FORM QWC3-NM1
ISSUE DATE: 11/20/2020
SECTION 5 – TECHNICAL DATA
QUANTECH
94
ELASTOMETRIC ISOLATOR CROSS-REFERENCE
MOUNT
TYPE
DIMENSION DATA (INCHES)
L W HF AL AD BT CD DW
RD1-WR 3.13 1.75 1.25 2.38 0.34 0.19 5/16-18 UNC X 3/4 1.25
RD2-WR 3.88 2.38 1.75 3.00 0.34 0.22 3/8-16 UNC X 1 1.75
RD3-WR 5.50 3.38 2.88 4.13 0.56 0.25 1/2-13 UNC X 1 2.50
RD4-WR 6.25 4.63 2.75 5.00 0.56 0.38 1/2-13 UNC X 1 3.00
MODEL NUMBER ISOL. COLOR WEIGHT RANGE (LBS) WEIGHT RANGE (KGS) QUANTECH P/N
RD-3-CHARCOAL-WR CHARCOAL Up thru 825 UP TO 374 029-25335-001
RD-4-BRICK RED-WR BRICK RED 826 thru 1688 375 - 766 029-25335-002
RD-4-CHARCOAL-WR CHARCOAL 1689 thru 4000 767 - 1814 029-25335-004
Units shipped on or after June 15, 2008
LD13760A
RD-Style Isolators
L
AL
DW
BT
HF
ø AD THRU
TYP 2 PLACES
MOLDED
DURULENE
CD
W
Notes:
1. All dimensions are inches, interpreted per ANSI Y14.
2. Refer to Page 98 for installation instructions.
3. Mount molded in weather resistant duralene compound as standard. Also available in other materials
such as natural rubber, extreme high temperature silicone, high-damped silicone, nitrile and EDPM.
4. AL = Mounting hole center to center spacing.
5. HF = Free height of mount, prior to loading. Operating height calculated by the free height less the
static deflection under load. All dimensions for reference only.
6. Hardware zinc-electroplated.
1. All dimensions are inches, interpreted per ANSI
Y14.
2. See the next page for installation instructions.
3. Mount molded in weather resistant duralene com-
pound as standard. Also available in other materi-
als such as natural rubber, extreme high tempera-
ture silicone, high-damped silicone, nitrile and
EDPM.
4. AL = Mounting hole center to center spacing.
5. HF = Free height of mount, prior to loading. Op-
erating height calculated by the free height less
the static deection under load. All dimensions
for reference only.
6. Hardware zinc-electroplated.
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