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THE BEARINGINDEX DIRECTORY

6707zz — 35 × 44 × 5 mm

BOUNDARY DIMENSIONSUNIT / mm
B = 5 mmD = 44 mmd = 35 mm
Boundary dimensions · schematic, not a product photograph or manufacturing drawing.
Deep groove ball

6707zz

6707zz is a deep groove ball designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 35 × 44 × 5 mm. The designation ends in bore code 07, which resolves to a 35 mm bore under ISO 15 and matches what the manufacturers published. The publishing works are in Zhejiang province, China. Every value below comes from that manufacturer’s own published material, with the date it was recorded.

Bore d
35 mm
Outside D
44 mm
Width B
5 mm

Compare the 1 publication

What each manufacturer published.

ManufacturerSource recorded
Hongchi
6707zz
2026-09-24Request

A dash means that manufacturer did not publish the value. Dimensions every source agrees on are shown above rather than repeated per row.

Calculated from the published values.

FigureHow it is obtainedResult
Radial section height(D − d) / 24.5 mm
Mean diameter dm(D + d) / 239.5 mm

Arithmetic on the figures above — not a bearing life calculation for your load case.

The works that publish 6707zz.

Hongchi

Ningbo, Zhejiang, China

Miniature metric, inch and thrust bearings

Ningbo Hongchi manufactures miniature bearings with a published bore range of 1–40 mm. Its product scope includes metric and inch miniature bearings, flanged bearings and flat thrust ball bearings. The company lists miniature motors, cooling fans, drones, instruments and medical equipment among its applications; exact material and closure options should be confirmed per model.

Published ranges: Metric and inch miniature bearings · Flanged miniature bearings · Flat thrust ball bearings

80 designations documented here · 1 reviewed evidence record · source recorded 2026-09-24

Ask Hongchi about 6707zz

Applications the publishing works state.

ApplicationStated by
Cooling fansHongchi
DronesHongchi
Miniature motorsHongchi
Precision instrumentsHongchi

Application areas each manufacturer states for its own range. Confirm load, speed, temperature and lubrication for your case.

Not documented by any source here.

Precision class · Internal clearance · Sealing · Material · Cage material · Z class · V class · Dynamic load rating · Static load rating · Limiting speed · Lubrication · Operating temperature · Precision standard · Ring material · Rolling element material · Limiting speed — grease · Limiting speed — oil · Noise / vibration test method · Manufacturer series · Manufacturer suffix · Ball count · Ball diameter · Reference mass.

Ask the manufacturer for these when you enquire.

Other designations with the same 35x44x5 mm envelope.

DesignationBearing familyWorks
6707Deep groove ball1

Same envelope, but sealing, internal design, clearance and load capability differ — not interchangeable by default.

Neighbouring designations documented here.

DesignationEnvelope d × D × B (mm)Bearing familyWorks
670010 × 15 × 3Deep groove ball3
6700ZZ/2RS10 × 15 × 3Deep groove ball1
670112 × 18 × 4Deep groove ball3
6701ZZ/2RS12 × 18 × 4Deep groove ball1
670215 × 21 × 4Deep groove ball3
6702zz15 × 21 × 4Deep groove ball1
6702ZZ/2RS15 × 21 × 4Deep groove ball1
670317 × 23 × 4Deep groove ball3
6703ZZ/2RS17 × 23 × 4Deep groove ball1
670420 × 27 × 4Deep groove ball3
670525 × 32 × 4Deep groove ball2
6705zz25 × 32 × 4Deep groove ball1
670630 × 37 × 4Deep groove ball2
670735 × 44 × 5Deep groove ball1
670840 × 50 × 6Deep groove ball1
6708zz40 × 50 × 6Deep groove ball1
670945 × 55 × 6Deep groove ball1
6709zz45 × 55 × 6Deep groove ball1

Each envelope shown is that designation’s own published size.

Request a quote for 6707zz.

Tick the works you want above, then send one enquiry — each manufacturer answers you separately and cannot see the others.

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Figures on this page are each manufacturer’s own published material, recorded on the dates shown. How we check sources →