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THE BEARINGINDEX DIRECTORY

NJJ

Manufacturer profile · product scope, documented models and source records.

BI-106 / China

Miniature and thin-wall deep groove bearings

Ningbo Zhenhai Jinjinnaichi manufactures small thin-wall deep groove ball bearings under the NJJ name. Its published product organization includes inch, MR, 60, 62, 67 and 68 series. The company emphasizes low-noise bearing production; buyers should specify dimensional series, lubrication and operating speed when comparing miniature options.

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COMPANY RECORD

宁波市镇海金金耐驰轴承有限公司

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 scope
Ball bearings

Explore the product range.

NJJ · published scope
  • Inch and MR miniature series
  • 60- and 62-series ball bearings
  • 67- and 68-series thin-wall bearings

Product families describe the manufacturer’s published scope. Exact dimensions, materials, availability and performance require a model-specific drawing and confirmation.

PREPARE YOUR INQUIRY

A useful brief for NJJ.

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 NJJ.

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 inquiry

Evidence, with boundaries.

Our review approach →

NJJ published product scope reviewed

The manufacturer website describes miniature and thin-wall deep groove 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.