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H7021-C-TA-HQ1-P4 — 105 × 160 × 26 mm

BOUNDARY DIMENSIONSUNIT / mm
B = 26 mmD = 160 mmd = 105 mm
Boundary dimensions · schematic, not a product photograph or manufacturing drawing.
Angular contact

H7021-C-TA-HQ1-P4

H7021-C-TA-HQ1-P4 is a angular contact designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 105 × 160 × 26 mm. The designation ends in bore code 21, which resolves to a 105 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
105 mm
Outside D
160 mm
Width B
26 mm

Compare the 1 publication

What each manufacturer published.

ManufacturerDynamic load rating (kN)Static load rating (kN)Limiting speed — grease (rpm)Limiting speed — oil (rpm)Reference mass (kg)Source recorded
YJB
H7021-C-TA-HQ1-P4		576012000180001.32026-09-24Request

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) / 227.5 mm
Mean diameter dm(D + d) / 2132.5 mm
Speed factor dm · nmean diameter × highest published limiting speed2,385,000 mm·min−1
C / C₀ load ratiodynamic ÷ static load ratingYJB 0.95

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

The works that publish H7021-C-TA-HQ1-P4.

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 H7021-C-TA-HQ1-P4

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 · 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 105x160x26 mm envelope.

DesignationBearing familyWorks
6021Deep groove ball1
6021-2RZDeep groove ball1
H7021-AC-TA-2RZ-HQ1-P4Angular contact1
H7021-AC-TA-HQ1-P4Angular contact1
H7021-AC-TA-P4Angular contact1
H7021-C-TA-P4Angular 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
H7000-AC-TA-2RZ-HQ1-P410 × 26 × 8Angular contact1
H7000-AC-TA-HQ1-P410 × 26 × 8Angular contact1
H7000-AC-TA-P410 × 26 × 8Angular contact1
H7000-C-TA-HQ1-P410 × 26 × 8Angular contact1
H7000-C-TA-P410 × 26 × 8Angular contact1
H7001-AC-TA-HQ1-P412 × 28 × 8Angular contact1
H7001-AC-TA-P412 × 28 × 8Angular contact1
H7001-C-TA-2RZ-HQ1-P412 × 28 × 8Angular contact1
H7001-C-TA-HQ1-P412 × 28 × 8Angular contact1
H7001-C-TA-P412 × 28 × 8Angular contact1
H7002-AC-TA-HQ1-P415 × 32 × 9Angular contact1
H7002-AC-TA-P415 × 32 × 9Angular contact1
H7002-C-TA-2RZ-HQ1-P415 × 32 × 9Angular contact1
H7002-C-TA-HQ1-P415 × 32 × 9Angular contact1
H7002-C-TA-P415 × 32 × 9Angular contact1
H7003-AC-TA-HQ1-P417 × 35 × 10Angular contact1
H7003-AC-TA-P417 × 35 × 10Angular contact1
H7003-C-TA-2RZ-HQ1-P417 × 35 × 10Angular contact1

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

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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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