Yifeng
Manufacturer profile · product scope, documented models and source records.
Miniature and nonstandard ball bearings
Ningbo Yifeng manufactures miniature, inch and nonstandard bearings in Cixi. Its published production scope centers on small deep groove ball-bearing series, including 604–609 and 6000–6005. The company describes automated grinding and assembly lines. Buyers should specify complete dimensions and closure details when comparing standard and customized variants. 3 documented model records are available below.

宁波伊锋轴承有限公司
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.
Yifeng · published scope- Miniature deep groove ball bearings
- 604–609 and 6000–6005 series
- Inch and nonstandard bearings
Product families describe the manufacturer’s published scope. Exact dimensions, materials, availability and performance require a model-specific drawing and confirmation.
A useful brief for Yifeng.
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 Yifeng.
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.
3 model recordsEvidence, with boundaries.
Our review approach →Yifeng published product scope reviewed
The manufacturer website describes miniature and nonstandard ball 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.