Union, 5/8" UNF LH, 0.655" pilot, 1/4" NPT


1108-093-568
- Single passage for coolant or MQL
- Closed seals for transfer line and similar applications
- Full-flow design has no obstructions to trap swarf or debris
- Bearing-supported with threaded rotor for easy installation
- Dual angular contact ball bearings
- Labyrinth system and large vents to protect ball bearings
- Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
- Anodized aluminum housing resists corrosion
Dimensions

A
5/8"-18 UNF LH5/8"-18 UNF LH
B
1/4"-18 NPT1/4"-18 NPT
C
43.76 mm1.723 "
D1
131 mm5.157 "
E
33.6 mm1.323 "
F
19.05 mm0.75 "
G
1.57 mm0.062 "
H
24 mm0.945 "
I
16.647 mm0.655 "
J
97.6 mm3.843 "
L
22.23 mm0.875 "
P
Non-ThreadedNon-Threaded
X
4.8 mm0.189 "
Operating Specifications


Media
Coolant, Cutting Oil, MQLCoolant, Cutting Oil, MQL
Rotor Connection
5/8"-18 UNF LH 5/8"-18 UNF LH
Supply Connection
1/4"-18 NPT 1/4"-18 NPT
Coolant Max. Flow
2.7 l/min0.7 GPM
Coolant Max. Pressure
207 bar3000 psi
Coolant Max. Temperature
71 °C160 °F
Cutting Oil Max. Flow
2.7 l/min0.7 GPM
Cutting Oil Max. Pressure
207 bar3000 psi
Cutting Oil Max. Temperature
71 °C160 °F
MQL Max. Flow
68 l/min2.4 CFM
MQL Max. Pressure
10 bar150 psi
MQL Max. Temperature
71 °C160 °F
Documents & Resources
Installation Guide
Installation Guide for Rotor-Mounted unions
Interface Drawing
Interface Control drawing for 1108-093-568
Operating Manual
Operating Manual for "Closed Seal" unions for machine tools