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Center Hole Cylinders

  • Center Hole Cylinders (100939, 100940)

    WH_Cylinders_100939

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  • Center Hole Cylinders (100939, 100940)
Product Type:

cylinders

Single or Double-Acting Workholding Devices, Heavy-Duty Return Spring
 

Our center-hole cylinders can be used as single or double-acting workholding devices. Mounting can be done in any of several ways: use the thru-holes for mounting from the top, use the tapped holes in the bottom for mounting from underneath, or secure with a single stud or rod through the center. The pistons are threaded to accept the optional crowned threaded inserts, used when the cylinder contacts the work directly.

Features:

  • Single or double-acting
  • Multiple mounting options
  • Heavy-duty return spring
  • Converts manual clamping to hydraulics
  • Plated, threaded piston rods


SAE PortsSpecifications
Order No.A
Adv. Port
Thread Size
B
Ret. Port
Thread Size
Force *
(lbs.)
Stroke
(in.)
Extend and Retract
Eff. Area
(sq. in.)
Oil Cap.
(cu. in.)
1009347/16-20 UNF
SAE-4
7/16-20 UNF
SAE-4
6,6300.5001.3260.663
1009351.0001.326
10093610.7350.5002.1471.074
1009371.0002.147
1009380.5001.074
1009391.0002.147
100940-17,1200.3753.424 **1.284 **

NOTE:
* Based on 5,000 psi max. operating pressure.
** Extend Only

Top View (100934-100939)
Top View (100934-100939)

Side View (100934-100939)
Side View (100934-100939)

Top View (100940)
Top View (100940)

Side View (100940)
Side View (100940)



Order No.
Dimensions (in Inches)
CDEFG
SAE Ports
1009342.0001.0001.7500.5621.812
100935
1009362.5501.2752.1880.6882.125
100937
100938
100939
100940---0.9721.944

Order No.
Dimensions (in Inches)
HJK
Dia.
L
Thd Size
M
Thd Depth
SAE Ports
1009340.6251.2500.3223/8-16 UNC0.562
100935
1009360.8751.750
100937
100938
100939
1009400.9721.944-1/4-20 UNC0.312

Order No.
Dimensions (in Inches)
NOP
Dia.
QR
Piston Thd
SAE Ports
1009340.9381.0002.8123.2031.000
1009351.4381.5004.203
1009361.0001.0943.5003.3041.188
1009371.5001.5944.304
1009381.0001.0943.3041.375
1009391.5001.5944.304
1009400.756-3.3703.1401.275

Order No.
Dimensions (in Inches)
S
Thd Size
T
Dia.
U
Dia.
V
Inside
Dia.
SAE Ports
1009345/8-11 UNC0.7500.5160.547
100935
1009363/4-10 UNC1.1250.7810.656
100937
1009387/8-9 UNC0.9060.781
100939
1009401-8 UNC1.3751.0310.875


Center Hole Cylinders (100939-100940) - Performance Chart

Cylinder Numbers
Short Dash Line100934, 100935
Medium Dash Line100136, 100137, 100937, 100939
Solid Line100940