THE BEARINGINDEX DIRECTORY

6408 — 40 × 110 × 27 mm

BOUNDARY DIMENSIONSUNIT / mm

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

Deep groove ball

6408

6408 is a deep groove ball designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 40 × 110 × 27 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: 110 mm
Width B: 27 mm

Compare the 1 publication

What each manufacturer published.

Manufacturer	Dynamic load rating (kN)	Static load rating (kN)	Limiting speed — grease (rpm)	Limiting speed — oil (rpm)	Reference mass (kg)	Source recorded
INYOUNG 6408	63.8	36.8	6300	7700	1.25	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	35 mm
Mean diameter d_m	(D + d) / 2	75 mm
Speed factor d_m · n	mean diameter × highest published limiting speed	577,500 mm·min⁻¹
C / C₀ load ratio	dynamic ÷ static load rating	INYOUNG 1.73

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

The works that publish 6408.

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 6408

Applications the publishing works state.

Application	Stated by
Air compressors	INYOUNG
Generators	INYOUNG
Motorcycles	INYOUNG

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.

Neighbouring designations documented here.

Designation	Envelope d × D × B (mm)	Bearing family	Works
6404	20 × 72 × 19	Deep groove ball	1
6407	35 × 100 × 25	Deep groove ball	1
6409	45 × 120 × 29	Deep groove ball	1
6410	50 × 130 × 31	Deep groove ball	1
6415	75 × 190 × 45	Deep groove ball	1
6416	80 × 200 × 48	Deep groove ball	1

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

Request a quote for 6408.

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