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Help Center3.0×3.5×0.25inch NA030CP0 NA030AR0 NA030XP0 Customized Endurakote Hard Chrome Coat For Micro Robot Joints
Product Spotlights
2. Compact structure, light-weight , low friction, stable rotation
3. Higher load capacity & rigidity , high precision
4. Widely used in robotics, radar, medical CT and optical rotary platforms
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NA Series Thin-Section Constant Cross-Section Bearing
Product Overview:
NA series are imperial constant cross‑section thin‑section ball bearings with a fixed 0.25inch (6.35mm) cross-section. The cross-section thickness remains unchanged as the bore diameter increases, greatly saving installation space and reducing overall equipment weight. Rings and balls are standardly made of GCr15 (AISI52100) high‑carbon chromium bearing steel. 440C / 304 / 316L stainless steel and Endurakote hard‑chrome coating are optional.
Precision grades cover P4/P5/P6.
Flexible anti-corrosion upgrade solutions are available, stainless steel base material or Endurakote hard chrome coating can be customized to improve salt spray resistance and wear resistance.
Three structures: Type A angular contact, Type C radial contact and Type X four‑point contact.
Type A can bear radial and unidirectional axial load, and duplex mounting can withstand bidirectional axial force; Type C is mainly for radial load with stable and cost-effective operation; Type X can bear composite moment with a single set, greatly reducing the number of assembly parts.
Standard specifications are available, and customization according to drawings or samples is available for special requirements.
Application:
Industrial robot joints
radar rotary platforms
medical CT equipment
optical inspection stages
survey gimbals
semiconductor rotary modules
precision CNC rotary fixtures.
Parameters:
| Item No. | Dimension | Basic Cap | Unit | Interchange | ||
| (inch / mm) | (N) |
weight | ||||
| d | D | Cor | Cr | Kg | INA | |
| NA020CP0 | 2.000 | 2.500 | 3020 | 1420 | 0.048 | CSCA020 |
| 50.800 | 63.500 | |||||
| NA025CP0 | 2.500 | 3.000 | 3690 | 1600 | 0.059 | CSCA025 |
| 63.500 | 76.200 | |||||
| NA030CP0 |
3.000 | 3.500 | 4400 | 1820 | 0.068 | CSCA030 |
| 76.200 | 88.900 | |||||
| NA035CP0 | 3.500 | 4.000 | 5070 | 2000 | 0.082 | CSCA035 |
| 88.900 | 101.600 | |||||
| NA040CP0 | 4.000 | 4.500 |
5730 | 2130 | 0.090 | CSCA040 |
| 101.600 | 114.300 | |||||
| NA042CP0 | 4.250 | 4.750 | 6090 | 2220 | 0.095 | CSCA042 |
| 107.950 | 120.650 | |||||
| NA045CP0 | 4.500 | 5.000 | 6400 | 2310 | 0.100 | CSCA045 |
| 114.300 | 127.000 | |||||
| NA047CP0 | 4.750 |
5.250 | 6760 | 2400 | 0.104 | CSCA047 |
| 120.650 | 133.350 | |||||
| NA050CP0 | 5.000 | 5.500 | 7070 | 2490 | 0.109 | CSCA050 |
| 127.000 | 139.700 | |||||
| NA055CP0 | 5.500 | 6.000 | 7780 | 2620 | 0.118 | CSCA055 |
| 139.700 | 152.400 | |||||
| NA060CP0 | 6.000 | 6.500 | 8450 | 2800 | 0.130 | CSCA060 |
| 152.400 | 165.100 | |||||
| NA065CP0 | 6.500 | 7.000 | 9110 | 2930 | 0.140 | CSCA065 |
| 165.100 | 177.800 | |||||
| NA070CP0 | 7.000 | 7.500 | 9780 | 3070 | 0.150 | CSCA070 |
| 177.800 | 190.500 | |||||
| NA075CP0 | 7.500 | 8.000 | 10450 | 3200 | 0.160 | CSCA075 |
| 190.500 | 203.200 | |||||
| NA080CP0 | 8.000 | 8.500 | 11110 | 3330 | 0.172 | CSCA080 |
| 203.200 | 215.900 | |||||
| NA090CP0 | 9.000 | 9.500 | 12490 | 3600 | 0.200 | CSCA090 |
| 228.600 | 241.300 | |||||
| NA100CP0 | 10.000 | 10.500 | 13820 | 3870 | 0.227 | CSCA100 |
| 254.000 | 266.700 | |||||
| NA110CP0 | 11.000 | 11.500 | 15160 | 4130 | 0.236 | CSCA110 |
| 279.400 | 292.100 | |||||
| NA120CP0 | 12.000 | 12.500 | 16540 | 4360 | 0.254 | CSCA120 |
| 304.800 | 317.500 | |||||
kaydon thin-section bearings Structure:
Open Radial Contact Ball Bearings (KAA,KA, KB, KC, KD, KF, KG series)
Open Angular Contact Ball Bearings (KAA,KA, KB, KC, KD, KF, KG series)
Open Four Point Contact Ball Bearings (KAA,KA, KB, KC, KD, KF, KG series)
Sealed Radial Contact Ball Bearings (JHA, JA, JB, JU. JG series)
Sealed Four Point Contact Ball Bearings ( JHA, JA, JB, JU, JG series)
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.
The company's 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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