RAM® Universal Marine Electronic Mount for Square Posts up to 3" Wide

Part#: RAM-111-247U-3
UPC: 793442913297

Compatibility

Kit Components

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$103.49

Overview

The RAM-111-247-2U with clamp base, consists of the 1.5 inch diameter ball and socket system with RAM universal rectangular 6.25 x 2 inch base. This mount is designed to be a universal mounting solution for large and heavy electronic devices, including GPS, CB Radios, Ham Radios and more. The hole pattern found on the rectangular base will connect to a large variety of third party cradle, gimbal brackets and mounts. The mounting base is a perfect solution for mounting to the cabin frame work on a forklift, or any other square post up to 3 inches square.

hardware included:

(2) 5/16"-18 x 3" Machine Screws
(2) 5/16"-18 Nyloc Nuts

clamp range:

3" max width

socket to socket length:

4.66"

hole pattern:

See Drawing

plate size:

6.25" x 2"

ball size:

C Size (1.5")

weight capacity:

Standard Use: 4 lbs
Heavy-Duty Use: 3 lbs

materials:

Marine-grade aluminum

packaging type:

Poly Bag

Weight:

1.59 lb

Additional Information:

The included plate is a universal mounting bracket with a selection of mounting hole locations. In certain applications additional holes may need to be drilled for proper fit with your electronic device.

Return Policy:

All products purchased from RAM® can be returned within 30 days with no restocking fee (return shipping not provided). See full return policy here.

Print

Instructions

Square Post Clamp Base Assembly Guide

QUESTIONS & ANSWERS

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RAM® Universal Marine Electronic Mount for Square Posts up to 3" Wide
$103.49

Size Guide

Ball sizes
  • A Size 0.56" ball
  • B Size 1" ball
  • C Size — this product 1.5" ball
  • D Size 2.25" ball
  • E Size 3.38" ball

Every RAM® mount is built around a rubber ball and socket system. The ball size sets how much weight the mount can carry. Match it to your device for smooth adjustment with a rock-solid hold.

RAM Mounts ball size specifications and typical uses
Size Ball Diameter Max Load* Best For
A0.56" (14.3 mm)0.5 lbAction cameras and other ultra-light devices
B1" (25.4 mm)2 lbsPhones, GPS units, and small tablets — the most common size
C — this product1.5" (38.1 mm)4 lbsLarge tablets, fish finders, and rougher rides
D2.25" (57.2 mm)6 lbsRugged tablets, laptops, and heavy equipment
E3.38" (85.9 mm)15 lbsLarge displays and demanding aviation or industrial use

*Approximate capacity for a standard ball with a mid-length arm. Shorter arms and steel-reinforced posts increase real-world capacity.

Reading part numbers

The letter after RAM tells you the ball size: RAM-B-166 uses a 1" B ball, while RAM-D-201 uses a 2.25" D ball. C size parts are the exception and carry no letter, so RAM-201U is a C size arm.

Add-on & Accessories

Knob & Bolt Accessories
RAM® Add-A-Ball™ Accessory Ball for C Size Socket Arms RAM-B-273-CU $13.49
RAM® Pin-Lock™ Security Knob for C Size Socket Arms RAP-S-KNOB5U $13.99
RAM® Key Lock Knob with Steel Insert for C Size Socket Arms RAM-KNOB5LSU $30.49
RAM® Key Lock Knob with Brass Insert for C Size Socket Arms RAM-KNOB5LU $37.49
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