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6204TB — 20 × 47 × 14 mm

BOUNDARY DIMENSIONSUNIT / mm
B = 14 mmD = 47 mmd = 20 mm
Boundary dimensions · schematic, not a product photograph or manufacturing drawing.
Deep groove ball

6204TB

6204TB is a deep groove ball designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 20 × 47 × 14 mm. The designation ends in bore code 04, which resolves to a 20 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
20 mm
Outside D
47 mm
Width B
14 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)Source recorded
YJB
6204TB		12.86.635000440002026-09-24Request

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) / 233.5 mm
Speed factor dm · nmean diameter × highest published limiting speed1,474,000 mm·min−1
C / C₀ load ratiodynamic ÷ static load ratingYJB 1.94

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

The works that publish 6204TB.

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 6204TB

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 · Reference mass.

Ask the manufacturer for these when you enquire.

Other designations with the same 20x47x14 mm envelope.

DesignationBearing familyWorks
30204Tapered roller1
6204Deep groove ball7
6204-2RZDeep groove ball1
6204EDeep groove ball1
6204T1XDeep groove ball1
6204ZZ/2RSDeep groove ball1
760204-TNAngular contact1
H7204-AC-TA-HQ1-P4Angular contact1
H7204-AC-TA-P4Angular contact1
H7204-C-TA-HQ1-P4Angular contact1
H7204-C-TA-P4Angular contact1
S6204ZZ/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 6204TB.

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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