693 — 3 × 8 × 3 mm

What each manufacturer published.

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

Where the sources agree.

Where the figures differ, use the drawing from the manufacturer you buy from.

Calculated from the published values.

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

The works that publish 693.

CZ

Ningbo, Zhejiang, China

Miniature motor bearings and inch series

Cixi Lisheng manufactures miniature and small motor bearings under the CZ brand. Its catalogue includes metric 60, 62, 68, 69 and 16000 series, inch R series, stainless steel and nonstandard products. The company identifies brushless motors, power tools, garden tools and drones as applications. Confirm the exact model and operating requirements before specifying.

Published ranges: Metric miniature motor bearings · Inch R-series bearings · Stainless steel bearings · Nonstandard bearing designs

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

Ask CZ about 693

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GOOT

Ningbo, Zhejiang, China

Deep groove ball bearings and miniature variants

Ningbo Goot manufactures deep groove ball bearings under the GOOT trademark. The catalogue includes stainless steel, flanged and angular contact variants. The company identifies precision motors, power tools, automotive, dental and office-equipment applications, so operating speed, lubricant selection and environmental conditions are important parts of the inquiry.

Published ranges: Deep groove ball bearings · Stainless steel and flanged variants · Angular contact ball bearings

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

Ask GOOT about 693

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Huashuo

Ningbo, Zhejiang, China

Small deep groove and angular contact bearings

Ningbo Huashuo manufactures miniature and small deep groove ball bearings and angular contact bearings. Its published examples include 6000-2RS, 6001ZZ and 6002ZZ, along with flanged and extended-inner-ring designs. The company describes applications in motor-driven appliances and tools; ring geometry and closures should be confirmed with the model drawing.

Published ranges: Miniature and small deep groove ball bearings · Angular contact ball bearings · Flanged and extended-inner-ring variants

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

Ask Huashuo about 693

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RCL

Ningbo, Zhejiang, China

Thin-wall ball bearings for compact mechanisms

Ningbo Shilong manufactures high-precision bearings under the RCL name. Its published catalogue includes 67, 68, 69 and 60 series, with an emphasis on thin-wall bearings for compact mechanisms. Application pages identify encoders, motors, robots, bicycles and circular looms. Space envelope and rotational requirements are useful starting points for a technical inquiry.

Published ranges: 67- and 68-series thin-wall bearings · 69-series ball bearings · 60-series ball bearings

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

Ask RCL about 693

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Yifeng

Ningbo, Zhejiang, China

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.

Published ranges: Miniature deep groove ball bearings · 604–609 and 6000–6005 series · Inch and nonstandard bearings

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

Ask Yifeng about 693

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Applications the publishing works state.

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 · Limiting speed · Lubrication · Operating temperature · Precision standard · Ring material · Rolling element material · Noise / vibration test method · Manufacturer series · Manufacturer suffix · Ball count · Ball diameter.

Ask the manufacturer for these when you enquire.

Other designations with the same 3x8x3 mm envelope.

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

Neighbouring designations documented here.

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