Constant Natural Frequency Elastomeric Isolators

TECHNICAL REFERENCE
OPTICAL TABLES
BREADBOARDS
AND GRID PLATFORMS
HONEYCOMB, GRANITE
AND RIGID STRUCTURES
ISOLATORS
WORKSTATIONS AND
ISOLATED PLATFORMS
STRUCTURAL RAILS
AND CARRIERS
TESTING, ANALYSIS
AND DESIGN
1058
Optical Tables and Vibration Control
Dimensions
Model ND40-A
3.0
(76.2)
2.63
(66.7)
A
A
3.0
(76.2)
A
2.48
(63.0)
A
CLEARANCE FOR M6
M6 X 1.0
2.48
(63.0)
ø 2.75
(69.9)
2.50
(63.5)
SECTION A-A
Dimensions [in. (mm)]
Model (Metric) A B
ND40-A (M-ND40-A) 2.00 (50.0) 1.00 (25.0)
ND40-B (M-ND40-B) 2.00 (50.0) 1.00 (25.0)
Model ND41-A
3.00
76.2)
2.25
(57.2)
A
A
3.00
(76.2)
A
2.48
(63.0)
CLEARANCE FOR M6
M6 X 1.0
2.75 DIA
(69.9)
2.50
(63.5)
SECTION A-A
Dimensions [in. (mm)]
Model (Metric) A B
ND41-A (M-ND41-A) 2.00 (50.0) 1.00 (25.0)
ND41-B (M-ND41-B) 2.00 (50.0) 1.00 (25.0)
Model ND40-B
2.50
(63.5)
2.63
(66.7)
2.50
(63.5)
Model ND41-B
2.50
(63.5)
2.25
(57.2)
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A
A
A
A
A
2.50
(63.5)
A
CLEARANCE FOR M6
M6 X 1.0
A
A
M6 X 1.0
2.75 DIA
(69.9)
CLEARANCE FOR M6
2.75 DIA
(69.9)
2.50
(63.5)
SECTION A-A
2.50
(63.5)
SECTION A-A