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Metric Thin-Section Ball Bearing Series – Open Type A

Metric Thin-Section Ball Bearing Series – Open Type A

The Metric Thin-Section Ball Bearing Series – Open Type A is specifically designed for applications where space, weight, and high performance are equally critical. Unlike conventional bearings, these thin-section bearings maintain the same cross-sectional dimension regardless of the bore...

Metric Thin-Section Ball Bearing Series – Open Type A

The Metric Thin-Section Ball Bearing Series – Open Type A is engineered for applications where space, weight, and performance are critical. Unlike standard bearings, these thin-section bearings maintain a constant cross-sectional profile regardless of bore size, allowing for compact designs without compromising precision or durability.

Key Features:

  • Slim Profile: Uniform cross-section reduces space requirements.
  • Lightweight Design: Lowers overall system weight while supporting high loads.
  • High Precision: Tight manufacturing tolerances ensure smooth, reliable operation.
  • Open Structure: Simplifies lubrication and minimizes friction in clean, controlled environments.

Typical Applications

  • Aerospace mechanisms
  • Optical instruments
  • Robotics and automation systems
  • Medical equipment
  • Precision rotary platforms

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Manufacturing Process

The Metric Thin-Section Ball Bearing Series – Open Type A undergoes a strict, multi-step production process to ensure quality and reliability:

1. Material Selection – High-grade bearing steel (e.g., GCr15) or stainless steel chosen for durability and corrosion resistance.

2. Turning and Forging – Inner and outer rings are forged and turned into precise dimensions.

3. Heat Treatment – Rings undergo controlled heat treatment to enhance hardness and fatigue strength.

4. Grinding – Super-fine grinding of raceways for consistent geometry and low friction.

5. Assembly – Precision balls are assembled between rings with optimized clearance.

6. Inspection & Testing – Dimensional accuracy, roundness, noise, and vibration are thoroughly tested.

Why Choose the Metric Thin-Section Ball Bearing Series – Open Type A?

The Open Type A series offers a reliable solution for space-sensitive, high-precision systems. With advanced production techniques, strict quality control, and versatile adaptability, these bearings are the ideal choice for industries that demand lightweight construction and superior performance.

 

Catalogue

 

 

Part No Dimension(mm) Basic Cap(kg) Weight Interchange
d D H Cor Cr Coa Ca Kg KAYDON
K02508AR0 25 41 8 372 272 1073 561 0.06 K02508AR0
K05008AR0 50 66 8 656 367 1894 819 0.08 K05008AR0
K06008AR0 60 76 8 787 408 2273 925 0.09 K06008AR0
K07008AR0 70 86 8 896 440 2588 1099 0.10 K07008AR0
K08008AR0 80 96 8 1006 470 2903 1090 0.12 K08008AR0
K09008AR0 90 106 8 1137 505 3282 1182 0.13 K09008AR0
K10008AR0 100 116 8 1246 533 3598 1257 0.14 K10008AR0
K11008AR0 110 126 8 1356 561 3914 1329 0.15 K11008AR0
K12008AR0 120 136 8 1465 587 4229 1400 0.16 K12008AR0
K13008AR0 130 146 8 1596 618 4608 1482 0.17 K13008AR0
K14008AR0 140 156 8 1706 643 4923 1549 0.18 K14008AR0
K15008AR0 150 166 8 1815 667 5239 1615 0.19 K15008AR0
K16008AR0 160 176 8 1946 696 5618 1691 0.20 K16008AR0
K17008AR0 170 186 8 2055 720 5933 1754 0.21 K17008AR0
K18008AR0 180 196 8 2165 742 6249 1816 0.22 K18008AR0
K19008AR0 190 206 8 2296 769 6628 1889 0.23 K19008AR0
K20008AR0 200 216 8 2405 791 6944 1948 0.23 K20008AR0
K25008AR0 250 266 8 2974 897 8585 2244 0.28 K25008AR0
K30008AR0 300 316 8 3564 999 10289 2532 0.33 K30008AR0
K32008AR0 320 336 8 3805 1039 10983 2645 0.36 K32008AR0
K34008AR0 340 356 8 4023 1073 11614 2745 0.38 K34008AR0
K36008AR0 360 376 8 4264 1110 12309 2854 0.40 K36008AR0

 

Part No Dimension(mm) Basic Cap(kg) Weight Interchange
d D H Cor Cr Coa Ca Kg KAYDON
K02513AR0 25 51 13 616 554 1778 1075 0.13 K02513AR0
K05013AR0 50 76 13 1064 725 3070 1547 0.20 K05013AR0
K06013AR0 60 86 13 1232 782 3555 1706 0.22 K06013AR0
K07013AR0 70 96 13 1456 860 4201 1906 0.25 K07013AR0
NK08013AR0 80 106 13 1623 913 4686 2050 0.28 K08013AR0
K09013AR0 90 116 13 1791 964 5171 2190 0.31 K09013AR0
K10013AR0 100 126 13 1959 1013 5656 2324 0.34 K10013AR0
K11013AR0 110 136 13 2127 1061 6141 2455 0.37 K11013AR0
K12013AR0 120 146 13 2295 1108 6625 2583 0.39 K12013AR0
K13013AR0 130 156 13 2519 1171 7272 2748 0.42 K13013AR0
K14013AR0 140 166 13 2687 1215 7757 2869 0.45 K14013AR0
K15013AR0 150 176 13 2855 1258 8241 2987 0.48 K15013AR0
K16013AR0 160 186 13 3023 1301 8726 3104 0.51 K16013AR0
K17013AR0 170 196 13 3191 1342 9211 3217 0.54 K17013AR0
K18013AR0 180 206 13 3359 1382 9696 3329 0.56 K18013AR0
K19013AR0 190 216 13 3527 1422 10181 3439 0.59 K19013AR0
K20013AR0 200 226 13 3750 1476 10827 3583 0.62 K20013AR0
K25013AR0 250 276 13 4590 1659 13251 4100 0.76 K25013AR0
K30013AR0 300 326 13 5486 1840 15837 4618 0.90 K30013AR0
K32013AR0 320 346 13 5822 1904 16806 4804 0.96 K32013AR0
K34013AR0 340 366 13 6213 1978 17937 5017 1.02 K34013AR0
K36013AR0 360 386 13 6550 2038 18907 5196 1.07 K36013AR0

 

Part No Dimension(mm) Basic Cap(kg) Weight Interchange
d D H Cor Cr Coa Ca Kg KAYDON
K02520AR0 25 65 20 1134 1155 3272 2115 0.31 K02520AR0
K05020AR0 50 90 20 1889 1460 5454 2973 0.49 K05020AR0
K06020AR0 60 100 20 2141 1547 6181 3231 0.56 K06020AR0
K07020AR0 70 110 20 2393 1633 6908 3480 0.62 K07020AR0
K08020AR0 80 120 20 2645 1717 7635 3720 0.69 K08020AR0
K09020AR0 90 130 20 3023 1851 8726 4067 0.77 K09020AR0
K10020AR0 100 140 20 3275 1929 9453 4290 0.84 K10020AR0
K11020AR0 110 150 20 3527 2005 10181 4507 0.91 K11020AR0
K12020AR0 120 160 20 3778 2080 10908 4719 0.97 K12020AR0
K13020AR0 130 170 20 4030 2154 11635 4927 1.04 K13020AR0
K14020AR0 140 180 20 4282 2226 12362 5130 1.11 K14020AR0
K15020AR0 150 190 20 4660 2339 13453 5427 1.19 K15020AR0
K16020AR0 160 200 20 4912 2407 14180 5621 1.26 K16020AR0
K17020AR0 170 210 20 5146 2474 14907 5811 1.32 K17020AR0
K18020AR0 180 220 20 5416 2540 15634 5999 1.39 K18020AR0
K19020AR0 190 230 20 5668 2605 16361 6183 1.46 K19020AR0
K20020AR0 200 240 20 6045 2706 17452 6455 1.54 K20020AR0
K25020AR0 250 290 20 7431 3041 21452 7408 1.89 K25020AR0
K30020AR0 300 340 20 8691 3317 25088 8222 2.23 K30020AR0
K32020AR0 320 360 20 9321 3454 26906 8615 2.37 K32020AR0
K34020AR0 340 380 20 9824 3556 28360 8923 2.51 K34020AR0
K36020AR0 360 400 20 10454 3685 30178 9300 2.66 K36020AR0

 

Packaging of Thin-Section Bearings

Thin-section bearings are high-precision components that require careful handling and specialized packaging to ensure they arrive in perfect condition. Proper packaging not only safeguards the bearings during transportation and storage but also preserves their cleanliness, accuracy, and performance standards.

Standard Packaging Features

1. Anti-Rust Protection

Each bearing is coated with a thin layer of anti-rust oil or grease after final inspection.

Bearings are sealed in vacuum or moisture-proof film to prevent corrosion during transit.

2. Individual Bearing Packaging

Bearings are packed in clean polyethylene bags or heat-sealed plastic pouches.

Labels include bearing model, batch number, and inspection code for traceability.

3. Intermediate Protection

Bearings are placed in small cartons with shock-absorbing liners to prevent friction or impact.

Cartons are moisture-resistant and designed to withstand light compression.

4. Outer Packaging

Cartons are consolidated into export-standard plywood cases or reinforced corrugated boxes, strapped for stability.

Each case is clearly marked with shipping details, product codes, and handling instructions (e.g., Keep Dry, Handle with Care).

Optional Packaging (Upon Request)

Vacuum-sealed aluminum foil for long-term storage or overseas shipping.

Customized branded packaging for OEM projects.

Desiccants and VCI (Volatile Corrosion Inhibitor) bags for enhanced anti-moisture protection.

Packaging Process Flow

  1. Final Cleaning & Rust Prevention
  2. Individual Bearing Wrapping
  3. Carton Packing with Shock Absorbers
  4. Outer Case Consolidation
  5. Sealing, Labeling & Palletizing

 

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