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6810zz — 50 × 65 × 7 mm

BOUNDARY DIMENSIONSUNIT / mm
B = 7 mmD = 65 mmd = 50 mm
Boundary dimensions · schematic, not a product photograph or manufacturing drawing.
Deep groove ball

6810zz

6810zz is a deep groove ball designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 50 × 65 × 7 mm. The designation ends in bore code 10, which resolves to a 50 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
50 mm
Outside D
65 mm
Width B
7 mm

Compare the 1 publication

What each manufacturer published.

ManufacturerSource recorded
Hongchi
6810zz
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) / 27.5 mm
Mean diameter dm(D + d) / 257.5 mm

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

The works that publish 6810zz.

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 6810zz

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 50x65x7 mm envelope.

DesignationBearing familyWorks
6810Deep groove ball2
6810ZZ/2RSDeep groove ball1
71810ACAngular contact1
71810CAngular contact1
S6810ZZ/2RSDeep 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
680010 × 19 × 5Ball bearings5
6800W710 × 19 × 7Deep groove ball1
6800ZZ/2RS10 × 19 × 5Deep groove ball1
680112 × 21 × 5Deep groove ball4
6801ZZ/2RS12 × 21 × 5Deep groove ball1
680215 × 24 × 5Deep groove ball4
6802ZZ/2RS15 × 24 × 5Deep groove ball1
680317 × 26 × 5Deep groove ball4
6803zz17 × 26 × 5Deep groove ball1
6803ZZ/2RS17 × 26 × 5Deep groove ball1
680420 × 32 × 7Deep groove ball5
6804ZZ/2RS20 × 32 × 7Deep groove ball1
680525 × 37 × 7Deep groove ball5
6805ZZ/2RS25 × 37 × 7Deep groove ball1
680630 × 42 × 7Deep groove ball5
6806ZZ/2RS30 × 42 × 7Deep groove ball1
680735 × 47 × 7Deep groove ball3
6807ZZ/2RS35 × 47 × 7Deep groove ball1

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

Request a quote for 6810zz.

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 →