THE BEARINGINDEX DIRECTORY

L30210 — 50 × 90 × 21.75 mm

BOUNDARY DIMENSIONSUNIT / mm

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

Tapered roller

L30210

L30210 is a tapered roller designation documented on BearingIndex from 1 manufacturer publication. The published boundary dimensions are 50 × 90 × 21.75 mm. The designation ends in bore code 10, which resolves to a 50 mm bore under ISO 15 and matches what the manufacturers published. The publishing works are in Shandong province, China. Every value below comes from that manufacturer’s own published material, with the date it was recorded.

Bore d: 50 mm
Outside D: 90 mm
Overall T: 21.75 mm

Compare the 1 publication

What each manufacturer published.

Manufacturer	Dynamic load rating (kN)	Static load rating (kN)	Reference mass (kg)	Source recorded
Xingtai Bearing L30210	73.3	92.1	0.529	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	20 mm
Mean diameter d_m	(D + d) / 2	70 mm
C / C₀ load ratio	dynamic ÷ static load rating	Xingtai Bearing 0.8

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

The works that publish L30210.

Xingtai Bearing

Jining, Shandong, China

Tapered roller bearing series

Shandong Xingtai manufactures tapered roller bearings in Liangshan, Shandong. Its published product emphasis includes 329 and 33 series, supported by turning, heat-treatment, grinding and assembly operations. The company also describes nonstandard development. Buyers should identify whether a complete bearing or a separate cup and cone is required.

Published ranges: 329-series tapered roller bearings · 33-series tapered roller bearings · Nonstandard tapered roller designs

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

Ask Xingtai Bearing about L30210

Not documented by any source here.

Precision class · Internal clearance · Sealing · Material · Cage material · Z class · V class · Application · 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 L30210.

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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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