Double row deep groove ball bearings correspond in their structure and function to a pair of single row deep groove ball bearings. They are designed for high to very high speeds and are used where the load carrying capacity of single row deep groove ball bearings is not sufficient.
Double row deep groove ball bearings are wider than single row deep groove ball bearings of the same bore and outside diameter but have a significantly higher load carrying capacity.

Sealing:
Double row deep groove ball bearings are not sealed.

Lubrication:
The bearings are open and are greased using a high quality grease.

Operating temperature:
Open deep groove ball bearings can be used up to an operating temperature of +120 °C. For applications at temperatures above +120 °C, please contact us. Bearings with a diameter D of more than 240 mm are dimensionally stable up to +200 °C.
Deep groove ball bearings with lip seals can be used at operating temperatures from –30 °C to +110 °C, limited by the grease and sealing ring material.
Bearings with gap seals can be used from –30 °C to +120 °C.
Bearings with cages made from glass fibre reinforced polyamide are suitable for operating temperatures up to +120 °C.

Deep groove ball bearings 42..-B, main dimensions to DIN 625-3, double row
Deep groove ball bearings 43..-B, main dimensions to DIN 625-3, double row