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30TAC72C — 30 × 72 × 15 mm

BOUNDARY DIMENSIONSUNIT / mm
B = 15 mmD = 72 mmd = 30 mm
Boundary dimensions · schematic, not a product photograph or manufacturing drawing.
Angular contact

30TAC72C

30TAC72C is a angular contact designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 30 × 72 × 15 mm. 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
30 mm
Outside D
72 mm
Width B
15 mm

Compare the 1 publication

What each manufacturer published.

ManufacturerStatic load rating (kN)Limiting speed — grease (rpm)Reference mass (kg)Source recorded
YJB
30TAC72C		5480000.352026-09-24Request

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) / 221 mm
Mean diameter dm(D + d) / 251 mm
Speed factor dm · nmean diameter × highest published limiting speed408,000 mm·min−1

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

The works that publish 30TAC72C.

YJB

Hangzhou, Zhejiang, China

Precision spindle and machine-tool bearings

Hangzhou Yijia manufactures precision bearings within the Huaxing group. Its published range includes angular contact ball bearings, cylindrical roller bearings, double-direction thrust angular contact bearings and tapered roller designs. The company describes controlled grinding and assembly environments and applications in machine-tool spindles, medical equipment, instrument motors and robots.

Published ranges: Angular contact ball bearings · Cylindrical roller bearings · Double-direction thrust angular contact bearings · Tapered roller and nonstandard designs

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

Ask YJB about 30TAC72C

Applications the publishing works state.

ApplicationStated by
Instrument motorsYJB
Machine-tool spindlesYJB
Medical equipmentYJB
RoboticsYJB

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 · Limiting speed · Lubrication · Operating temperature · Precision standard · Ring material · Rolling element material · Limiting speed — oil · 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 30x72x15 mm envelope.

DesignationBearing familyWorks
BS3072Angular contact1

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
3020215 × 35 × 11Tapered roller1
3020317 × 40 × 12Tapered roller1
3020420 × 47 × 14Tapered roller1
3020525 × 52 × 15Tapered roller1
3020630 × 62 × 16Tapered roller1
3020735 × 72 × 17Tapered roller1
3020840 × 80 × 17Tapered roller1
3020945 × 85 × 19Tapered roller1
3021050 × 90 × 20Tapered roller1
3030215 × 42 × 13Tapered roller1
3030317 × 47 × 14Tapered roller1
30303D17 × 47 × 14Tapered roller1
3030420 × 52 × 15Tapered roller1
3030525 × 62 × 17Tapered roller1
3030630 × 72 × 19Tapered roller1
30306D30 × 72 × 19Tapered roller1
3030735 × 80 × 21Tapered roller1
3030840 × 90 × 23Tapered roller1

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

Request a quote for 30TAC72C.

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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