Rotary Seals - Dilanda.it

Radial Oil Seal
Table VIII
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 IX
Preferred series / Dimension, part numbers
Dimension Part no. STEFA B+S
d 1 d 2 b Type NBR
4N011
FKM
4V012
NBR
N7MM
8 16 7 TRE000080 X
10 18 6 TRE100100 X
10 19 7 TRE200100 CC X X
10 20 5 TRE300100 X
10 22 7 TREA00100 CC X X X
10 26 7 TREC00100 X
11 17 4 TRE000110 X
12 19 5 TRE000120 X
12 20 5 TRE400120 X
12 22 6 TRE200120 X
12 22 7 TREA00120 CC X X X
12 25 7 TREE00120 X
12 28 7 TREC00120 X X
12 32 7 TRE300120 X
13 26 9 TRE100130 X
14 35 7 TRED00140 X
15 24 7 TRE000150 X X
15 26 7 TREA00150 CC X X
15 28 7 TRE100150 X
15 30 7 TREB00150 CC X X X X
15 32 7 TREC00150 X X
15 35 7 TRED00150 CC X X X
16 28 7 TREA00160 CC X X X
16 29 4 TRE400160 X
17 28 7 TREA00170 CC X X
17 30 7 TREB00170 X
17 37 7 TRE400170 CC X
The dimensions printed in bold type correspond to the recommendations in DIN 3760, draft September 1996.
FKM
VCBV
54
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Edition April 2006