THE BEARINGINDEX DIRECTORY

LM25UU-OP — 25 × 40 × 59 mm

BOUNDARY DIMENSIONSUNIT / mm

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

Linear bearings

LM25UU-OP

LM25UU-OP is a linear bearings designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 25 × 40 × 59 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: 25 mm
Outside D: 40 mm
Length L: 59 mm

Compare the 1 publication

What each manufacturer published.

Manufacturer	Reference mass (kg)	Source recorded
YTP LM25UU-OP	0.188	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	7.5 mm
Mean diameter d_m	(D + d) / 2	32.5 mm

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

The works that publish LM25UU-OP.

YTP

Ningbo, Zhejiang, China

Linear ball bearings and support units

Ningbo Yutong manufactures linear-motion ball bearings under the YTP brand. Its range includes standard and flanged linear bearings, nickel-plated designs, steel-cage variants, boxed bearing units and KH drawn-cup series. The company publishes a 3D component library and model-comparison tools, supporting selection by mounting dimensions and shaft interface.

Published ranges: Standard and flanged linear ball bearings · Nickel-plated and steel-cage variants · Boxed linear-bearing units · KH drawn-cup linear bearings

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

Ask YTP about LM25UU-OP

Applications the publishing works state.

Application	Stated by
Linear-motion systems	YTP

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.

Ask the manufacturer for these when you enquire.

Neighbouring designations documented here.

Designation	Envelope d × D × B (mm)	Bearing family	Works
LM25	—	Linear bearings	1
LM25L	—	Linear bearings	1
LM25LUU	—	Linear bearings	2
LM25M	—	Linear bearings	1
LM25UU	—	Linear bearings	1
LM25UU-AJ	—	Linear bearings	1

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

Request a quote for LM25UU-OP.

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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