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Disignation:
Roller 3x19,8 B III - GOST 25255-82;
Cylindrical roller 3x19,8 mm ISO/NP 12297-1:2015
Needle roller 3x19,8 mm DIN 5401:2002-08;
RN-3x19.8 BF/G2 (SKF marking);
RN-3X19.8 B та RN-3X19.8 BF (could be substitued)
Design:
Rollers are made from steel ШХ15 according to GOST 801-78. They are subjected to special thermal treatment and provide hardness HRC 60. Hardness control system GOST 9013-59. Tolerance of average diameter not more than +10,25 / -16,25 micron. Rollers are degaussed.
Storage condition:
It is allowed to store rollers at the next conditions:
- temperature 20 +/-5С;
- relative moistness not more than 60 percents.
Parameters
Weight, W
0.0011 kg
Length, L
19.8 mm
Diameter, D
3 mm
Weight(1000 pieces), W
1.1 kg
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