THE BEARINGINDEX DIRECTORY

UCS201 — 12 × 40 × 27.4 mm

BOUNDARY DIMENSIONSUNIT / mm

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

Bearing units

UCS201

UCS201 is a bearing units designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 12 × 40 × 27.4 mm. The designation ends in bore code 01, which resolves to a 12 mm bore under ISO 15 and matches what the manufacturers published. The publishing works are in Fujian province, China. Every value below comes from that manufacturer’s own published material, with the date it was recorded.

Bore d: 12 mm
Outside D: 40 mm
Width B: 27.4 mm

Compare the 1 publication

What each manufacturer published.

Manufacturer	Dynamic load rating (kN)	Static load rating (kN)	Reference mass (kg)	Source recorded
FK UCS201	9.6	4.6	0.12	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	14 mm
Mean diameter d_m	(D + d) / 2	26 mm
C / C₀ load ratio	dynamic ÷ static load rating	FK 2.09

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

The works that publish UCS201.

FK

Quanzhou, Fujian, China

Bearing units and agricultural bearing systems

FK Bearing Group manufactures bearing units and publishes separate ranges for insert bearings, agricultural bearings, agri hubs and bearing housings. Its catalogue also addresses air-handling units and spherical roller bearing units. Buyers can compare complete housed assemblies with individual inserts while specifying shaft locking, housing arrangement and sealing requirements.

Published ranges: Housed bearing units and inserts · Agricultural bearings and agri hubs · Plummer blocks and housings · Air-handling bearing units

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

Ask FK about UCS201

Applications the publishing works state.

Application	Stated by
Agricultural machinery	FK
Air-handling equipment	FK

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 · Limiting speed — grease · Limiting speed — oil · Noise / vibration test method · Manufacturer series · Manufacturer suffix · Ball count · Ball diameter.

Ask the manufacturer for these when you enquire.

Request a quote for UCS201.

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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