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63803 — 17 × 26 × 7 mm

BOUNDARY DIMENSIONSUNIT / mm
B = 7 mmD = 26 mmd = 17 mm
Boundary dimensions · schematic, not a product photograph or manufacturing drawing.
Deep groove ball

63803

63803 is a deep groove ball designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 17 × 26 × 7 mm. The designation ends in bore code 03, which resolves to a 17 mm bore under ISO 15 and matches what the manufacturers published. The publishing works are in Shanghai province, China. Every value below comes from that manufacturer’s own published material, with the date it was recorded.

Bore d
17 mm
Outside D
26 mm
Width B
7 mm

Compare the 1 publication

What each manufacturer published.

ManufacturerSource recorded
SFH
63803		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) / 221.5 mm

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

The works that publish 63803.

SFH

Shanghai, China

Miniature and thin-section ball bearings

Shanghai Hengan manufactures miniature bearings under the SFH brand, with a factory in Wuxi and technical and inspection functions in Shanghai. Its catalogue covers metric, inch and flanged deep groove bearings, thin-section designs, double-row angular contact bearings and thrust bearings. Special nonstandard designs are also listed.

Published ranges: Metric and inch miniature deep groove bearings · Flanged miniature bearings · Thin-section ball bearings · Double-row angular contact and thrust bearings

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

Ask SFH about 63803

Applications the publishing works state.

ApplicationStated by
Precision machinerySFH
Precision motorsSFH

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.

Neighbouring designations documented here.

DesignationEnvelope d × D × B (mm)Bearing familyWorks
630010 × 35 × 11Deep groove ball7
6300-2RS10 × 35 × 11Deep groove ball1
6300-2RZ10 × 35 × 11Deep groove ball1
6300E10 × 35 × 11Deep groove ball1
6300ZZ10 × 35 × 11Deep groove ball1
6300ZZ/2RS10 × 35 × 11Deep groove ball1
630112 × 37 × 12Deep groove ball5
6301-2RZ12 × 37 × 12Deep groove ball1
6301E12 × 37 × 12Deep groove ball1
6301T1X12 × 37 × 12Deep groove ball1
6301ZZ/2RS12 × 37 × 12Deep groove ball1
630215 × 42 × 13Deep groove ball5
6302-2RZ15 × 42 × 13Deep groove ball1
6302E15 × 42 × 13Deep groove ball1
6302T1X15 × 42 × 13Deep groove ball1
6302ZZ/2RS15 × 42 × 13Deep groove ball1
630317 × 47 × 14Deep groove ball5
6303-2RZ17 × 47 × 14Deep groove ball1

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

Request a quote for 63803.

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 →

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