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Help CenterS13003XS0 Series Ultra-Slim Thin Section Ball Bearing China Supplier 130*136*2.5mm
Product Spotlights
2. Type A/C/X constructions are available.
3. Compact structure, light-weight , low friction, stable rotation, high limiting speed
4. Higher load capacity & rigidity , high precision
5. Widely used in robot joints, radar, aerospace, medical precision equipment and automation / test equipment
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Stainless Steel Four Point Contact Ball Bearings ( x-Type )-2.5mm
Product Overview:
This series is a 2.5mm‑series constant‑section ultra‑slim four‑point‑contact (Type‑X) ball bearings. a single bearing can take combined radial load, bi‑directional axial load and overturning moment load, replacing two sets of angular‑contact bearings and saving substantial axial installation space . Made of stainless steel for excellent corrosion resistance. It is an open‑type full‑complement ball bearing without seals. optimized for oscillating and intermittent rotary motion . Widely applied in humanoid robot joints, precision gimbals, optical instruments, high‑precision medical devices, aerospace and inspection equipment with compact layout and complex moment loads.
Structure Types:
1. Type‑C (CP0) Radial contact
Mainly for radial load, limited axial capacity. Low friction torque, suitable for high‑speed light‑medium load applications.
2. Type‑A (AR0) Angular contact
Carry combined radial + single‑direction axial load (30° contact angle). Pair mounting for bidirectional thrust. Good rigidity for precision rotary parts.
3. Type‑X (XP0) Four‑point contact
Single bearing supports radial, bidirectional axial and moment loads. Can replace two angular contact bearings, simplify mechanical structure and reduce component count. Ideal for robot joints and rotary tables with overturning moment.
kaydon thin-section bearings Structure:
Open Radial Contact Ball Bearings
Open Angular Contact Ball Bearings
Open Four Point Contact Ball Bearings
Sealed Radial Contact Ball Bearings
Sealed Four Point Contact Ball Bearings
Application:
humanoid robot joints
precision gimbals
optoelectronic inspection equipment
optical instruments
high‑precision medical machinery
aerospace equipment
precision automation actuators.
If you have need, customization is available according to drawings or samples. pls contact with us anytime~
Parameters:
| Stainless Steel Four Point Contact Ball Bearing (X Type )-2.5mm | |||||||||
| Bearing type |
Dimensions in lnches | Loading capacity （ N ） | Weight (g) |
||||||
| radial loading | max load | ||||||||
| d | D | L1 | L2 | Cor | Cr | thrust | torque | ||
| S03503XS0 | 35 | 41 | 37.2 | 38.8 | 710 | 580 | 1040 | 7.9 | 5 |
| S06003XS0 | 60 | 66 | 62.2 | 63.8 | 1200 | 840 | 930 | 11.8 | 9 |
| S07003XS0 | 70 | 76 | 72.2 | 73.8 | 1400 | 930 | 890 | 13 | 11 |
| S07403XS0 | 74 | 80 | 76.2 | 77.8 | 1480 | 960 | 860 | 13.4 | 11 |
| S08003XS0 | 80 | 86 | 82.2 | 83.8 | 1600 | 1010 | 840 | 14 | 12 |
| S09003XS0 | 90 | 96 | 92.2 | 93.8 | 1800 | 1090 | 800 | 14.9 | 13 |
| S10003XS0 | 100 | 106 | 102.2 | 103.8 | 2000 | 1170 | 750 | 15.6 | 15 |
| S11003XS0 | 110 | 116 | 112.2 | 113.8 | 2200 | 1250 | 730 | 16.6 | 16 |
| S12003XS0 | 120 | 126 | 122.2 | 123.8 | 2400 | 1320 | 680 | 17 | 18 |
| S13003XS0 | 130 | 136 | 132.2 | 133.8 | 2610 | 1400 | 640 | 17.2 | 19 |
| S14003XS0 | 140 | 146 | 142.2 | 143.8 | 2810 | 1470 | 620 | 17.8 | 21 |
| S15003XS0 | 150 | 156 | 152.2 | 153.8 | 3010 | 1530 | 600 | 18.4 | 22 |
| S16003XS0 | 160 | 166 | 162.2 | 163.8 | 3210 | 1600 | 570 | 18.9 | 24 |
| S17003XS0 | 170 | 176 | 172.2 | 173.8 | 3410 | 1660 | 550 | 19.2 | 25 |
Company Profile：
Luoyang Yadian Machinery Equipment Co., Ltd. is a comprehensive enterprise specializing in the R&D, production, and sales of precision bearings. With deep expertise in the precision bearing manufacturing sector, its products are widely applied in high-end CNC machine tools, industrial robots, humanoid robots, aerospace and defense, semiconductors, and medical equipment.
Luoyang Yadian specializes in the R&D and production of precision rotary table bearings, crossed roller bearings, crossed tapered roller bearings, and thin-section bearings. We also manufacture precision angular contact ball bearings, harmonic reducers in humanoid and industrial robots (including flexible bearings) and customized non-standard bearings. Our product sizes range from Φ3mm to Φ2500mm, meeting the customized matching needs of various industries and operating conditions.
Main products include YRT, YRTS, YRTM, and ZKLDF series rotary table bearings; RB, RE, RU, RA, RA-C, RAU, CRB, CRBC, CRBH, CRBS, CRBT, CRBTF, XU, XSU, and SX series crossed roller bearings; XR, JXR, and Z series crossed tapered roller bearings; CSF (CSG), SHF (SHG), flexible bearings, and RV series reducer bearings; KA, KB, KC, KD, KF, KG, JA, JB, JU, and JG series thin-section bearings; as well as precision machine tool spindle bearings and customized non-standard bearings.The company’s core advantages lie in its high precision, high rigidity, high stability, excellent quality at competitive prices, and flexible customization, providing professional matching services to numerous clients both at home and abroad.
Our products are widely used in high-end CNC machine tools, rotary tables, industrial robots and joints, humanoid robots and joints, aerospace and defense, medical equipment, as well as high-end instruments and optical equipment in the semiconductor industry. Furthermore, we have long served major scientific research institutes, enterprises, public institutions, and key national research projects. Our products have been exported to Germany, Italy, Russia, the United States, Japan, Spain, Switzerland, as well as other regions across Europe, America, the Middle East, and Southeast Asia, earning widespread popularity and acclaim in the global market.
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