Manufacturer designation:

626.ZZ Isoflex Topas NB52

Designation due to standards:

80026 - GOST 7242-81
626 ZZ - DIN 625-1 ISO15:2011

Design:

The ball bearing consists of two rings (internal and external) and rolling elements (balls), connected with a cage - separator.

Features:

Gap seals (type Z) on both sides of bearing.
ISOFLEX TOPAS NB 52 is rolling and plain bearing grease based on a synthetic hydrocarbon oil and a barium complex soap. 
The special barium-soap thickener used in the grease offers good load-carrying capacity as well as resistance to water and ambient media unlike other soap-based thickeners. Product show good protection against corrosion as well as oxidation and ageing stability. 
Suitable for temperatures between -50°C to 120°C and short peak temperatures up to 150°C.