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SFL Coolant Rotary
Union
Bearing Supported
Style
The BARCO SFL Rotary
Union is designed
to supply coolant
to high speed, multi-spindle
heads and independent
box spindles on
automotive transfer
lines. Dial machines,
grinding machines
and gun drills are
also potential applications.
Our state-of-the-art
silicon carbide
seals and the specially
protected sealed-for-life
bearings make this
union ideal for
new installations
as well as for retrofits
of other manufacturers
coolant unions.
The BARCO SFL is
the only rotary
union that's color
coded to ensure
choosing the correct
union in replacement
situations.
Special Design
Features
- Unique, sealed-for-life
bearing design.
- Dual oil lip-seals
protect bearings
from both sides
- prevent grease
washout.
- Exclusive, large
double row angular
contact bearings
in a compact, rigid
design with tolerance
to hose side loading.
- Silicon carbide
to silicon carbide
mechanical seals.
- Color coded housing
identifies mounting
thread.
- Wrench flats fit
standard US and
metric tools.
- Directly interchangeable
with virtually any
OEM self-supported
rotary union.
Specifications
for NPT
Style
NPT |
Part Number
|
Color |
"A"†
Thread |
"B"
Pilot Dia.
|
"C"
Pilot Length
|
"D"
Thread Length
|
S1 |
S2
min. |
|
STR. |
BC-54913-06-06
|
Red |
M12 x 1.25
LH |
.5300"-.5305"
(13.462-13.475)
|
.188"
(4.78) |
.750"
(19) |
.5307"-.5311"
(13.479-13.490)
|
.81*
(21) |
|
90° |
BC-54909-06-06
|
|
STR. |
BC-54915-06-06
|
Black |
M16 x 1.5
LH |
.7078"-.7083"
(17.978-17.993)
|
.188"
(4.78) |
.621"
(15.7) |
.7085" - .7087"
(17.995-18.000)
|
.67*
(17) |
|
90° |
BC-54903-06-06
|
|
STR. |
BC-54917-06-06
|
Gold |
5/8"-18 UNF
LH |
.6550"-.6555"
(16.637-16.650)
|
.188"
(4.78) |
.750"
(19) |
.6556" - .6560"
(16.652-16.663)
|
.81*
(21) |
|
90° |
BC-54905-06-06
|
|
†
Special threads
available. |
Specifications
for BSP
Style
BSP |
Part Number
|
Color |
"A"†
Thread |
"B"
Pilot Dia.
|
"C"
Pilot Length
|
"D"
Thread Length
|
S1 |
S2
min. |
|
STR. |
BC-54949-06-06
|
Red |
M12 x 1.25
LH |
.5300"-.5305"
(13.462-13.475)
|
.188"
(4.78) |
.750"
(19) |
.5307"-.5311"
(13.479-13.490)
|
.81*
(21) |
|
90° |
BC-54939-06-06
|
|
STR. |
BC-54943-06-06
|
Black |
M16 x 1.5
LH |
.7078"-.7083"
(17.978-17.993)
|
.188"
(4.78) |
.621"
(15.7) |
.7085" - .7087"
(17.995-18.000)
|
.67*
(17) |
|
90° |
BC-54933-06-06
|
|
STR. |
BC-54945-06-06
|
Gold |
5/8"-18 UNF
LH |
.6550"-.6555"
(16.637-16.650)
|
.188"
(4.78) |
.750"
(19) |
.6556" - .6560"
(16.652-16.663)
|
.81*
(21) |
|
90° |
BC-54935-06-06
|
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