Hardchn
Manufacturer profile · product scope, documented models and source records.
Miniature deep groove motor bearings
Ningbo Hardchn manufactures miniature deep groove ball bearings. Its published product organization includes 60, 62, 63, 68 and 69 series, along with nonstandard designs. The company focuses on motor-bearing requirements such as noise and vibration. Exact tolerances, lubricant and test conditions should be included in the purchasing specification. 6 documented model records are available below.

宁波华驰轴承有限公司
Ningbo, Zhejiang, China
Research date · 2026-09-24
Account · Not claimed
Account approval and product evidence are reviewed separately. A directory listing is not an independent factory audit.
Published product focus.
Company-level scopeExplore the product range.
Hardchn · published scope- 60-, 62- and 63-series ball bearings
- 68- and 69-series ball bearings
- Nonstandard deep groove designs
Product families describe the manufacturer’s published scope. Exact dimensions, materials, availability and performance require a model-specific drawing and confirmation.
Applications described by the manufacturer.
- Electric motors
A useful brief for Hardchn.
Describe the assembly and operating conditions so the proposed bearing can be assessed against your requirements.
- Provide the bearing model or a drawing with bore, outside diameter and width, including any special ring or flange geometry.
- State radial and axial loads, operating speed, duty cycle and the required service temperature.
- Specify seals or shields, lubricant, clearance and any noise or vibration acceptance criteria.
- Identify the required quantity, sample-approval process and inspection documents for Hardchn.
For qualification, request current drawings, material identification and applicable inspection records. No material report or independent factory audit is implied by this listing.
Prepare an inquiryDocumented models.
6 model recordsEvidence, with boundaries.
Our review approach →Hardchn published product scope reviewed
The manufacturer website describes miniature deep groove motor bearings.
Scope: Official website product scope only. No independent factory audit, material-report review or model-level performance validation is implied.
Company-level record; not a model test report · 2026-09-24 04:20:34
Source documentation retained for editorial review.