Rotary Seals - Dilanda.it

Radial Oil Seal
Table VI
Materials
Standard material*
B+S
material code
STEFA
material reference
Standard
metal insert**
Standard
spring**
NBR (70 Shore A) N7MM - Carbon steel Carbon steel
NBR (75 Shore A) 4N011 1452
FKM (75 Shore A) VCBV - Carbon steel Stainless steel
FKM (75 Shore A) 4V012 5466
* Special grades and other materials (ACM, EACM, EPDM, HNBR, VMQ) on request.
** Metal insert, and spring as well, can be supplied in different materials on request.
Table VII
Preferred series / Dimension, part numbers
Dimension Part no. STEFA B+S
d 1 d 2 b Type NBR
4N011
FKM
4V012
NBR
N7MM
4 11 5 TRA200040 X
4 12 6 TRA100040 X X X
5 15 6 TRA000050 X X
6 12 5.5 TRA400060 CB X X X
6 15 4 TRA000060 X
6 16 5 TRA100060 X
6 16 7 TRAA00060 CB X X X X
6 19 7 TRA300060 CB X X
6 22 7 TRAB00060 CB X X X
6 22 8 TRA600060 CB X
7 16 7 TRA000070 CB X X X
7 22 7 TRAA00070 CB X X X
8 14 4 TRA700080 X
8 16 5 TRA100080 X
8 16 7 TRA200080 CB X X X X
8 18 5 TRA300080 X
8 22 4 TRA500080 X
8 22 7 TRAA00080 CB X X X X
8 22 8 TRAF00080 CB X
8 24 7 TRAB00080 CB X X X X
8.5 18 7 TRA000085 X
9 22 7 TRAA00090 CB X X X
9 24 7 TRAB00090 CB X
9 26 7 TRAC00090 X
9 30 7 TRA300090 CB X
10 16 4 TRA000100 X X
10 18 4 TRA200100 X
The dimensions printed in bold type correspond to the recommendations in DIN 3760, draft September 1996.
FKM
VCBV
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Edition April 2006
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