THE BEARINGINDEX DIRECTORY

MR83 — 3 × 8 × 2.5 mm

BOUNDARY DIMENSIONSUNIT / mm

Boundary dimensions · schematic, not a product photograph or manufacturing drawing.

Deep groove ball

MR83

MR83 is a deep groove ball designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 3 × 8 × 2.5 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: 3 mm
Outside D: 8 mm
Width B: 2.5 mm

Compare the 1 publication

What each manufacturer published.

Manufacturer	Source recorded
Mosheng MR83	2026-09-24	Request

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.

Figure	How it is obtained	Result
Radial section height	(D − d) / 2	2.5 mm
Mean diameter d_m	(D + d) / 2	5.5 mm

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

The works that publish MR83.

Mosheng

Ningbo, Zhejiang, China

Miniature and small deep groove ball bearings

Ningbo Mosheng manufactures miniature and small deep groove ball bearings. Its published catalogue organizes products for appliances, office automation, automotive systems and other applications, alongside bearing data sheets. The company also presents research, manufacturing and quality operations. Closure type, lubrication and noise requirements should be supplied with the model reference.

Published ranges: Miniature deep groove ball bearings · Small deep groove ball bearings · Application-specific ball-bearing ranges

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

Ask Mosheng about MR83

Applications the publishing works state.

Application	Stated by
Automotive systems	Mosheng
Household appliances	Mosheng
Office automation	Mosheng

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.

Other designations with the same 3x8x2.5 mm envelope.

Designation	Bearing family	Works
MF83	Deep groove ball	1
MR83ZZ/2RS	Deep groove ball	1
SMR83ZZ/2RS	Deep groove ball	1

Same envelope, but sealing, internal design, clearance and load capability differ — not interchangeable by default.

Neighbouring designations documented here.

Designation	Envelope d × D × B (mm)	Bearing family	Works
MR83ZZ/2RS	3 × 8 × 2.5	Deep groove ball	1

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

Request a quote for MR83.

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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