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6205zz — 25 × 52 × 15 mm

BOUNDARY DIMENSIONSUNIT / mm
B = 15 mmD = 52 mmd = 25 mm
Boundary dimensions · schematic, not a product photograph or manufacturing drawing.
Deep groove ball

6205zz

6205zz is a deep groove ball designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 25 × 52 × 15 mm. The designation ends in bore code 05, which resolves to a 25 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
25 mm
Outside D
52 mm
Width B
15 mm

Compare the 1 publication

What each manufacturer published.

ManufacturerSource recorded
Hongchi
6205zz
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) / 213.5 mm
Mean diameter dm(D + d) / 238.5 mm

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

The works that publish 6205zz.

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 6205zz

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 25x52x15 mm envelope.

DesignationBearing familyWorks
30205Tapered roller1
6205Deep groove ball8
6205-2RZDeep groove ball1
6205T1XDeep groove ball1
6205TBDeep groove ball1
6205ZZ/2RSDeep groove ball1
760205-TNAngular contact1
H7205-AC-TA-HQ1-P4Angular contact1
H7205-AC-TA-P4Angular contact1
H7205-C-TA-HQ1-P4Angular contact1
H7205-C-TA-P4Angular contact1
S6205ZZ/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
620010 × 28 × 8Deep groove ball10
6200-2RS10 × 28 × 8Deep groove ball1
6200-2RZ10 × 30 × 9Deep groove ball1
6200E10 × 30 × 9Deep groove ball1
6200T1X10 × 30 × 9Deep groove ball1
6200TB10 × 30 × 9Deep groove ball1
6200ZZ10 × 28 × 8Deep groove ball2
6200ZZ/2RS10 × 30 × 9Deep groove ball1
620112 × 32 × 10Deep groove ball9
6201-2RS12 × 32 × 10Deep groove ball1
6201-2RZ12 × 32 × 10Deep groove ball1
6201E12 × 32 × 10Deep groove ball1
6201T1X12 × 32 × 10Deep groove ball1
6201TB12 × 32 × 10Deep groove ball1
6201ZZ12 × 32 × 10Deep groove ball2
6201ZZ/2RS12 × 32 × 10Deep groove ball1
620215 × 35 × 11Deep groove ball8
6202-2RZ15 × 35 × 11Deep groove ball1

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

Request a quote for 6205zz.

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 →