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THE BEARINGINDEX DIRECTORY

S6308ZZ/2RS — 40 × 90 × 23 mm

BOUNDARY DIMENSIONSUNIT / mm
B = 23 mmD = 90 mmd = 40 mm
Boundary dimensions · schematic, not a product photograph or manufacturing drawing.
Deep groove ball

S6308ZZ/2RS

S6308ZZ/2RS is a deep groove ball designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 40 × 90 × 23 mm. The designation ends in bore code 08, which resolves to a 40 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
40 mm
Outside D
90 mm
Width B
23 mm

Compare the 1 publication

What each manufacturer published.

ManufacturerSource recorded
SXA
S6308ZZ/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) / 225 mm
Mean diameter dm(D + d) / 265 mm

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

The works that publish S6308ZZ/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 S6308ZZ/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 40x90x23 mm envelope.

DesignationBearing familyWorks
21308CASpherical roller1
21308CCSpherical roller1
30308Tapered roller1
30308DTapered roller1
6308Deep groove ball2
6308-2RZDeep groove ball1
6308T1XDeep groove ball1
6308ZZ/2RSDeep groove ball1
760308-TNAngular 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
S6300ZZ/2RS10 × 35 × 11Deep groove ball1
S6301ZZ/2RS12 × 37 × 12Deep groove ball1
S6302ZZ/2RS15 × 42 × 13Deep groove ball1
S6303ZZ/2RS17 × 47 × 14Deep groove ball1
S6304ZZ/2RS20 × 52 × 15Deep groove ball1
S6305ZZ/2RS25 × 62 × 17Deep groove ball1
S6306ZZ/2RS30 × 72 × 19Deep groove ball1
S6307ZZ/2RS35 × 80 × 21Deep groove ball1
S6309ZZ/2RS45 × 100 × 25Deep groove ball1
S6310ZZ/2RS50 × 110 × 27Deep groove ball1
S633ZZ/2RS3 × 13 × 5Deep groove ball1
S634ZZ/2RS4 × 16 × 5Deep groove ball1
S635ZZ/2RS5 × 19 × 6Deep groove ball1
S636ZZ/2RS6 × 22 × 7Deep groove ball1
S637ZZ/2RS7 × 26 × 9Deep groove ball1
S638ZZ/2RS8 × 28 × 9Deep groove ball1
S639ZZ/2RS9 × 30 × 10Deep groove ball1

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

Request a quote for S6308ZZ/2RS.

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 →