RGP
Italy
Disignation:
Ball Н 4 - 5 GOST 3722-81
Steel-balls 4 mm ISO 3290-1:2014
Steel balls 4 mm DIN 5401
Rolling bearings-Balls 4 MM JIS B1501-2009
Design:
Balls for rolling bearings are made from steel according to GOST 801-78 and GOST 4727-67. They are subjected to special thermal treatment and provide hardness HRC 62/66. Hardness control system GOST 9013-59. Tolerance of average diameter not more than 0,025 mm. Balls are degaussed.
Storage condition:
It is allowed to store balls at the next conditions:
- temperature 20 +/-5С;
- relative moistness not more than 70 percents.
Parameters
4 mm
0.263 kg
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