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Glossary of Terms

The glossary of terms page is intended to provide you with definitions for custom words, directly used and related to the RAM® website.

RAM: Mount or base of aluminum construction
RAP: Mount or base of composite construction
SB: When included in RAP part numbers, this stands for “snap link”
RAP-SB-XXX: Snap link base or system, hard composite ball and socket, not rubber
RAP-B-XXX: Accommodates or has B size ball
RAM-A-XXX: 9/16” diameter rubber ball
RAM-B-XXX: 1” diameter rubber ball
RAM-XXX: 1 ½” diameter rubber ball
RAM-D-XXX: 2 ¼” diameter rubber ball mount kit or component
RAM-VC-XXX: Vehicle Console, pertaining to RAM Mount Vehicle Console Systems
RAM-VB-XXX: Vehicle Base
RAM-VB-XXX-SW1: Complete Vehicle Mount System
RAM-A-XXX-B: Accommodates A size ball, B length arm or system
RAM-B-XXX-A: Accommodates B size ball, A length arm or system
RAM-B-XXX: Accommodates B size ball, standard length arm or system
RAM-B-XXX-C: Accommodates B size ball, C length arm or system
RAM-XXX-B: Accommodates C size ball, B length arm or system
RAM-XXX-D: Accommodates C size ball, D length arm or system
RAM-D-XXX: Accommodates D size ball, D length arm or system
RAM-D-XXX-C: Accommodates D size ball, C length arm or system
RAM-D-XXX-E: Accommodates D size ball, E length arm or system
RAM-E-XXX: Accommodates E size ball, E length arm
RAM-E-XXX-D: Accommodates E size ball, D length arm

RAM® Prefix Code

To provide lightweight strength and corrosion resistance, RAM is made of marine grade aluminum with a black powder coated finish, stainless steel hardware and rubber balls. The standard mount bases include a yoke mount, round base, rubber suction cup and U-bolt handlebar for attaching electronic and GPS devices. Other configurations can be considered for laptop systems in vehicles and marine uses. 

Recognized and accepted by the U.S. Patent Office, RAM is the only universal ball-and-socket system that holds tremendous amounts of weight in high vibration applications for military, commercial and private use.

RAP Prefix Code

Many of these parts are available in composite, mount part number has the prefix code RAP. The composite components include both single and double socket arm assemblies with the same patented rubber ball and socket technology. The octagon button system works with the Quick Snap Belt Clip Holder, Quick Snap Surface. The new Snap Flex Link System is a male to female snap together configuration that has screws to tension the joint. The RAM Rail Mounts for handle bars and railings with a 1" rubber ball and or diamond base for adaptation to any other diamond base system. Then again, the possible mounting solutions are endless, affordable and backed by the NPI Lifetime Warranty.

Support Videos

What is RAM® Mounts?
RAM® Mounts Double Ball & Socket
RAM® Mounts Double Socket Arms
RAM® Mounts Ball & Socket Sizes

RAM® Ball Sizes

RAM Balls are injection molded onto a marine grade aluminum post. The materials used to make the balls and/or posts may be varied to provide characteristics required for most applications.

RAM® Cradles and Holders

The RAM range has custom formed cradles and holders suitable for many electronic, PDA and GPS devices as will become apparent as you tour around our web site. Where applicable, we shall show the cradle with a selection of standard mounts to ease the selection process and choice. However, for the more adventurous user wishing to build a customized mount system, then by selecting mating parts, you can achieve your own solution.

Getting It Right

When ordering a RAM mount system or additional components, it's important that you understand the part number system. To help you understand the part number format used, we are providing the following example. It is four different sizes of a basic RAM mounting system including the corresponding arm, round base with ball. 

Note: The C size 1 .5" ball does not have a letter C following the RAM- prefix code, while all other sizes do require a letter. Important: Be careful to make sure you have the letter in the proper location of the part number so you order the correct size system or component. If in any doubt, please contact us.

RAM® Double Socket Arm Lengths

Product Number
Overall Length
Socket-To-Socket Length
RAM-B-201-A
2 7/16"
1 3/4"
RAM-B-201
3 11/16"
2 7/8"
RAM-B-201-C
6"
5 3/16"
RAM-201-B
3 1/2"
2 1/4"
RAM-201
5 5/8"
2 1/4"
RAM-201-D
9 1/8"
8 3/4"
RAM-D-201-C
5 1/16"
3 3/16"
RAM-D-201
8 3/8"
6 9/16"
RAM-D-201-E
12 7/8"
11 3/16"
RAM-E-201-D
7 1/4"
4 3/8"
RAM-E-201 
12 5/8"
9 7/8"

Weight Capacities

B size 1" ball mount for units up to .91kg weight (approx 2 lbs)
C size 1.5" ball mount for units up to 1.81kg weight (approx 4 lbs)
D size 2.25" ball mount for units up to 2.72kg weight (approx 6 lbs)
E size 3.38" ball mount for units up to 6.8kg weight (approx 15 lbs)

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