{"schemaVersion":"ready-scan.discovery-surface.v1","id":"urn:readyscan:corpus:evidence:hch-bearing-group-q140197083","key":"evidence:hch-bearing-group-q140197083","kind":"evidence","slug":"hch-bearing-group-q140197083","canonicalUrl":"https://directory.readyscan.ai/corpus/evidence/hch-bearing-group-q140197083","machineUrl":"https://directory.readyscan.ai/discovery/corpus/evidence/hch-bearing-group-q140197083.json","datePublished":"2026-10-19","dateModified":"2026-10-25","materialFingerprint":"fnv1a64:6f4c841a3c5d4a5b","membershipFingerprint":"fnv1a64:0525187c4cfbb63c","relatedEntitySlugs":["hch-bearing-group-q140197083"],"relatedSurfaceKeys":["buyer_question:hch-bearing-group-q140197083-answer-035645b6ec4023157de8","buyer_question:hch-bearing-group-q140197083-answer-0d5ec00d9d37b05f90a1","buyer_question:hch-bearing-group-q140197083-answer-114ec8c9def0ac8a4593","buyer_question:hch-bearing-group-q140197083-answer-19629fb8afdbe06afea9","buyer_question:hch-bearing-group-q140197083-answer-537f7a60d4a534bc791e","buyer_question:hch-bearing-group-q140197083-answer-591503c235a707716fa6","buyer_question:hch-bearing-group-q140197083-answer-5c75137959f1f2123c14","buyer_question:hch-bearing-group-q140197083-answer-623030dfb5c0fd2bc78f","buyer_question:hch-bearing-group-q140197083-answer-940628302d4bc371813e","buyer_question:hch-bearing-group-q140197083-answer-9f0cf71e6e7586b6efb6","buyer_question:hch-bearing-group-q140197083-answer-9f34ec807ac3782713db","buyer_question:hch-bearing-group-q140197083-answer-c04b29767185865181f1","relationship:hch-bearing-group-q140197083-products-and-services"],"sourceIds":["ready-scan-subjects"],"provenance":[{"snapshotId":"hch-bearing-group-q140197083-content-2e4f6e260c795b67-snapshot","sourceId":"ready-scan-subjects","sourceRecordId":"Q140197083","sourceRevisionId":"Q140197083:content:3ab2f3db650ad742","sourceContentHash":"fnv1a64:f582a2dc1c68ed0c","recordRevisionId":"Q140197083:content:3ab2f3db650ad742","recordContentHash":"fnv1a64:b793014ad234c46a","sourceCanonicalUrl":"https://huanchi.com/","sourceModifiedAt":"2026-10-25T12:05:53.911Z","observedOn":"2026-10-25","permission":{"basis":"public_information","evidenceUrl":"https://huanchi.com/"},"attributionUrl":"https://huanchi.com/"}],"quality":{"method":"same_kind_unique_trigram_floor","minimumUniqueTrigramRatio":0.3,"status":"passed"},"title":"HCH Bearing Group — company guide","summary":"HCH Bearing Group: “HCH Bearing Group, founded in 1973, is a leading global precision bearing manufacturer. Core products: deep groove ball bearings, flexible bearings, crossed roller bearings, tapered roller bearings, miniature bearings, four-point contact bearings. Serving robotics, EV, industrial automation. Annual revenue: 2B+ RMB.”","facts":[{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-879122ef4b1d31c007f7","label":"HCH Bearing Group","value":"“HCH Bearing Group, founded in 1973, is a leading global precision bearing manufacturer. Core products: deep groove ball bearings, flexible bearings, crossed roller bearings, tapered roller bearings, miniature bearings, four-point contact bearings. Serving robotics, EV, industrial automation. Annual revenue: 2B+ RMB.”","sourceUrls":["https://huanchi.com/en/"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-035645b6ec4023157de8","label":"What types of bearings does HCH mainly produce?","value":"“HCH produces six core precision bearing series: Deep Groove Ball Bearings, Flexible/Thin-Section Bearings, Miniature/Micro Bearings, Four-Point Contact Bearings, Tapered Roller Bearings, Crossed Roller Bearings. Annual output exceeds 800 million units.”","sourceUrls":["https://huanchi.com/en/faq.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-19629fb8afdbe06afea9","label":"How do I choose the right bearing type?","value":"“Consider load type, space constraints, accuracy requirements, speed, and environment. Contact james@hchbearing.com for free selection proposal.”","sourceUrls":["https://huanchi.com/en/faq.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-591503c235a707716fa6","label":"Difference between flexible and crossed roller bearings?","value":"“Flexible bearings: ultra-thin, 30-50% lighter. Crossed roller: orthogonal cylinders, ≤0.005mm accuracy, higher rigidity. Both used in harmonic reducers.”","sourceUrls":["https://huanchi.com/en/faq.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-c04b29767185865181f1","label":"What do bearing accuracy grades mean?","value":"“P0 normal, P6 medium, P5 high, P4 ultra-precision, P2 highest. HCH produces P0-P2 with CNAS-accredited lab.”","sourceUrls":["https://huanchi.com/en/faq.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-0d5ec00d9d37b05f90a1","label":"What quality certifications does HCH hold?","value":"“IATF 16949, ISO 9001, CNAS-Accredited Laboratory, Zhejiang SRDI Enterprise.”","sourceUrls":["https://huanchi.com/en/faq.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-114ec8c9def0ac8a4593","label":"What materials are used?","value":"“Standard: GCr15 bearing steel. Options: 440C stainless steel, DLC coatings, chrome plating.”","sourceUrls":["https://huanchi.com/en/faq.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-940628302d4bc371813e","label":"How long do HCH bearings last?","value":"“Design life 20,000-50,000 hours under standard conditions. 30+ life testing machines verify reliability.”","sourceUrls":["https://huanchi.com/en/faq.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-623030dfb5c0fd2bc78f","label":"What is the Minimum Order Quantity?","value":"“Standard: 100-500 units. Custom: from 1,000 units. Free samples available.”","sourceUrls":["https://huanchi.com/en/faq.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-9f34ec807ac3782713db","label":"What is the delivery lead time?","value":"“Standard: 3 days (urgent 24h). Custom: 2-4 weeks (expedited 1-2 weeks).”","sourceUrls":["https://huanchi.com/en/faq.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-9f0cf71e6e7586b6efb6","label":"How do I request a quotation?","value":"“Provide bearing model, quantity, accuracy, material, sealing type. Send to james@hchbearing.com. Quote within 1-2 days.”","sourceUrls":["https://huanchi.com/en/faq.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-5c75137959f1f2123c14","label":"Which countries does HCH export to?","value":"“70+ countries, 18 overseas companies. Partners: Bosch, Siemens, Brose, Nidec, WEG.”","sourceUrls":["https://huanchi.com/en/faq.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-537f7a60d4a534bc791e","label":"Does HCH provide customization?","value":"“Yes. 100+ R&D team, in-house grinding equipment. Custom: dimensions, materials, coatings, lubrication, sealing.”","sourceUrls":["https://huanchi.com/en/faq.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-87c4182b50d22103cf31","label":"Automotive Applications","value":"“Full series of high-precision, long-life bearing solutions covering new energy powertrain, EPS steering systems, air conditioning compressors, alternators, starters, etc., meeting IATF 16949 standards.”","sourceUrls":["https://huanchi.com/en/application.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-be3956b1f1158766cb49","label":"Robotics Applications","value":"“High-precision flexible bearings, thin-section bearings, tapered roller bearings and crossed roller bearings for robot joint modules, harmonic reducers, RV reducers, servo motors and frameless torque motors.”","sourceUrls":["https://huanchi.com/en/application.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-bf6464909ecfd0ffc759","label":"Home Appliance Applications","value":"“Quiet, long-life, maintenance-free miniature and small bearings for air conditioners, washing machines, refrigerators, vacuum cleaners, range hoods and various kitchen appliances.”","sourceUrls":["https://huanchi.com/en/application.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-76783729399fcd7838f2","label":"Industrial Motor Applications","value":"“High-efficiency, energy-saving, low-noise motor-specific bearings covering IE4/IE5 ultra-efficient motors, explosion-proof motors, servo motors and variable frequency motors.”","sourceUrls":["https://huanchi.com/en/application.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-fbbd5fe9ea9ef9a34ed4","label":"Reducer & Gearbox Applications","value":"“High-load, high-rigidity, low-noise specialized bearings adapted for planetary reducers, worm gear reducers, harmonic reducers, RV reducers and four-series reducers.”","sourceUrls":["https://huanchi.com/en/application.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-4795b789aa81874086db","label":"General Machinery Applications","value":"“High-reliability, long-life bearings for industrial pumps, fans, compressors, power tools and various transmission equipment, featuring excellent fatigue resistance and sealing design.”","sourceUrls":["https://huanchi.com/en/application.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-19d6e00355bb16317bd3","label":"Other Industry Solutions","value":"“Customized bearing solutions for drones, motorcycles, textile machinery, agricultural machinery, construction machinery, mining machinery and more.”","sourceUrls":["https://huanchi.com/en/application.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-4f8ffb881d4ff6aed1e6","label":"Deep Groove Ball Bearings","value":"“Simple structure, easy to use, primarily handles radial loads. Precision grades P0/P6/P5, max speed 30,000 RPM, compliant with IATF 16949 standards.”","sourceUrls":["https://huanchi.com/en/product.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-2d9b60ecc53d2dab98f5","label":"Flexible / Thin-Section Bearings","value":"“Ultra-thin cross-section, lightweight design, precision P5/P4, 30%-50% weight reduction. Used in robot harmonic reducers and joint modules.”","sourceUrls":["https://huanchi.com/en/product.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-af4c6cd9e8ff3374ae04","label":"Miniature / Micro Bearings","value":"“Inner diameter 1mm-10mm, ABEC-5/7 precision, ultra-low noise. Used in micro motors, dental handpieces, and drones.”","sourceUrls":["https://huanchi.com/en/product.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-6ea27a3a1ef2e833981a","label":"Four-Point Contact Bearings","value":"“35° contact angle, bidirectional axial load capacity, precision P5/P4, space-saving design. Used in harmonic reducers and EPS steering systems.”","sourceUrls":["https://huanchi.com/en/product.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-2cabbe1205d385b131b1","label":"Tapered Roller Bearings","value":"“High radial + axial combined load capacity, suitable for heavy-duty applications, compliant with ISO 355. Used in RV reducers and construction machinery.”","sourceUrls":["https://huanchi.com/en/product.html"]},{"id":"content-native-digital-agencies-ffd9b35fe8233606-a-31c6a8f1e9e7a8eb7d2e","label":"Crossed Roller Bearings","value":"“Orthogonal cylindrical roller arrangement, rotational accuracy ≤0.005mm, P4/P2 optional. Used in harmonic reducers, CNC rotary tables, and medical imaging equipment.”","sourceUrls":["https://huanchi.com/en/product.html"]},{"id":"wikidata-p571-e04a79989b7b5a9e","label":"Founded","value":"1973","sourceUrls":["https://www.wikidata.org/wiki/Special:EntityData/Q140197083.json?revision=2547935701"]}]}