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RAM® Ball Adapter with AMPS Plate - B Size | |
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Part #:
RAM-B-347U
UPC:
793442907623
Features
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Product Information | |
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Overview | The RAM-B-347U base consists of a B size 1" diameter rubber ball connected to a 2" x 1.7" square base. The base has four pre-drilled holes at each corner, using the universal AMPS hole pattern. |
Specifications | |
---|---|
hole pattern | 4-Hole AMPS: 1.181" x 1.496" |
thread pitch | 1/4"-20 |
plate size | 2" X 1.7" |
ball size | B Size (1") |
weight capacity | Standard Use: 2 lbs Heavy-Duty Use: 1 lb |
materials | Marine-grade aluminum |
packaging type | Poly Bag |
Weight | 0.13 lb |






The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured by a multitude of interchangeable components to fit your specific needs.

A Size
Holds .5 lbs.
Trail Cameras

B Size
Holds 2 lbs.
Phones, Action Cameras, Light Duty Tablets

C Size
Holds 4 lbs.
Fishfinders, Heavy Duty Tablets

D Size
Holds 6 lbs.
Heavy Monitors

E Size
Holds 15 lbs.
Heavy Monitors
The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.
Size | A Size | B Size | C Size | D Size | E Size |
---|---|---|---|---|---|
Short Arm | Overall Length N/A |
Overall Length 3.73" |
Overall Length 5.69" |
Overall Length 5.69" |
Overall Length 5.69" |
Socket-to-Socket Length N/A |
Socket-to-Socket Length 3" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 4.66" |
|
Medium Arm | Overall Length 2.42" |
Overall Length 3.73" |
Overall Length 5.69" |
Overall Length 8.44" |
Overall Length 12.63" |
Socket-to-Socket Length 1.75" |
Socket-to-Socket Length 3" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 6.88" |
Socket-to-Socket Length 9.88" |
|
Long Arm | Overall Length 6" |
Overall Length 6" |
Overall Length 9.13" |
Overall Length 12.98" |
Overall Length N/A |
Socket-to-Socket Length 5.31" |
Socket-to-Socket Length 5.31" |
Socket-to-Socket Length 8" |
Socket-to-Socket Length 11.41" |
Socket-to-Socket Length N/A |
Compatible Devices
Garmin
dezl OTR1000
GPSMAP 276Cx
Tread
zumo 390LM
zumo 396 LMT-S
zumo 400
zumo 450
zumo 500
zumo 550
zumo 590
zumo 595LM
zumo 660
zumo 665
zumo XT
zumo XT2
Magellan
TRX7
TRX7 CS
Road
Tech Zumo 590
Tech Zumo 660
Tech Zumo 665
TomTom
Rider 2
Urban Rider
Trail
Tech Voyager Pro

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured by a multitude of interchangeable components to fit your specific needs.

A Size
Holds .5 lbs.
Trail Cameras

B Size
Holds 2 lbs.
Phones, Action Cameras, Light Duty Tablets

C Size
Holds 4 lbs.
Fishfinders, Heavy Duty Tablets

D Size
Holds 6 lbs.
Heavy Monitors

E Size
Holds 15 lbs.
Heavy Monitors
The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.
Size | A Size | B Size | C Size | D Size | E Size |
---|---|---|---|---|---|
Short Arm | Overall Length N/A |
Overall Length 3.73" |
Overall Length 5.69" |
Overall Length 5.69" |
Overall Length 5.69" |
Socket-to-Socket Length N/A |
Socket-to-Socket Length 3" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 4.66" |
|
Medium Arm | Overall Length 2.42" |
Overall Length 3.73" |
Overall Length 5.69" |
Overall Length 8.44" |
Overall Length 12.63" |
Socket-to-Socket Length 1.75" |
Socket-to-Socket Length 3" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 6.88" |
Socket-to-Socket Length 9.88" |
|
Long Arm | Overall Length 6" |
Overall Length 6" |
Overall Length 9.13" |
Overall Length 12.98" |
Overall Length N/A |
Socket-to-Socket Length 5.31" |
Socket-to-Socket Length 5.31" |
Socket-to-Socket Length 8" |
Socket-to-Socket Length 11.41" |
Socket-to-Socket Length N/A |
Compatible Devices
Garmin
dezl OTR1000
GPSMAP 276Cx
Tread
zumo 390LM
zumo 396 LMT-S
zumo 400
zumo 450
zumo 500
zumo 550
zumo 590
zumo 595LM
zumo 660
zumo 665
zumo XT
zumo XT2
Magellan
TRX7
TRX7 CS
Road
Tech Zumo 590
Tech Zumo 660
Tech Zumo 665
TomTom
Rider 2
Urban Rider
Trail
Tech Voyager Pro

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Overview
The RAM-B-347U base consists of a B size 1" diameter rubber ball connected to a 2" x 1.7" square base. The base has four pre-drilled holes at each corner, using the universal AMPS hole pattern.
Features
- 2" x 1.7" square ball base features industry-standard AMPS hole pattern with four pre-drilled holes at each corner
- Included B size 1" RAM® rubber ball allows for connection to any B size RAM® double socket arm; ball and socket technology allows for near-infinite adjustability
- Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments
- Backed by a lifetime warranty
hole pattern:
4-Hole AMPS: 1.181" x 1.496"
thread pitch:
1/4"-20
plate size:
2" X 1.7"
ball size:
B Size (1")
weight capacity:
Standard Use: 2 lbs
Heavy-Duty Use: 1 lb
materials:
Marine-grade aluminum
packaging type:
Poly Bag
Weight:
0.13 lb