Rotary Seals - Dilanda.it

Radial Oil Seal
Table X
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 XI
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 TRC000080 BB X X
10 19 7 TRC100100 BB X
12 22 7 TRCA00120 BB X X
12 24 7 TRCB00120 X
12 28 7 TRCC00120 X
12 32 7 TRC100120 BB X X
14 24 7 TRCA00140 BB X
15 24 7 TRC000150 BB X X
15 26 7 TRCA00150 X
15 28 7 TRC200150 X
15 30 7 TRCB00150 BB X
16 24 7 TRC000160 X
16 28 7 TRCA00160 X
16 30 7 TRCB00160 BB X
17 28 7 TRCA00170 X
17 30 7 TRCB00170 BB X X
17 34 4 TRC000170 BB X
17 35 7 TRCD00170 BB X
18 24 4 TRC000180 X
20 30 7 TRCA00200 BB X X
20 32 7 TRCB00200 BB X X X
20 35 7 TRCC00200 BB X X
20 40 7 TRCD00200 BB X X
20 42 7 TRC300200 BB X X X
The dimensions printed in bold type correspond to the recommendations in DIN 3760, draft September 1996.
( ) values in brackets are inch sizes.
FKM
VCBV
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Edition April 2006
67