BearingIndex
0For manufacturers
THE BEARINGINDEX DIRECTORY

61902 — 15 × 28 × 7 mm

BOUNDARY DIMENSIONSUNIT / mm
B = 7 mmD = 28 mmd = 15 mm
Boundary dimensions · schematic, not a product photograph or manufacturing drawing.
Deep groove ball

61902

61902 is a deep groove ball designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 15 × 28 × 7 mm. The designation ends in bore code 02, which resolves to a 15 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
15 mm
Outside D
28 mm
Width B
7 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
INYOUNG
61902		4.352.2626000300000.0162026-09-24Request

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) / 26.5 mm
Mean diameter dm(D + d) / 221.5 mm
Speed factor dm · nmean diameter × highest published limiting speed645,000 mm·min−1
C / C₀ load ratiodynamic ÷ static load ratingINYOUNG 1.92

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

The works that publish 61902.

INYOUNG

Taizhou, Zhejiang, China

Ball and roller bearings from Wenling

Inyoung Bearing is a bearing manufacturer based in Daxi, Wenling. Its published product categories cover deep groove ball, cylindrical roller, tapered roller, spherical roller and angular contact bearings. The company describes a manufacturing history under its former Taizhou Baoma name; buyers can use the current legal entity to identify the intended supplier.

Published ranges: Deep groove ball bearings · Cylindrical and tapered roller bearings · Spherical roller bearings · Angular contact bearings

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

Ask INYOUNG about 61902

Applications the publishing works state.

ApplicationStated by
Air compressorsINYOUNG
GeneratorsINYOUNG
MotorcyclesINYOUNG

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 15x28x7 mm envelope.

DesignationBearing familyWorks
61902EDeep groove ball1
6902Deep groove ball5
6902ZZ/2RSDeep groove ball1
H71902-AC-TA-HQ1-P4Angular contact1
H71902-AC-TA-P4Angular contact1
H71902-C-TA-2RZ-HQ1-P4Angular contact1
H71902-C-TA-HQ1-P4Angular contact1
H71902-C-TA-P4Angular contact1
S6902ZZ/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
6180010 × 19 × 5Deep groove ball1
6180112 × 21 × 5Deep groove ball1
6180215 × 24 × 5Deep groove ball1
6180317 × 26 × 5Deep groove ball1
6180420 × 32 × 7Deep groove ball1
6180525 × 37 × 7Deep groove ball1
6180630 × 42 × 7Deep groove ball1
6180735 × 47 × 7Deep groove ball1
6180840 × 52 × 7Deep groove ball1
6181890 × 115 × 13Deep groove ball1
6181995 × 120 × 13Deep groove ball1
6190010 × 22 × 6Deep groove ball1
6190112 × 24 × 6Deep groove ball1
61902E15 × 28 × 7Deep groove ball1
6190317 × 30 × 7Deep groove ball1
6190420 × 37 × 9Deep groove ball1
6190525 × 42 × 9Deep groove ball1
6190630 × 47 × 9Deep groove ball1

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

Request a quote for 61902.

Tick the works you want above, then send one enquiry — each manufacturer answers you separately and cannot see the others.

Open your enquiry How sourcing works here →

Figures on this page are each manufacturer’s own published material, recorded on the dates shown. How we check sources →

Continue your search.

All deep groove ball models →About this bearing type →How to read evidence →