YBS-BEM 34‑131N Lithium‑Complex Heavy‑Duty Grease for Shock‑Loaded Rolling & Plain Bearings 1

YBS-BEM 34‑131N Lithium‑Complex Heavy‑Duty Grease for Shock‑Loaded Rolling & Plain Bearings 2

YBS-BEM 34‑131N Lithium‑Complex Heavy‑Duty Grease for Shock‑Loaded Rolling & Plain Bearings 3

YBS-BEM 34‑131N Lithium‑Complex Heavy‑Duty Grease for Shock‑Loaded Rolling & Plain Bearings 4

YBS-BEM 34‑131N Lithium‑Complex Heavy‑Duty Grease for Shock‑Loaded Rolling & Plain Bearings

‑30℃~140N High Load Water‑Resistant Grease BEM 34‑131 N for Construction Machinery

YBS-BEM 34‑131 N is a robust multi‑purpose heavy‑duty industrial grease from You BangShou Lubrication, based on high‑viscosity mineral base oil and lithium‑complex soap thickener, blended with high‑performance EP extreme‑pressure solid additives, showing beige‑yellow homogeneous texture.

This grease maintains stable lubricating film under heavy load, vibration and shock impact. It possesses superior water resistance, resisting wash‑off when exposed to splash water, dust and contaminants. Excellent mechanical stability prevents grease softening, bleeding or leakage under continuous vibration. Operating temperature ranges from ‑30 ℃ up to 140 ℃, short‑term peak temperature up to 160 ℃. Mainly applied for rolling bearings, plain bearings, pivot points and sliding surfaces working under harsh conditions of heavy load, shock load, water splash and dirt pollution in mining, construction, transportation and general industry.

Model:

YBS-BEM 34‑131N

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Performance characteristics

High EP extreme‑pressure performance: Special solid additive package, builds stable lubrication film under heavy‑load and shock‑impact conditions, reduces metal‑to‑metal wear
Excellent water‑washout resistance: Resists water splashing and dilution, hardly washed away by spray water, reliable performance in damp working sites
Superior mechanical stability: Resists softening and leakage under long‑time vibration, keeps grease consistency even with continuous mechanical stress

Good corrosion protection: Effective anti‑rust and anti‑corrosion properties for bearings exposed to moisture and dust

Wide service temperature range: Stable performance from‑30 ℃ low‑temperature startup to continuous 140 ℃ operating temperature

Harsh‑environment adaptability: Tolerates dust, dirt, splash water; well‑suited for outdoor construction, mining and conveyor equipment

Performance characteristics

Item	Specification
Product Model	YBS-BEM 34‑131 N
Material No.	1612
Base Oil	High‑viscosity Mineral Oil
Thickener	Lithium Complex Soap
NLGI Grade	2
Working Temperature Range	‑30 ℃ ~ +140 ℃；Short‑term peak 160 ℃
40℃ Kinematic Viscosity	approx.131 mm²/s
Appearance	Beige‑yellow, homogeneous smooth grease
Dropping Point(DIN ISO 2176)	≥200 ℃
Worked Penetration(DIN ISO 2137)	265‑295 (0.1 mm)

The above data are typical values for the current product. The data for each batch of products in the future may fluctuate.

Application

Construction & mining machinery: Bearing points of excavators, loaders, mining machinery subjected to heavy shock load and water splashing

Conveyor & transport equipment: Conveyor roller bearings, chain pivot joints, transfer mechanism sliding surfaces

General industrial heavy‑duty assemblies: Fan bearings, press bearings, pivot joints working with vibration and dust pollution

Outdoor harsh‑condition equipment: Outdoor industrial machinery exposed to humidity, dust and temperature fluctuation

Construction & mining machinery

General industrial heavy‑duty assemblies

Outdoor harsh‑condition equipment

YBS-BEM 34‑131N Lithium‑Complex Heavy‑Duty Grease for Shock‑Loaded Rolling & Plain Bearings 9

Operating Precautions

Designed for moderate‑speed heavy‑duty components; not suitable for high‑speed miniature precision bearings and electrical contact parts. Do not overfill bearings. Excessive grease will cause overheating and shorten service life. Follow equipment relubrication interval. Must not mix with other types of greases. Mixing will destroy lithium‑complex structure and reduce EP, water‑resistance performance. For plastic and elastomer components, run small‑scale compatibility test before mass‑use.

How To Use

■ Clean gears and remove old lubricant before application.
■ Apply grease evenly to gear teeth and contact surfaces.
■ Use an appropriate amount to ensure full coverage without excess.
■ Apply manually or through a lubrication system.
■ Run equipment at low speed after application to ensure proper distribution.

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