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VNII NP-207

GOST 19774-74

VNII NP-207 is a blend of silicone fluid and a synthetic hydrocarbon oil thickened with a composite soap; it contains an antioxidant additive.

Range of use

The heat-resistant VNII NP-207 grease is used for lubrication of electro-machine and starter-generator roller bearings, which rotate at the rate of up to 10,000 rpm within the temperature range from -60°C to +200°C and at the residual pressure of 666.5 Pa.

Specifications

Index nameNorm
Drop point, °C, min. 250
Penetration at 25°C, 0,1 mm 220-245
Point of break at 20°C, Pa 250-500
Viscosity at 0°C and rate of deformation average gradient 10s-1, Pa•s, max. 180
Colloid stability, %, max. 7

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