6304-2RS small ball bearing with rubber seal WholesaleHome / Products / Motor bearings for agricultural machinery and textile machinery / 6304-2RS small ball bearing with rubber seal

  • 6304-2RS small ball bearing with rubber seal
6304-2RS small ball bearing with rubber seal

6304-2RS small ball bearing with rubber seal

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.

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 Maxronout Speed Weight
mm in  mm in mm in Dynamic Static Cor No. Size mm Grease r/mm Oil r/mm kg
635 5 0.1968 19 0.7480 6 0.2362 0.3 2.010 1.050 7 3.500 28000 36000 0.0080
636 6 0.2362 22 0.8661 7 0.2756 0.3 1.530 1.360 7 3.969 26000 34000 0.0130
637 7 0.2756 26 1.0236 9 0.3543 0.6 3.340 1.410 7 3.969 30000 38000 0.0057
638 8 0.3149 28 1.1024 9 0.3543 0.3 3.520 1.950 7 4.763 22000 30000 0.0290
639 9 0.3543 30 1.1811 10 0.3937 0.6 5.120 2.390 8 4.762 27000 34000 0.0092
6300 10 0.3937 35 1.3780  11 0.4331 0.6 5.880 3.470 7 6.350 18000 24000 0.0532
6301 12 0.4724 37 1.4566 12 0.4724 1.0 7.480 4.650 6 7.938 17000 22000 0.0574
6302 15 0.5906 42 1.6535 13 0.5118 1.0 8.800 5.430 7 7.938 16000 20000 0.0804
6303 17 0.6693 47 1.8504 14 0.5511 1.0 10.45 6.560 7 8.731 15000 19000 0.1096
6304 20 0.7874 52 2.074 15 0.5906 1.1 12.26 7.810 7 9.525 14000 17000 0.1417
6305 25 0.9843 62 2.4409 17 0.6692 1.1 17.22 11.39 7 11.500 12000 14000 0.1930
6306 30 1.1811 72 2.8346 19 0.7480  1.1 20.77 14.17 8 12.000 01000 01200 0.3498
6307 35 1.3780  80 3.1496 21 0.8268 1.5 33.50 19.10 8 13.494 08400 06000 0.4570
6308 40 1.5748 90 3.5433 23 0.9055 1.5 40.50 24.10 8 15.081 07500 09000 0.6330
6309 45 1.7717 100 3.9370  25 0.9843 1.5 53.00 32.00 8 17.462 06700 04500 0.8330
6310 50 1.9685 110 4.3307 27 1.0630  2.0 62.00 38.10 8 19.050 06200 07300 1.0700
6311 55 2.1654 120 4.7244 29 1.1417 2.0 71.50 44.50 8 20.638 05600 06600 1.3700
6312 60 2.3622 130 5.1181 31 1.2205 2.1 82.00 52.00 8 22.225 05100 06100 1.7000
6313 65 2.5590  140 5.5118 33 1.2992 2.1 92.50 59.50 8 23.019 04700 05700 2.0800
6314 70 2.7559 150 5.9055 36 1.4173 2.1 104.00 68.00 8 25.400 04400 05300 2.5200

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 6304-2RS small ball bearing with rubber seal manufacturers and 6304-2RS small ball bearing with rubber seal 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!

Contact us

  • 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

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.