Rotary Seals - Dilanda.it

Radial Oil Seal
Table XXIII
Materials
Standard material*
B+S
material code
STEFA
material reference
Standard
metal insert**
Standard
spring**
NBR (75 Shore A) 4N011 1452 Carbon steel Carbon steel
FKM (75 Shore A) 4V012 5466 Carbon steel Stainless steel
* 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 XXIV
Preferred series / Dimension, part numbers
Dimension Part no. STEFA
d 1 d 2 b Type NBR
4N011
15 25 6 TRQ0D0150 12CC X
19.5 30 6 TRQ0D0195 12CC X
24 40 6 TRQ0D0240 12CC X
25 35 6 TRQ0D0250 12CC X
27 44 7 TRQ0D0270 12CC X
32 47 6 TRQ0D0320 12CC X
32 48 7 TRQ1D0320 12CC X
35 52 6 TRQ1D0350 12CC X
35 54 6 TRQ0D0350 12CC X
40 55 7 TRQBD0400 12CC X
45 62 7 TRQ0D0450 12CC X
47 62 7 TRQ0D0470 12CC X
50 72 7 TRQ0D0500 12CC X
55 70 7 TRQ0D0550 12CC X
55 83 7 TRQ1D0550 12CC X
60 80 7 TRQ0D0600 12CC X
70 90 7 TRQ0D0700 12CC X
FKM
4V012
Ordering example oil seal STEFA type
STEFA type: 12CC
Code:
TRQ_D
Dimensions: Shaft diameter 24 mm
Housing diameter 40 mm
Width
6 mm
Material: NBR 1452
Material Code: 4N011
Order No. TRQ0D 00240
Type
Shaft diameter x 10
-
4N011
Quality Index (Standard)
Material Code (Standard)
Corresponding to STEFA ref.
12CC 24x40x6/6.5 NBR 1452
102
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Edition April 2006