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THE BEARINGINDEX DIRECTORY

MF85ZZ/2RS — 5 × 8 × 2 mm

BOUNDARY DIMENSIONSUNIT / mm
B = 2 mmD = 8 mmd = 5 mm
Boundary dimensions · schematic, not a product photograph or manufacturing drawing.
Deep groove ball

MF85ZZ/2RS

MF85ZZ/2RS is a deep groove ball designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 5 × 8 × 2 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
5 mm
Outside D
8 mm
Width B
2 mm

Compare the 1 publication

What each manufacturer published.

ManufacturerSource recorded
SXA
MF85ZZ/2RS
2026-09-24Request

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) / 21.5 mm
Mean diameter dm(D + d) / 26.5 mm

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

The works that publish MF85ZZ/2RS.

SXA

Ningbo, Zhejiang, China

Miniature and ultra-thin-wall ball bearings

Ningbo New Century manufactures precision miniature bearings under the SX and SXA names. Its published product scope includes deep groove, flanged and stainless steel bearings, with ultra-thin-wall miniature bearings highlighted as a specialty. The company also describes production of rings, cages, shields and rubber seals within its component operations.

Published ranges: Miniature deep groove ball bearings · Flanged miniature bearings · Stainless steel bearings · Ultra-thin-wall miniature bearings

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

Ask SXA about MF85ZZ/2RS

Not documented by any source here.

Precision class · Internal clearance · Sealing · Material · Cage material · Z class · V class · Application · 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 5x8x2 mm envelope.

DesignationBearing familyWorks
MF85Deep groove ball1
MR85ZZ/2RSDeep groove ball1
SMF85ZZ/2RSDeep groove ball1
SMR85ZZ/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
MF855 × 8 × 2Deep groove ball2

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

Request a quote for MF85ZZ/2RS.

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 →