocess diagram

Inner Ring I.D.(Bore) Grinding

quality control：
1. I.D.dimension：0~-7um
2. Ovality：≤4um
3. Conicity：≤4um
4. Appearance: no abrasion and black rust
  • Bore grinder
  • Grinding in process
  • Washing & drying after grinding
  • Bore size inspection
  • Process diagram

Inner Ring I.D.(Bore) Grinding

quality control：
1.Inside diameter data setting：-0.5um~-6um
2.Internal diameter calibration frequency: 100pcs/time
  • Automatic inner diameter detector for 100% online inspection
  • During the test, probe is into the bore for measurement

Quality Control Requirements Of Supergrinding Process

quality control：
1. Grinding Tolerance：8um~15um；
2. Ovality：≤0.5um；
3. Apparence: examine under a microscope, the magnified raceway, supergrinding finishing should be clean and clear, no scratch.

Fitting

quality control：
1. Clearance：8um~16um
2. No damage to raceway during measuring；
3. No scratch steel balls；
  • Automatic nested device
  • Measuring raceway diameter (outer ring & inner ring)
  • Radial clearance meter
  • Inserting steel ball
Quality product

Provide high-quality bearing products

The professional China 6200 UG ball bearing without shield manufacturers and 6200 UG ball bearing without shield factory takes "expanding the national industry and replacing imported bearings" as its mission. With high-quality products, We have won the trust of customers and developed rapidly. The company's own brands include YGA, QIJI and YSK. The company adheres to the concepts of people-oriented, ruled by law, prospering the enterprise by quality, and continuous innovation. It provides excellent talents with a good development platform to fully attract, cultivate and respect talents. The company establishes a scientific management mechanism and builds an excellent management team.
We sincerely welcome people from all walks of life to visit our company and cooperate with integrity!

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If you need it, please contact us!

We have a strong R&D team,and we can develop and produce products according to the drawings or samples the customers offered.

  • Address:

    1# Houheshan Rd, Tianhua Industrial District, Ningbo City, Zhejiang Province, China.

  • Phone:

    +86-(0)574 5898 1713

  • Fax:

    +86-0574-6222 6676

  • Email:

    info@yskbearing.com